{"id":35487,"date":"2023-07-11T19:08:00","date_gmt":"2023-07-11T19:08:00","guid":{"rendered":"https:\/\/thern.com\/resources-2\/faq\/"},"modified":"2025-08-15T19:57:12","modified_gmt":"2025-08-15T19:57:12","slug":"faq","status":"publish","type":"page","link":"https:\/\/thern.com\/en-GB\/resources\/faq\/","title":{"rendered":"FAQ"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_section full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1692301678289{padding-top: 0px !important;background-image: url(https:\/\/thern.com\/wp-content\/uploads\/2023\/07\/Thern-Inc_Resources-Hero.jpg?id=396) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221;][vc_row full_width=&#8221;stretch_row&#8221; css=&#8221;.vc_custom_1692301687976{padding-top: 50px !important;padding-bottom: 70px !important;background-color: rgba(0,0,0,0.5) !important;*background-color: rgb(0,0,0) !important;}&#8221;][vc_column][vc_custom_heading text=&#8221;FAQs&#8221; font_container=&#8221;tag:h1|text_align:left|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;fadeInLeft&#8221;][\/vc_column][\/vc_row][\/vc_section][vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1689180629506{padding-bottom: 35px !important;background-color: #c71a32 !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_custom_heading text=&#8221;Frequent Questions,<br \/>\nHelpful Answers&#8221; font_container=&#8221;tag:h2|text_align:left|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;fadeInLeft&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text css_animation=&#8221;fadeInRight&#8221;]<\/p>\n<p style=\"text-align: left;\"><span style=\"color: #ffffff;\">Have a question concerning your Thern product? Chances are it has been asked before. Below are helpful answers to many of our most frequently asked questions. If the answer you are looking for is not provided below, please <a style=\"color: #ffffff;\" href=\"https:\/\/thern.com\/en-GB\/contact\/\">contact us<\/a>!   <\/span><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;category-container&#8221;][vc_column css_animation=&#8221;fadeInLeft&#8221; width=&#8221;1\/2&#8243;][vc_btn title=&#8221;Bulk Solids Handling&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;bmh-btn&#8221;][vc_btn title=&#8221;Energy&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;energy-btn&#8221;][vc_btn title=&#8221;Government \/ Defence&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;gd-btn&#8221;][vc_btn title=&#8221;Manufacturing&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;manufacturing-btn&#8221;][vc_btn title=&#8221;Mining&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;mining-btn&#8221;][vc_btn title=&#8221;Oil Rigs&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;or-btn&#8221;][\/vc_column][vc_column css_animation=&#8221;fadeInRight&#8221; width=&#8221;1\/2&#8243;][vc_btn title=&#8221;Parts and Service&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;ps-btn&#8221;][vc_btn title=&#8221;Product Comparisons&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;pc-btn&#8221;][vc_btn title=&#8221;Product Questions&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;pq-btn&#8221;][vc_btn title=&#8221;Technical Questions&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;tq-btn&#8221;][vc_btn title=&#8221;Water \/ Wastewater&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; size=&#8221;lg&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;title:FAQs|&#8221; el_class=&#8221;white-btn&#8221; el_id=&#8221;ww-btn&#8221;][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925435228{padding-bottom: 35px !important;}&#8221; el_id=&#8221;bulk-material-handling&#8221;][vc_column][vc_custom_heading text=&#8221;Bulk Solids Handling&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What\u2019s the best electric winch for a conveyor tensioning application?&#8221; tab_id=&#8221;1695838736264-7014ba41-b235&#8243;][vc_column_text]<span style=\"font-weight: 400;\">If the conveyor tensioning system employs a counterweight design, a slow-speed winch is the best choice. Thern\u2019s  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\"> electric winches feature a simple single-speed control and are an ideal fit for this sort of system. Thern can custom size or custom configure the winch to match the required load and travel distance. <\/span><\/p>\n<p>If the conveyor tensioning system requires constant tension from the winch, Thern\u2019s <a style=\"font-size: inherit;\" href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\">4HBP<\/a><span style=\"font-weight: 400;\"> and <\/span><a style=\"font-size: inherit;\" href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\">4BP<\/a><span style=\"font-weight: 400;\"> electric winches can be customized with high HP motors and fast rope speeds\/reactions to maintain steady conveyor tension\/operation. Constant tension applications typically require motor encoders, blower coolers, and sophisticated VFD controls.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;For tensioning overland conveyor belts, our mine utilizes counterweights ranging from 10,000\u201350,000 lbs. Does Thern offer electric winches suitable for lifting large counterweights during conveyor belt maintenance or replacement? &#8221; tab_id=&#8221;1695838736267-6cd314dd-882c&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are commonly sized up to 50,000 lbs. Our  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP Series<\/span><\/a><span style=\"font-weight: 400;\"> can be custom configured for capacities nearing 100,000 lbs.! Leave the heavy lifting to Thern!<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the best electric winch choice for moving and positioning barges during loading processes?&#8221; tab_id=&#8221;1695838967798-a6a22ea3-ed73&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern barge mover systems employ heavy-duty, industrial-rated <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\"> electric winches with fully enclosed\/lubricated gearing. These winches are customizable according to system and site conditions. Typical systems include controls with automatic tensioning systems, manual rigging modes, and straightforward joystick controls.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;How many electric winches do I need to move and position a barge?&#8221; tab_id=&#8221;1695838980846-ead1898a-d6be&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Typically, two electric winches are utilized with opposing pull directions to move and precisely position barges. Thern\u2019s barge system control interface provides simultaneous operation of both winches, while automatically maintaining appropriate rope tensions.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Where are the barge mover electrical control systems located?&#8221; tab_id=&#8221;1695838991770-04bbec43-6916&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s barge mover electrical control systems are located where the customer prefers. Wireless radio controls are also available as a popular option in addition to the operator console. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the best electric winch choice for moving and positioning railcars?&#8221; tab_id=&#8221;1695839010953-136243b2-4e85&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The Thern <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hs-series\/\"><span style=\"font-weight: 400;\">4HS Series<\/span><\/a><span style=\"font-weight: 400;\"> electric winch is an industry-standard railcar puller when a drum clutch feature is desired for free spooling release of wire rope. Please note that winches with clutches are generally employed only for systems intending one-directional moving of railcars. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Which electric winches are used if two-way railcar movements are anticipated?&#8221; tab_id=&#8221;1695839188515-06a149be-220f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Two-way movements of railcars are typically accomplished by means of a \u201cclosed-loop\u201d rigging system, controlled by a single electric winch. Wherever this is desired, Thern recommends closed loop-type railcar mover systems for several reasons:  <\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">These systems provide a high degree of safety, as the railcar movement is always constrained by the winch. This is of particular importance if any grade exists. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">The pull rope does not need to be manually pulled to reach railcar hook points. The winch is operated to run the rope and hook to the desired location, eliminating rerigging cables and improving operational efficiency.  <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Reversing the load may not be anticipated during use, but when an overshoot occurs, the closed-loop winch system can easily reverse the railcars. <\/span><\/li>\n<li style=\"list-style-type: none;\">\n<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP Series<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are designed for heavy pulling applications and feature fully enclosed\/lubricated gearing. Thern designs and manufactures custom-sized  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> winches to match load and travel requirements for any installation.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;How much travel distance can be provided by a closed-loop railcar puller winch?&#8221; tab_id=&#8221;1695839214183-d9a8098f-98ff&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The travel distance provided by a closed-loop system is determined by the size of the railcar puller winch drum. Thern commonly builds drums providing over 500 ft of active load travel. If the travel requirement becomes excessive, it may be necessary to unhook\/rehook the cars more than once to complete the full travel span. All cars can remain connected through the multi-step movement process.    <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I need to lift tools and motors approximately 150 feet from the ground to a work platform for routine maintenance. My load will not exceed 200\u2013300 lbs. Do you have davit cranes capable of this long of lift?  &#8221; tab_id=&#8221;1695839226388-33bae775-c1d1&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/portable-davit-cranes\/commander-1000\/\"><span style=\"font-weight: 400;\">5PT10<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/portable-davit-cranes\/commander-2000\/\"><span style=\"font-weight: 400;\">5PT20<\/span><\/a><span style=\"font-weight: 400;\"> Commander\u00ae Series davit cranes have a <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-4wp2-atlas-worm-gear-portable-power-winch\/\"><span style=\"font-weight: 400;\">4WP2T<\/span><\/a><span style=\"font-weight: 400;\"> model electric winch option available for these long lifts. This unit has a larger drum to accommodate more cable for lifts of 150 feet and longer. Crane safe working loads (SWLs) over extended lift distances may change slightly depending on the extent of the lift distance, so we encourage you to contact our technical sales team to discuss the specific details of your application so that we can recommend the best davit crane and electric winch combination for your long-lift needs.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I see in your literature that your electric crane winches have 115-volt motors. I only have 3-phase power available near the top of the silo where I would like to utilize a Thern long-lift davit crane for lifting parts. As running a new power source to this location 100 feet off the ground will be extremely difficult, can Thern offer 3-phase motors on crane winches?  &#8221; tab_id=&#8221;1695839239968-06f9b16e-3a08&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Absolutely. Thern can offer motors and electric control systems suitable for all 3-phase power sources. In fact, 3-phase power offers superior performance and speed over single-phase power. We work with globally recognized suppliers who will provide us with a suitable motor to match your available on-site power source, whether 50 HZ or 60 HZ.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I am responsible for operations at a port that handles a significant amount of inbound and outbound freight. Does Thern offer stainless steel winches and davit cranes that will stand up against the harsh salt air? &#8221; tab_id=&#8221;1695839251849-6f443b74-735f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers stainless steel hand winches and also offers cranes in either type 304 or 316. Should you need a motorized electric winch or larger davit crane, Thern offers an epoxy finish that provides excellent protection against the most corrosive environments. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the best electric winch choice for a telescoping load-out chute needing multiple balanced hook points and ropes?&#8221; tab_id=&#8221;1695839262909-368d8d63-ef68&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s industrial-duty <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\"> Series electric winches can be easily customized for multiple drum compartments and wire ropes. The available grooved-drum feature provides uniform pay-in\/payout. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Load-out areas at our facility are very dusty and dirty. Will this impact the gearing of Thern electric winches? &#8221; tab_id=&#8221;1695839278037-b4097fd0-b8fb&#8221;][vc_column_text]<span style=\"font-weight: 400;\">We can offer electric winches with totally enclosed gearing in an oil bath. This greatly reduces the amount of maintenance to the gearbox and protects the gearing from nearby dust and debris. Units with enclosed gearing are available across the entire range of capacities that Thern offers.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can Thern provide load-out chute electric winches\/hoists with dual ropes?&#8221; tab_id=&#8221;1695839291055-db0b9c46-036d&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Yes, many of our <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are designed specifically for load-out chute applications which require dual drum compartments and dual ropes. These winches typically feature grooved drums combined with drum-mounted rotary limit switches, providing highly repeatable load travel distance and constraints. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the best electric winch choice for raising and lowering radial stackers?&#8221; tab_id=&#8221;1695839304235-53f4988a-a90b&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s heavy-duty <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\"> Series electric winches are available with a wide range of safe working loads (SWLs) and speeds. Many models are easily customized to accommodate non-standard drum widths to best suit short fleet distances or other installation factors. Multiple drum compartments are available for stackers requiring multiple wire ropes.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can Thern provide a radial stacker electric winch with dual ropes?&#8221; tab_id=&#8221;1695839323205-c6e9bec0-e9a0&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, many of our <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> Series electric winches are designed specifically for radial stacker applications which require dual drum compartments and dual ropes. Our winches typically feature grooved drums combined with drum-mounted rotary limit switches, providing highly repeatable load travel distances and constraints. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I operate a mine with a radial stacker, and I need a new winch system. I\u2019m concerned about the extreme climate where our mine is located. Will a Thern electric winch continue to perform well in an environment like mine?  &#8221; tab_id=&#8221;1695839335062-57652102-c280&#8243;][vc_column_text]<span style=\"font-weight: 400;\">You didn\u2019t say whether your environment was extremely hot or extremely cold, but either way, the answer is yes! Thern can equip the electric winch gearbox with the appropriate lubrication for your environment to provide trouble-free operations from -40\u00b0F to +130\u00b0F (-40\u00b0C to +54\u00b0C). We can also provide air-conditioned motors and control panels, as well as heated ones. No matter your environment, our technical sales team can find you the perfect match.   <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925768498{padding-bottom: 35px !important;}&#8221; el_id=&#8221;energy&#8221;][vc_column][vc_custom_heading text=&#8221;Energy&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What types of wind turbine cranes and winches are available for wind turbine generators?&#8221; tab_id=&#8221;1695843021981-74e551e7-3640&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern manufactures winches, hoists, and davit cranes. Our standard and customized products are used for wind turbine maintenance. We can customize our products for installation on or inside the nacelle if needed.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What can technicians use to lift equipment inside a wind turbine?&#8221; tab_id=&#8221;1695843021993-348aa3b9-78c1&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Technicians can install Thern winches inside a wind turbine&#8217;s nacelle or its tower to lift equipment from ground level to the power generator.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Where can I find heavy-duty winches for maintaining hydroelectric generator systems?&#8221; tab_id=&#8221;1695843045512-29d30a1d-ff63&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern manufactures standard and custom lifting and pulling equipment suitable for high environmental impact environments, such as hydroelectric power generating systems. Our heavy-duty winches include sealed gear reducers and a corrosion-resistant epoxy finish with zinc-rich primer. <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925778212{padding-bottom: 35px !important;}&#8221; el_id=&#8221;government-defence&#8221;][vc_column][vc_custom_heading text=&#8221;Government \/ Defence&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What winch and crane manufacturers can provide government and defence industry products?&#8221; tab_id=&#8221;1695843414842-66ec046c-3ebe&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern is a winch and crane manufacturer that specializes in lifting and pulling equipment. We have decades of experience designing and manufacturing products that comply with various detailed requirements specific to all branches of the military and those developed by global engineering firms. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Where can I find qualified winches and davit cranes for government or defence use?&#8221; tab_id=&#8221;1695843414852-77f35d06-c903&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern has many winches and davit cranes that qualify for government or defence purchase and use. They already have assigned cage codes. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Where can I find specification-driven winches and davit cranes suitable for military use?&#8221; tab_id=&#8221;1695843439918-efc9ce4a-900f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern employs sales and engineering professionals with years of experience working with military and government specifications. Our in-house engineering team regularly designs custom winches and davit cranes that comply with complex specification requirements. <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925840441{padding-bottom: 35px !important;}&#8221; el_id=&#8221;manufacturing&#8221;][vc_column][vc_custom_heading text=&#8221;Manufacturing&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What permanently-mounted davit crane options should be considered for workstation lifting and positioning?&#8221; tab_id=&#8221;1695843461951-27f90e65-eaff&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers several permanently-mounted davit crane options, such as the <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/stationary-davit-cranes\/captain-2000\/\"><span style=\"font-weight: 400;\">5FT20<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/stationary-davit-cranes\/captain-2500\/\"><span style=\"font-weight: 400;\">5FT25<\/span><\/a><span style=\"font-weight: 400;\">, or <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/stationary-davit-cranes\/captain-4000\/\"><span style=\"font-weight: 400;\">5FT40<\/span><\/a><span style=\"font-weight: 400;\">. Available in hand- or electric-configurations, these heavy-duty models provide substantial lifting capacity.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern\u2019s portable davit crane options suitable for stationary workstations?&#8221; tab_id=&#8221;1695843461967-cb4a2f7d-0bac&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Absolutely. All portable davit cranes have versatility in reach, capacity, height, crane size, and more. The user can leave the crane in the base permanently if desired.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Which electric winches are best for lifting heavy components (5,000 lbs.+) into place for assembly or fabrication indoors?&#8221; tab_id=&#8221;1695843520249-654c778a-8514&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">The Thern <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4ws-series-6-ton\/\"><span style=\"font-weight: 400;\">4WS<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hs-series\/\"><span style=\"font-weight: 400;\">4HS<\/span><\/a><span style=\"font-weight: 400;\"> are both excellent options. Both electric winches are heavy-duty, economical, and have an extensive capacity range. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the best electric winch for lifting heavy components in outdoor manufacturing applications?&#8221; tab_id=&#8221;1695843530712-38def27f-abfb&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The Thern <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hwf-series\/\"><span style=\"font-weight: 400;\">4HWF<\/span><\/a><span style=\"font-weight: 400;\">, or <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\"> Series. These heavy-duty electric winches have a large capacity range and feature gearing protected by an enclosed oil bath for minimal maintenance and durability in outdoor, dusty environments. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I need a portable electric winch that can be moved from work cell to work cell, depending on my needs that day. What winch is best? &#8221; tab_id=&#8221;1695843541828-620920e2-7c64&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers the <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-4wp2-atlas-worm-gear-portable-power-winch\/\"><span style=\"font-weight: 400;\">4WP2<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-477-dura-hoist-helical-worm-gear\/\"><span style=\"font-weight: 400;\">477<\/span><\/a><span style=\"font-weight: 400;\">, or <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-3wg4-atlas-ii-portable-power-winch\/\"><span style=\"font-weight: 400;\">3WG4 Series<\/span><\/a><span style=\"font-weight: 400;\">. These portable electric winches operate on 115 volts and are lightweight\/versatile.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I need a lightweight, light-duty portable electric winch with more line speed than most off-the-shelf options. What is Thern\u2019s best solution? &#8221; tab_id=&#8221;1695843552897-074994d3-2349&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The Thern <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-4wp2d-high-speed-worm-gear-portable-power-winch\/\"><span style=\"font-weight: 400;\">4WP2D8 Series<\/span><\/a><span style=\"font-weight: 400;\">. This portable electric winch comes with many voltage options and is light and versatile. It features line speeds ranging from 26 to 40 fpm. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern hand winches rated for lifting, and is the brake easy to use?&#8221; tab_id=&#8221;1695843564901-83296a3c-bcca&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Yes! And yes! Thern offers spur gear hand winches and worm gear hand winches without brakes for horizontal pulling applications only. However, we offer winches from 1,000 lb. to 10,000 lb. capacities with brakes for vertical lifting and positioning. The brakes are automatic, so when the user removes their hand from the handle, the brake will hold the load in place without further steps. Forget about the frustration of setting the brake on your boat trailer winch. Thern hand winch brakes are automatic, reliable, and fail-safe!        <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925846918{padding-bottom: 35px !important;}&#8221; el_id=&#8221;mining&#8221;][vc_column][vc_custom_heading text=&#8221;Mining&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What\u2019s the best electric winch for an overland mining conveyor tensioning application?&#8221; tab_id=&#8221;1695843604481-e85740c9-252f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">If the conveyor tensioning system employs a counterweight design, a slow-speed electric winch is recommended for maintenance operations. Thern\u2019s large  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP winch<\/span><\/a><span style=\"font-weight: 400;\"> families are an ideal fit combined with a simple single-speed control. Thern can customize the size of the winch to match the required load and travel distance, as well as the available fleet distance.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">If the conveyor tensioning system requires a \u201cconstant tension\u201d type winch, Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> electric winches can be provided with high HP motors and fast rope speeds\/reactions to maintain steady conveyor tension\/operation. Constant tension applications typically require motor encoders, motor coolers, and sophisticated custom VFD controls. Available grooved drums provide repeatable travel distance and accurate position monitoring.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can Thern provide electric winches with dual ropes for balanced attachment and conveyor carriage motion?&#8221; tab_id=&#8221;1695843604493-bf332b6a-b198&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, many of our<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\"> 4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">HBP winches<\/span><\/a><span style=\"font-weight: 400;\"> are designed with dual drum compartments for dual ropes. Such electric winches typically also feature grooved drums to provide highly repeatable and synchronized rope\/load travel distances. Drum-mounted rotary limit switches ensure accurate positioning every time.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is a dragline and how is an electric winch used?&#8221; tab_id=&#8221;1695843634138-7ebc844f-e1d4&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Draglines generally fall into two categories. Most are based on standard lifting cranes that have been modified for the task of pulling or scraping large amounts of material. These \u201ccrawler type\u201d cranes have an electric winch added to the front of the equipment that functions as the dragline. The other type of dragline is so massive and purpose-built that they have to be constructed on-site and will never leave the location where they are constructed. Smaller draglines are typically used to support civil engineering projects, such as road construction and canal dredging, while larger draglines will be dedicated to mining operations.    <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the best electric winch for controlling the motions of a dragline?&#8221; tab_id=&#8221;1695843645665-c85ed0a1-c0ae&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s industrial-duty <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP Series<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are available with a wide range of safe working loads (SWLs) and speeds. They are also easily customized for varied drum capacities to match required process factors. Hydraulic-powered versions are also available.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the best electric winch for furnace door lifting\/opening applications?&#8221; tab_id=&#8221;1695843658742-ececec45-c8d7&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Industrial-duty Thern winches are an ideal match for repeating open\/close furnace door processes. Our electric winches can be custom designed with multiple drum compartments for proper rope alignment to the furnace door size and lifting points. Grooved drum features provide uniform and repeatable pay-in\/payout rope travel distances. Winches are available for a wide range of safe working loads (SWLs) and speeds.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can Thern offer custom electric control systems to operate furnace door lifting\/opening electric winches?&#8221; tab_id=&#8221;1695843670783-52b4c423-acd9&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes! Please contact us for a discussion of your application, and we can work to create a custom electric control system. Features can include position limiting, torque limiting, VFD, speed ramp up\/down, position monitoring, slack line detection, and many other possible features.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the best electric winch for repeat positioning of a large load-out cart?&#8221; tab_id=&#8221;1695843681682-de7db40a-37e1&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s industrial-duty <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP Series<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are available with a wide range of safe working loads (SWLs) and speeds. They are also easily customized for varied drum capacities and\/or to match other required process factors. When desirable, an optional clutch feature will allow the free spool of rope.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the best electric winch option for positioning a small load-out cart?&#8221; tab_id=&#8221;1695843713583-630f7c35-abb6&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-4wp2d-high-speed-worm-gear-portable-power-winch\/\"><span style=\"font-weight: 400;\">4WP2<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-3wg4-atlas-ii-portable-power-winch\/\"><span style=\"font-weight: 400;\">3WG4 winch<\/span><\/a><span style=\"font-weight: 400;\"> options are available for positioning smaller carts requiring lower line pulls. Gearing is enclosed in a permanent oil bath so that it remains protected from railyard or mining dust\/debris. Call Thern to discuss your cart\u2019s size and application requirements to determine which electric winch option is sized best for your exact needs.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Which electric winches are used if two-way cart movements are desired?&#8221; tab_id=&#8221;1695843729547-d6b642bd-f95c&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Two-way movements of rail carts are typically accomplished by means of a \u201cclosed-loop\u201d rigging system, controlled by a single electric winch. Thern recommends closed-loop type systems for several reasons: 1) These systems provide a high degree of safety, as the load movement is always constrained by the electric winch. This is of particular importance if any grade exists. 2) The pull rope does not need to be manually pulled out to reach hook points. The electric winch is operated to run the rope and\/or hook to the desired location, improving efficiency and ergonomics. 3) The need for reversing the load may not be initially anticipated, but when an over-shoot occurs, the closed-loop winch system can easily reverse the cart for optimum positioning!      <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What are some applications of a floating dredge and how are electric winches used?&#8221; tab_id=&#8221;1695843741988-2ce62175-60d8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Floating dredges vary greatly in size and purpose. The largest systems are typically utilized for underwater mining, while small and mid-size floating dredges can be used for a variety of purposes from environmental restoration of beaches and marshes to removal of contaminated soils and maintenance of water treatment ponds. Electric winches provide multi-axis positioning of the dredge within the project, holding the dredge in position during operations, then allowing remote or manned repositioning of the dredge to continue work within the site.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the best electric winch for positioning floating dredge systems?&#8221; tab_id=&#8221;1695843753501-aacd5ced-9c98&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s industrial-duty <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">\/<\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP Series<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are available with a wide range of safe working loads (SWLs) and speeds. They are also easily customized for varied drum capacities to match required process factors. These winches pair well with single- or variable-speed electrical control systems to provide optimal control of the floating dredge system.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can Thern offer custom electrical control systems to operate multi-winch positioning systems?&#8221; tab_id=&#8221;1695843764315-81a16cf5-7002&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes! Please contact us for a discussion of your application, and we can work to offer an electrical control system to position your floating dredge in accordance with your project needs. <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925853821{padding-bottom: 35px !important;}&#8221; el_id=&#8221;oil-rigs&#8221;][vc_column][vc_custom_heading text=&#8221;Oil Rigs&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;Which pneumatic winches are ideal for handling pipe and lifting other equipment from the deck of a drilling rig?&#8221; tab_id=&#8221;1695843818074-38524a30-f3cd&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers multiple sizes and styles of pneumatic winches designed specifically for handling drill pipe and lifting other equipment from the deck of a drilling rig. Our  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/big-red-legacy-series\/\"><span style=\"font-weight: 400;\">TA Big Red Series<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/mini-ta-series\/\"><span style=\"font-weight: 400;\">MTA Series<\/span><\/a><span style=\"font-weight: 400;\"> of more compact mini tuggers range in size from 2.5-ton to 10-ton lifting capacity. These are available with local or remote operator control to fit unique layouts of rig platforms. Brake systems include choices of a manual or automatic band style or automatic disc type. Roller pressure bars, rotary travel limit switches, and a manual drum lock are also available if needed.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Which pneumatic winches and electric winches are available to install or replace flare tips or booms?&#8221; tab_id=&#8221;1695843818091-efaa94f5-da60&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Thern offers a variety of pneumatic winch and electric winch models for flare stack and tip applications. Thern\u2019s pneumatic  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/mini-ta-series\/\"><span style=\"font-weight: 400;\">MTA<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/c-series\/\"><span style=\"font-weight: 400;\">TA<\/span><\/a><span style=\"font-weight: 400;\"> winches range from 1-ton to more than 10-ton capacity, with available line speeds of 10 FPM to over 100 FPM. Thern\u2019s  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP<\/span><\/a><span style=\"font-weight: 400;\"> electric winches are available with similar ratings and can be fitted with hazardous environment-rated motors and controls! All the above models feature totally enclosed, oil-bath gear reducers. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What industrial lifting equipment is available to easily maneuver drill pipe into place from a racking\/monkey board?&#8221; tab_id=&#8221;1695843840143-79198a26-0829&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-477-dura-hoist-helical-worm-gear\/\"><span style=\"font-weight: 400;\">477 Series<\/span><\/a><span style=\"font-weight: 400;\"> is a compact, versatile winch that serves well in racking\/monkey board applications, as they are tailor-made for quickly pulling and positioning pipe segments to keep your drilling operation running efficiently.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can Thern racking board electric winches be powered electrically, pneumatically, or hydraulically?&#8221; tab_id=&#8221;1695843855419-21628e71-9d73&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, yes, and yes! The  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-477-dura-hoist-helical-worm-gear\/\"><span style=\"font-weight: 400;\">477 Series<\/span><\/a><span style=\"font-weight: 400;\"> electric winch can be outfitted with a suitable motor for your available local power source.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;I need a racking board electric winch in a section of the rig that is considered a hazardous environment. Can Thern offer a suitable motor and control package for hazardous environments? &#8221; tab_id=&#8221;1695843866326-c8e28ee0-a636&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern can offer hazard-class electrical motors for the <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-477-dura-hoist-helical-worm-gear\/\"><span style=\"font-weight: 400;\">477 Series<\/span><\/a><span style=\"font-weight: 400;\"> and all our other electric winches when needed. Please know the classification that applies to your environment, and Thern will be happy to quote an electric winch and control package that meets your requirements. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;We need a compact air winch for moving light loads across the rig deck. What does Thern offer? &#8221; tab_id=&#8221;1695843877257-3fb9dd2f-07a7&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/mini-ta-series\/\"><span style=\"font-weight: 400;\">MTA Mini Air Tugger Series<\/span><\/a><span style=\"font-weight: 400;\"> is a perfect option to consider. With a maximum capacity of 2,700 lbs. and line speeds of approximately 40 feet\/minute and greater, this compact air winch will fit in tight spaces on a rig deck and can be used for lifting or pulling smaller loads.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of pressure and flow is required with Thern\u2019s MTA air winches?&#8221; tab_id=&#8221;1695843894478-8314e7a5-6c83&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/mini-ta-series\/\"><span style=\"font-weight: 400;\">MTA1000<\/span><\/a><span style=\"font-weight: 400;\"> air winches operate on a minimum of 90 PSI and 60 CFM, while the <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/mini-ta-series\/\"><span style=\"font-weight: 400;\">MTA2000<\/span><\/a><span style=\"font-weight: 400;\"> air winches\u2019 performance is based on a minimum of 90 PSI and 140 CFM.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Continuous sea spray and extreme environments are a constant battle on oil rigs. We have a need for hand winches for lifting filters, components, and tools into place. Which Thern hand winches do you recommend?  &#8221; tab_id=&#8221;1695843905399-86aa1e19-8808&#8243; el_class=&#8221;Section&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Thern\u2019s <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/worm-gear-series-4600-lb\/\"><span style=\"font-weight: 400;\">worm gear hand winches<\/span><\/a><span style=\"font-weight: 400;\"> have gearing that is totally enclosed in an oil bath, which is perfect for use throughout an oil rig. Enclosed gearing results in far less maintenance compared to spur gear units and better protection of the gears against harsh elements. We offer   <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/worm-gear-series-4600-lb\/\"><span style=\"font-weight: 400;\">worm gear hand winches<\/span><\/a><span style=\"font-weight: 400;\"> with capacities of up to 4,600 lbs. to serve a number of oil rig applications. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;We have a number of long lifts when performing maintenance across the rig. Electric winches and manual winches are not ideal for these locations, but does Thern offer smaller pneumatic winches to use on your davit cranes? &#8221; tab_id=&#8221;1695843921103-79824cd8-4865&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, Thern can offer <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-4wp2d-high-speed-worm-gear-portable-power-winch\/\"><span style=\"font-weight: 400;\">4WP<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-477-dura-hoist-helical-worm-gear\/\"><span style=\"font-weight: 400;\">477<\/span><\/a><span style=\"font-weight: 400;\">, and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-3wg4-atlas-ii-portable-power-winch\/\"><span style=\"font-weight: 400;\">3WG4 models<\/span><\/a><span style=\"font-weight: 400;\"> with pneumatic motors to mount on davit cranes. We will want to know more about the available pressure and flow in these locations, but we will be happy to offer a pneumatic winch sized for the davit crane of choice for your application. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Oil rig workers experience high wind conditions most days. Does Thern offer any way to lock portable davit cranes in position when not in use to protect nearby workers? &#8221; tab_id=&#8221;1695843932366-fa44a4a9-d5b8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Absolutely. Thern offers rotational bearings with our  <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/portable-davit-cranes\/\"><span style=\"font-weight: 400;\">portable davit cranes<\/span><\/a><span style=\"font-weight: 400;\"> that serve two primary purposes: 1) They aid in crane rotation during use to make workers\u2019 duties easier and safer. 2) The bearings have a series of positional locks every 30 degrees, so the crane can be locked in position at any time\u2014whether in use or not. Given the extreme conditions on an oil rig, this is a great accessory to pair with Thern    <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/portable-davit-cranes\/\"><span style=\"font-weight: 400;\">portable davit cranes<\/span><\/a><span style=\"font-weight: 400;\"> for added safety.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;On a platform high above the rig floor, we need a number of permanently installed davit crane bases from which we can use a Thern davit crane to lift tools and parts during maintenance activities. For safety purposes, can we purchase these in a custom color, so they \u201cstick out\u201d on the platform and are more noticeable to workers? &#8221; tab_id=&#8221;1695843943371-5248207f-6203&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern can provide custom colours on davit crane bases or nearly any piece of equipment you need from us. Whether it is safety yellow or a different colour that complies with the safety standards onboard your rig, we are happy to provide marine-grade epoxy finishes to match any colour on the RAL colour scale. <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925987023{padding-bottom: 35px !important;}&#8221; el_id=&#8221;parts-service&#8221;][vc_column][vc_custom_heading text=&#8221;Parts and Service&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;Where can I obtain parts for my Thern winch or davit crane?&#8221; tab_id=&#8221;1695844008004-2762735e-5115&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Service parts can be obtained directly from the Thern factory by contacting Thern Customer Service at 800-843-7648.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Where can I obtain service for my Thern winch or davit crane?&#8221; tab_id=&#8221;1695844008028-de1efe66-6876&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Please contact the Thern Customer Service Department at 800-843-7648 with all repair and service inquiries. Our Customer Service Representatives will determine the best course of action to be taken to repair your winch or crane. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the warranty policy on my Thern winch or davit crane?&#8221; tab_id=&#8221;1695844028421-8ab89015-1068&#8243;][vc_column_text]<span style=\"font-weight: 400;\">All Thern products carry a two-year limited warranty. Thern, Inc. warrants its products against defects in material or workmanship for two years from the original date of purchase. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the reducer (gearbox) of my Thern Series 4WP2 power winch? And what is the capacity? &#8221; tab_id=&#8221;1695844039193-92062d4d-82e7&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The reducer on the 4WP2 Series holds 44 oz. of Mobilgear 630 or Mobilgear 600 XP 220 gear oil. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the reducer (gearbox) of my Thern Series 477 power winch? And what is the capacity? &#8221; tab_id=&#8221;1695844049462-6dd09aeb-dd06&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The reducer on the 477 Series holds 92 oz. of Mobilgear 630 or Mobilgear 600 XP 220 gear oil. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the reducer (gearbox) on my Thern 4WS1M, 3M, or 6M Series power winch? What is the capacity? &#8221; tab_id=&#8221;1695844059573-ff0c4c82-4694&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/Winsmith_Lubrication_ILDE-00.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> to view the reducer lubrication information.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the reducer (gearbox) on my Thern 4WS9M, 16M or 26M Series power winch? What is the capacity? &#8221; tab_id=&#8221;1695844071137-6724e28b-298f&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/SEW_Lubrication_01-805-52US.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> to view the reducer lubrication information.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the reducer (gearbox) on my Thern 4HS, 4HWF, or 4HPF Series power winch? What is the capacity? &#8221; tab_id=&#8221;1695844081529-6c7cff5c-b67a&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/SEW_Lubrication_01-805-52US.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> to view the reducer lubrication information.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;How do I drain and refill the oil in the reducer (gearbox) on my Thern TA Series air winch?&#8221; tab_id=&#8221;1695844098933-c650f0d2-0d03&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/TA_Lubrication_Flier.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> for complete instructions.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;How do I drain and refill the oil in the air motor on my Thern TA Series air winch?&#8221; tab_id=&#8221;1695844107655-1d805675-b748&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/TA_Lubrication_Flier.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> for complete instructions.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the reducer (gearbox) on my Thern TA Series air winch? What is the capacity? &#8221; tab_id=&#8221;1695844117149-4bd05f2d-5781&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/TA_Lubrication_Chart.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> to view the reducer lubrication table.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What type of lubricant is used in the air motor on my Thern TA Series air winch? What is the capacity? &#8221; tab_id=&#8221;1695844127530-d8657ceb-4e5e&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/TA_Lubrication_Chart.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> to view the motor lubrication table.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is causing my Thern Series 477 power winch to make a grinding noise? The noise seems to be coming from the reducer (gearbox). &#8221; tab_id=&#8221;1695844184261-6adc4ec5-88c8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Nearly all failures reported with this symptom have failed due to the wire rope being overwound rather than underwound. Overwinding the wire rope forces the worm shaft in the reducer up into the bottom of the motor adapter plate, and over time the large helical gear on top of the worm gear wears into the adapter plate. This misalignment will cause premature failure of the upper bearing and other related components.  <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695925995490{padding-bottom: 35px !important;}&#8221; el_id=&#8221;product-comparisons&#8221;][vc_column][vc_custom_heading text=&#8221;Product Comparisons&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What\u2019s the difference between a stainless-steel davit vs. an aluminium davit crane?&#8221; tab_id=&#8221;1695844314303-83ae2ee4-5e66&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An aluminium davit crane, while lightweight and corrosion resistant in some environments, sacrifices a significant amount of lifting capacity due to the physical properties of aluminium. A stainless-steel davit crane, while somewhat heavier, provides the ultimate solution in corrosion resistance and lifting capacity. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the difference between electric lifting equipment vs. manual lifting equipment?&#8221; tab_id=&#8221;1695844314322-0570faff-5eec&#8221;][vc_column_text]<span style=\"font-weight: 400;\">With manual lifting equipment (such as a hand winch) the work is being done by the operator that is turning the handle of the winch. With electric lifting equipment, the electric motor does the work to turn the drum and spool the lifting rope. Thern offers a variety of both electric and manual lifting equipment.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What the difference between an air tugger winch and an electric tugger winch?&#8221; tab_id=&#8221;1695844345162-d5a8da90-b166&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An air tugger winch is powered pneumatically and designed for maritime use. An electric tugger winch is powered by electricity. If the load is higher or needs to move at faster speeds, then an electric winch may be better suited for the job.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the difference between a portable davit crane and a stationary davit crane?&#8221; tab_id=&#8221;1695844356380-299e6dc4-010f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">A portable davit crane is designed so that it can be easily disassembled and moved to a different location and reassembled for lifting operations. Generally, stationary davit cranes offer the benefit of longer reach over a portable davit crane of comparable capacity. Thern offers a variety of both portable and stationary davit cranes with different lifting capacities.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the difference between an electric davit hoist and a hydraulic hoist?&#8221; tab_id=&#8221;1695844367184-186aef5f-17e7&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An electric davit hoist requires an electrical input and uses an electric motor to turn the drum spooling the wire rope. A hydraulic hoist requires pressurized hydraulic fluid (typically from a hydraulic power unit) as input for a hydraulic motor, which turns the winch drum to spool the wire rope. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What\u2019s the difference between an electric hoist and an electric winch?&#8221; tab_id=&#8221;1695844378238-4b71e0b8-729c&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The difference between an electric hoist and an electric winch is that a hoist refers to a pulling device that lifts vertically with a wire rope or chain. Many people think of a winch as a device that pulls horizontally, when in fact, Thern winches can be placed in virtually any orientation (floor mounted, wall mounted, or underhung) and can pull both horizontally and vertically when properly equipped. Electric hoists will require an automatic brake for vertical lifting applications, while winches for horizontal pulls would not necessarily require a brake. Please reach out to our sales staff to discuss your project and the best solution to fit your needs.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What are the advantages of a motorized davit crane vs. a motorized jib crane?&#8221; tab_id=&#8221;1695844391115-48907d3a-eadb&#8221;][vc_column_text]<span style=\"font-weight: 400;\">If the weight, height, and reach requirements fit within a Thern davit crane capacity, a davit crane will be easier to install, operate, maintain, and is generally more affordable. Additionally, many of Thern\u2019s davit cranes are more portable than a motorized jib crane. If you buy numerous bases, you can move the cranes to different locations to solve multiple lifting applications with just one crane.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">https:\/\/thern.com\/blog\/davit-crane-vs-jib-crane-a-breakdown\/<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What are the advantages of a davit crane vs. a gantry crane?&#8221; tab_id=&#8221;1695844407002-8fb484d0-cb08&#8243;][vc_column_text]<span style=\"font-weight: 400;\">A gantry crane and davit crane often serve very different functions, but there are times that a davit can serve the same function when equipped with a rolling base.<\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695926003191{padding-bottom: 35px !important;}&#8221; el_id=&#8221;product-questions&#8221;][vc_column][vc_custom_heading text=&#8221;Product Questions&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What are air winch safety best practices?&#8221; tab_id=&#8221;1695844533743-84377ad9-32a4&#8243;][vc_column_text]<span style=\"font-weight: 400;\">In addition to all winch safety, which includes air winch safety, best practices are to:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Read the owner\u2019s manual<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Make sure the winch is securely mounted<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Make sure supply lines are in good shape and are secure<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Make sure the FRL is installed and in good shape<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Install mufflers to reduce sound level. Mufflers with a filter element can be installed to reduce oil misting for the motor lubrication. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Install a shutoff valve<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Use controls with an estop if the shut off valve is not within reach of the operator<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Install a drum guard<\/span><\/li>\n<li style=\"list-style-type: none;\">\n<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does Thern offer a rooftop davit carne and\/or a rooftop crane hoist?&#8221; tab_id=&#8221;1695844533767-877ef91f-79af&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern has several <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/\"><span style=\"font-weight: 400;\">davit crane models<\/span><\/a><span style=\"font-weight: 400;\"> that are appropriate for rooftop applications. Whether you are looking for a rooftop davit crane or a rooftop crane hoist, Thern can offer you long-lift solutions for servicing HVAC equipment or other applications. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What 20,000 lb winches and 40,000 lb winches does Thern offer?&#8221; tab_id=&#8221;1695844646151-88e837aa-ab65&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers 20,000 lb winches and 40,000 lb winches. Depending on the speed required and allowable footprint, Thern offers several styles of winches, including  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hs-series\/\"><span style=\"font-weight: 400;\">4HS<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hbp-series\/\"><span style=\"font-weight: 400;\">4HBP,<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4bp-series\/\"><span style=\"font-weight: 400;\">4BP<\/span><\/a><span style=\"font-weight: 400;\">. These winches are offered in a range of voltages and can be powered hydraulically.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does Thern sell a 5,000 lb electric hoist?&#8221; tab_id=&#8221;1695844655652-8ced09e5-e030&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Thern offers winches and hoists with capacities up to 100,000 pounds. Our 5,000 lb electric hoists can come in manual spur gear designs, as well as pneumatic and hydraulic. Check out our   <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/worm-gear-series-4600-lb\/\"><span style=\"font-weight: 400;\">M452B<\/span><\/a><span style=\"font-weight: 400;\">,  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/spur-gear-series-10000-lb\/\"><span style=\"font-weight: 400;\">M492B<\/span><\/a><span style=\"font-weight: 400;\">, as well as our <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hs-series\/\"><span style=\"font-weight: 400;\">4HS<\/span><\/a><span style=\"font-weight: 400;\">,  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hwf-series\/\"><span style=\"font-weight: 400;\">4HWF<\/span><\/a><span style=\"font-weight: 400;\">,  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4hpf-series\/\"><span style=\"font-weight: 400;\">4HPF<\/span><\/a><span style=\"font-weight: 400;\">, and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/electric-winches\/4ws-series\/\"><span style=\"font-weight: 400;\">4WS<\/span><\/a><span style=\"font-weight: 400;\"> models.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does Thern offer a stainless-steel hand winch with a brake?&#8221; tab_id=&#8221;1695844665733-f80a7b0b-c77c&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Thern offers more than one type of a stainless-steel hand winch with a brake. The  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/spur-gear-series-2000-lb\/\"><span style=\"font-weight: 400;\">M4042PBSS<\/span><\/a><span style=\"font-weight: 400;\"> model with a capacity of 1,000 pounds and the <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/spur-gear-series-2000-lb\/\"><span style=\"font-weight: 400;\">M4312PBSS<\/span><\/a><span style=\"font-weight: 400;\"> model with a capacity of 2,000 pounds. Both have a frame and drum that are constructed with stainless steel and come standard with an automatic Weston-style brake. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are there any Thern air winches or air-powered winches for sale?&#8221; tab_id=&#8221;1695844676749-ddf05b7f-8ebe&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Thern offers a variety of <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/\"><span style=\"font-weight: 400;\">air winches<\/span><\/a><span style=\"font-weight: 400;\"> or air-powered winches with capacities up to 37,000 pounds. These air winches can be referred to as pneumatic winches or air tuggers. Check out our   <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/big-red-legacy-series\/\"><span style=\"font-weight: 400;\">Big Red<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/mini-ta-series\/\"><span style=\"font-weight: 400;\">Mini TA Series<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/portable-electric-winches\/series-477-dura-hoist-helical-worm-gear\/\"><span style=\"font-weight: 400;\">4771 Series<\/span><\/a><span style=\"font-weight: 400;\">, as well as our <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/air-winches\/c-series\/\"><span style=\"font-weight: 400;\">C Series<\/span><\/a><span style=\"font-weight: 400;\">. If you\u2019re unable to find what you are looking for, we can design a custom air-powered winch specialized to fit your application.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What compact hand winches and\/or vertical lift hand winches does Thern sell?&#8221; tab_id=&#8221;1695844689691-74047fd3-d904&#8243;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Thern manufactures a variety of <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/spur-gear-series-2000-lb\/\"><span style=\"font-weight: 400;\">compact hand winches<\/span><\/a><span style=\"font-weight: 400;\"> and vertical-lift hand winches suitable for both vertical lifting and horizontal pulling applications. These include both  <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/spur-gear-series-2000-lb\/\"><span style=\"font-weight: 400;\">spur gear<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/thern.com\/en-GB\/winches\/hand-winches\/worm-gear-series-4600-lb\/\"><span style=\"font-weight: 400;\">worm gear models<\/span><\/a><span style=\"font-weight: 400;\"> that accommodate a variety of distance and load requirements. Thern also offers a hand winch that can be drill driven. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What lifting equipment parts does Thern sell?&#8221; tab_id=&#8221;1695844701550-67f39924-593b&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers a variety of lifting equipment parts such as wire ropes, hooks, sheaves, headache balls, vertical lead blocks, and other lifting equipment.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does Thern offer material handling lifting equipment or similar products such as a conveyor belt pulling winch or a railcar moving winch?&#8221; tab_id=&#8221;1695844715444-fd57388f-e4f7&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers multiple solutions from material handling lifting equipment to a conveyor belt pulling winch. We even provide a railcar moving winch. We can design a solution specific to your application. The engineering team at Thern can customize virtually any winch in our lineup to accommodate specific speed and control requirements. We can also accommodate site-specific variables such as grade, curvature, and distance. See our online      <\/span><a href=\"https:\/\/thern.com\/en-GB\/portfolio\/\"><span style=\"font-weight: 400;\">portfolio<\/span><\/a><span style=\"font-weight: 400;\"> for some of the most challenging and unique applications we\u2019ve solved for our customers.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is a mine winch?&#8221; tab_id=&#8221;1695844730131-38503b51-ebf6&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern provides winches for a variety of mining applications. Mine winches can take on several tasks from MRO to cart pulling to conveyor take-up and tensioning. Some of our customers utilize our products for drag lines and dredging, while others will use them for shaft sinking and plumb bobs.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does Thern manufacture any explosion-proof hoists?&#8221; tab_id=&#8221;1695844741121-6083d12e-521f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers a variety of lifting solutions that meet ATEX requirements for explosive atmospheres. Just tell us the hazard class\/environment the hoist, winch, and controls will be exposed to, and we can design an explosion-proof hoist or system to accommodate it. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are wall-mounted electric winches available at Thern?&#8221; tab_id=&#8221;1695844752867-d131ada2-47b3&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Thern offers much more than just wall-mounted electric winches. Many of Thern\u2019s portable and fixed-mount winches are suitable for mounting in different orientations, including floor, wall, and ceiling. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does Thern offer a small vehicle-mounted crane or a crane attachment for a lorry?&#8221; tab_id=&#8221;1695844764116-3bc5853a-2812&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Several of Thern\u2019s standard crane models can be used as a small vehicle-mounted crane. Additionally,  <\/span><a href=\"https:\/\/thern.com\/blog\/hitch-mounted-davit-crane-base\/\"><span style=\"font-weight: 400;\">Thern\u2019s Workmate<\/span><\/a><span style=\"font-weight: 400;\">, a hitch-mount davit crane base, was specially designed to be compatible with a standard 2\u201d receiver hitch. The Workmate allows customers to have a crane attachment for a lorry, and it can be situated on the ground behind or to the side of the associated vehicle. <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695926011506{padding-bottom: 35px !important;}&#8221; el_id=&#8221;technical-questions&#8221;][vc_column][vc_custom_heading text=&#8221;Technical Questions&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;How do you calculate the fleet angle of wire rope?&#8221; tab_id=&#8221;1695844958025-8c88a133-63f3&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Fleet angle is the angle between the wire rope and an imaginary line extending perpendicular to the drum. The fleet angle varies with the distance between the lead sheave and the drum. Using the correct fleet angle of wire rope will ensure your winch is operating at its full capacity and not causing undue wear.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;How does the friction disc brake on my Thern hand winch operate?&#8221; tab_id=&#8221;1695844958054-b2a15b0b-f10c&#8221;][vc_column_text css=&#8221;&#8221;]<span style=\"font-weight: 400;\">Click <\/span><a href=\"https:\/\/thern.com\/wp-content\/uploads\/2023\/09\/Weston_Brake_Operation1.pdf\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> for a complete explanation.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can I convert a ratchet\/pawl style Thern spur gear hand winch to include a disc brake assembly?&#8221; tab_id=&#8221;1695844980684-226b0c87-f062&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Due to the substantial amount of difference between the components used in these two styles of spur gear hand winches, it is not cost effective to do this type of conversion.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can I convert my Thern TA Series air winch from manual band brake operation to automatic band brake operation?&#8221; tab_id=&#8221;1695844993517-48e36bf6-971e&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Please consult with Thern, Inc. for approval before attempting this conversion. Any conversion attempted without Thern\u2019s approval will alter the finished product from its original design and could void the warranty. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What is the importance of underwinding compared to overwinding the wire rope on my winch?&#8221; tab_id=&#8221;1695845004436-b2107439-48dc&#8221;][vc_column_text]<a href=\"https:\/\/www.youtube.com\/watch?v=zpItDk6vnvg\"><span style=\"font-weight: 400;\">See Answer<\/span><\/a>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row css_animation=&#8221;fadeInUp&#8221; css=&#8221;.vc_custom_1695926018820{padding-bottom: 35px !important;}&#8221; el_id=&#8221;water-wastewater&#8221;][vc_column][vc_custom_heading text=&#8221;Water \/ Wastewater&#8221; font_container=&#8221;tag:h3|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_custom_heading text=&#8221;Aerator \/ Dredge-Positioning Winches&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What information do you need to determine the proper electric winch for my application?&#8221; tab_id=&#8221;1695845078067-2a07118a-2efb&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Please answer these questions, so we can help you determine the right electric winch for your business: How many aerators are on the winching line, and what direction are they thrusting? What is the thrust force of the aerator? <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What electric winch voltage options are available?&#8221; tab_id=&#8221;1695845078103-cbfaafaf-f798&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Any voltage is available (115v, 230v, 460v, etc.) for electric winches, including single phase or three phase, and 50 or 60 hertz.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a brake always required on an electric winch?&#8221; tab_id=&#8221;1695845099452-989878b6-9dba&#8221;][vc_column_text]<span style=\"font-weight: 400;\">An electric winch brake is only required in a lifting application which includes pulling up an incline. An electric winch brake is not required in a horizontal pulling application\/flat surface. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winches be provided with explosion-proof motors?&#8221; tab_id=&#8221;1695845109300-26323dfe-f4b8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, we will need to know the required voltage\/hertz along with the Class, Group, and Division of the environment, so we can source the appropriate motor for your electric winch.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern davit cranes and winches for lifting people?&#8221; tab_id=&#8221;1695845119428-24c6b7df-aa46&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The answer is, \u201cIt depends.\u201d Most Thern products are not rated for lifting people or things over people, and our standard davit cranes and winches are designed for lifting material only. That said, we offer a line of rescue-rated davit cranes that can be incorporated into your safety plan. Not to be confused with personnel-rated systems, the Thern rescue-rated davit cranes can be used to safely and quickly recover injured or disabled personnel.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winch move the aerator\/dredge in only one direction?&#8221; tab_id=&#8221;1695845130935-61a1288f-887f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">When properly equipped, the power electric winch can move the aerator\/dredge in one or both directions.<\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][vc_custom_heading text=&#8221;Bar Screen Winches&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;Can an electric winch move the bar screen in only one direction?&#8221; tab_id=&#8221;1695845150468-0fbc6e93-ef14&#8243;][vc_column_text]<span style=\"font-weight: 400;\">When properly equipped, an electric winch can move the bar screen in one or both directions.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What electric winch voltage options are available?&#8221; tab_id=&#8221;1695845151729-6b1fc39a-8f2c&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Any voltage is available (115v, 230v, 460v, etc.) for electric winches, including single phase or three phase, and 50 or 60 hertz. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a brake always required on an electric winch?&#8221; tab_id=&#8221;1695845150501-2a3579e5-6951&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An electric winch brake is only required in a lifting application which includes pulling up an incline. An electric winch brake is not required in a horizontal pulling application\/flat surface. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winches be provided with explosion-proof motors?&#8221; tab_id=&#8221;1695845245423-b3e03021-5237&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, we will need to know the required voltage\/hertz along with the Class, Group, and Division of the environment, so we can source the appropriate motor for your electric winch.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern davit cranes and winches for lifting people?&#8221; tab_id=&#8221;1695845255855-82fc4a15-4eb5&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The answer is, \u201cIt depends.\u201d Most Thern products are not rated for lifting people or things over people, and our standard davit cranes and winches are designed for lifting material only. That said, we offer a line of rescue-rated davit cranes that can be incorporated into your safety plan. Not to be confused with personnel-rated systems, the Thern rescue-rated davit cranes can be used to safely and quickly recover injured or disabled personnel.   <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][vc_custom_heading text=&#8221;Dumpster Cart-Pulling Winches&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;Is the weight of the dumpster cart calculated when it is empty or full?&#8221; tab_id=&#8221;1695910626550-f0eba8f1-2e0e&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The maximum weight of the dumpster cart when it is completely full ensures that the electric winch is sized correctly.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can an electric winch move the dumpster cart in only one direction?&#8221; tab_id=&#8221;1695910626580-9fdaf99e-9be5&#8243;][vc_column_text]<span style=\"font-weight: 400;\">When properly equipped, the power electric winch can move the dumpster cart in one or both directions.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;What electric winch voltage options are available?&#8221; tab_id=&#8221;1695910650506-993dcd2e-38a0&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Any voltage is available (115v, 230v, 460v, etc.) for electric winches, including single phase or three phase, and 50 or 60 hertz.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a brake always required on an electric winch?&#8221; tab_id=&#8221;1695910663932-414227f7-1ae7&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An electric winch brake is only required in a lifting application which includes pulling up an incline. An electric winch brake is not required in a horizontal pulling application\/flat surface. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winches be provided with explosion-proof motors?&#8221; tab_id=&#8221;1695910677052-24e0aeda-d4ce&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Yes, we will need to know the required voltage\/hertz along with the Class, Group, and Division of the environment, so we can source the appropriate motor for your electric winch.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern davit cranes and winches for lifting people?&#8221; tab_id=&#8221;1695910688836-39ac4e0a-4cdc&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The answer is, \u201cIt depends.\u201d Most Thern products are not rated for lifting people or things over people, and our standard davit cranes and winches are designed for lifting material only. That said, we offer a line of rescue-rated davit cranes that can be incorporated into your safety plan. Not to be confused with personnel-rated systems, the Thern rescue-rated davit cranes can be used to safely and quickly recover injured or disabled personnel.   <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][vc_custom_heading text=&#8221;Pump Hoists and Mixer Lifts&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What information do you need to determine the proper davit crane for my application?&#8221; tab_id=&#8221;1695910734571-cdebb7dd-9576&#8243;][vc_column_text]<span style=\"font-weight: 400;\">To determine the best davit crane for your site, we\u2019ll need to know the maximum load, horizontal reach, and hook height required to lift the load.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Do you recommend a manual winch or electric winch on the davit crane system?&#8221; tab_id=&#8221;1695910734600-ca118ba5-36be&#8221;][vc_column_text]<span style=\"font-weight: 400;\">It is up to the customer to make the ultimate decision. Thern suggests an electric winch if the davit crane system is being used on a regular basis. However, if the davit crane system is only being used once a year for annual maintenance, it may be more cost-effective to purchase a manual winch.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Why is an epoxy finish beneficial on either larger davit cranes or electric winches?&#8221; tab_id=&#8221;1695910760773-9f122998-3486&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An epoxy finish is recommended for davit cranes and electric winches over a standard enamel finish as it provides superior corrosion resistance in the harsh atmospheres common in water\/wastewater applications.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can I adjust the screw-jack on the davit crane system under load?&#8221; tab_id=&#8221;1695910772221-444d0a65-1734&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The effort required to adjust the screw-jack while under load for davit crane systems can be greater than what is ergonomically appropriate. For this reason, Thern does not recommend making boom angle adjustments under load. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a spur gear manual winch able to be drill driven?&#8221; tab_id=&#8221;1695910786517-f98cd02b-132d&#8221;][vc_column_text]<span style=\"font-weight: 400;\">No. Drill driving a spur gear hand winch is not recommended due to the heat and wear generated during operation, which can shorten the life of the winch. Thern offers two worm gear manual winch options that can be drill driven. These worm gear winches are housed in an oil bath gear case, which dissipates the heat generated by drill-drive operation.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does the 5PT30 Series davit crane come standard with a screw-jack?&#8221; tab_id=&#8221;1695910799124-877a9ae2-d4ca&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/stationary-davit-cranes\/admiral-3000\/\"><span style=\"font-weight: 400;\">5PT30<\/span><\/a><span style=\"font-weight: 400;\"> davit crane is offered with either a boom brace or a screw-jack. There are specific part numbers for both options. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is the handle on a spur gear manual winch able to be relocated to the opposite side from its original position?&#8221; tab_id=&#8221;1695910811604-bec6fb47-54e2&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The handle is unable to be relocated from its original position. Other options are to use a worm gear winch where the handle is on the back of the winch\/can be drill driven or an electric winch option. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winches be provided with explosion-proof motors?&#8221; tab_id=&#8221;1695910822498-39c19686-520e&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Yes, we will need to know the required voltage\/hertz along with the Class, Group, and Division of the environment, so we can source the appropriate motor for your electric winch.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a brake provided on the winch used with a davit crane system?&#8221; tab_id=&#8221;1695910835540-2e6f8a74-a5e9&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, an integral brake is provided on the winch for any lifting application with a davit crane system.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can a portable davit crane be used as a stationary davit crane?&#8221; tab_id=&#8221;1695910847162-4a623af8-ea0e&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Yes, a portable davit crane can be used as a stationary davit crane. A portable crane does need to be moved to other davit crane base locations if the application does not require it. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Why did you quote the same amount of wire rope assemblies as the number of davit crane bases required?&#8221; tab_id=&#8221;1695910859193-086d17d4-dd31&#8243;][vc_column_text]<span style=\"font-weight: 400;\">This is to aid in the portability of the davit crane from one application to the next. Rather than unhooking the wire rope from the load, you can simply disconnect the wire rope from the winch using the quick disconnect feature, hook it in the key-hole slot on the gusset of the base or an optional rope keeper, and move the crane to a different base location. This feature improves the safety and efficiency of operations by allowing the wire rope assemblies to remain connected to the load and eliminates \u201cfishing\u201d in less-than-optimal conditions.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Do I need a cable spool and a wire rope keeper?&#8221; tab_id=&#8221;1695910869711-f1634688-6985&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Typically, both items do not need to be used at the same time. The cable spool is typically used in mixer maintenance applications, and the wire rope keeper is used in all other applications. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern davit cranes and winches for lifting people?&#8221; tab_id=&#8221;1695910882456-9bb77bdb-f9ba&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The answer is, \u201cIt depends.\u201d Most Thern products are not rated for lifting people or things over people, and our standard davit cranes and winches are designed for lifting material only. That said, we offer a line of rescue-rated davit cranes that can be incorporated into your safety plan. Not to be confused with personnel-rated systems, the Thern rescue-rated davit cranes can be used to safely and quickly recover injured or disabled personnel.   <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][vc_custom_heading text=&#8221;UV Panel Hoists&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What information do you need to determine the proper davit crane for my application?&#8221; tab_id=&#8221;1695910907986-8321998c-7638&#8243;][vc_column_text]<span style=\"font-weight: 400;\">To determine the best davit crane for your site, we\u2019ll need to know the maximum load, horizontal reach, and hook height required to lift the load.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Do you recommend a manual winch or electric winch on the davit crane system?&#8221; tab_id=&#8221;1695910908014-0bac9a7b-a8b8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">It is up to the customer to make the ultimate decision. Thern suggests an electric winch if the davit crane system is being used on a regular basis. However, if the davit crane system is only being used once a year for annual maintenance, it may be more cost-effective to purchase a manual winch.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Why is an epoxy finish beneficial on either larger davit cranes or electric winches?&#8221; tab_id=&#8221;1695911292991-e3019d17-c071&#8243;][vc_column_text]<span style=\"font-weight: 400;\">An epoxy finish is recommended for davit cranes and electric winches over a standard enamel finish as it provides superior corrosion resistance in the harsh atmospheres common in water\/wastewater applications.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can I adjust the screw-jack on the davit crane system under load?&#8221; tab_id=&#8221;1695911306198-0f91c2ba-efe8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The effort required to adjust the screw-jack while under load for davit crane systems can be greater than what is ergonomically appropriate. For this reason, Thern does not recommend making boom angle adjustments under load. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a spur gear manual winch able to be drill driven?&#8221; tab_id=&#8221;1695911318792-92c24b24-a3f8&#8243;][vc_column_text]<span style=\"font-weight: 400;\">No. Drill driving a spur gear hand winch is not recommended due to the heat and wear generated during operation, which can shorten the life of the winch. Thern offers two worm gear manual winch options that can be drill driven. These worm gear winches are housed in an oil bath gear case, which dissipates the heat generated by drill-drive operation.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does the 5PT30 Series davit crane come standard with a screw-jack?&#8221; tab_id=&#8221;1695911330623-95e79d10-c914&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The <\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/stationary-davit-cranes\/admiral-3000\/\"><span style=\"font-weight: 400;\">5PT30<\/span><\/a><span style=\"font-weight: 400;\"> davit crane is offered with either a boom brace or a screw-jack. There are specific part numbers for both options. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is the handle on a spur gear manual winch able to be relocated to the opposite side from its original position?&#8221; tab_id=&#8221;1695911342392-9d0c1be3-3c90&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The handle is unable to be relocated from its original position. Other options are to use a worm gear winch where the handle is on the back of the winch\/can be drill driven or an electric winch option. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winches be provided with explosion-proof motors?&#8221; tab_id=&#8221;1695911354121-d6a0ae05-45cd&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Yes, we will need to know the required voltage\/hertz along with the Class, Group, and Division of the environment, so we can source the appropriate motor for your electric winch.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a brake provided on the winch used with a davit crane system?&#8221; tab_id=&#8221;1695911366224-00097d8a-5297&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, an integral brake is provided on the winch for any lifting application with a davit crane system.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can a portable davit crane be used as a stationary davit crane?&#8221; tab_id=&#8221;1695911378361-07465819-1cd1&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, a portable davit crane can be used as a stationary davit crane. A portable crane does need to be moved to other davit crane base locations if the application does not require it. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Why did you quote the same amount of wire rope assemblies as the number of davit crane bases required?&#8221; tab_id=&#8221;1695911389353-4e62e181-b3b1&#8243;][vc_column_text]<span style=\"font-weight: 400;\">This is to aid in the portability of the davit crane from one application to the next. Rather than unhooking the wire rope from the load, you can simply disconnect the wire rope from the winch using the quick disconnect feature, hook it in the key-hole slot on the gusset of the base or an optional rope keeper, and move the crane to a different base location. This feature improves the safety and efficiency of operations by allowing the wire rope assemblies to remain connected to the load and eliminates \u201cfishing\u201d in less-than-optimal conditions.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Do I need a cable spool and a wire rope keeper?&#8221; tab_id=&#8221;1695911403078-9575c14a-a34b&#8221;][vc_column_text]<span style=\"font-weight: 400;\">Typically, both items do not need to be used at the same time. The cable spool is typically used in mixer maintenance applications, and the wire rope keeper is used in all other applications. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern davit cranes and winches for lifting people?&#8221; tab_id=&#8221;1695911413823-788b4ed1-d4b0&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The answer is, \u201cIt depends.\u201d Most Thern products are not rated for lifting people or things over people, and our standard davit cranes and winches are designed for lifting material only. That said, we offer a line of rescue-rated davit cranes that can be incorporated into your safety plan. Not to be confused with personnel-rated systems, the Thern rescue-rated davit cranes can be used to safely and quickly recover injured or disabled personnel.   <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][vc_custom_heading text=&#8221;Workshop \/ Maintenance Cranes&#8221; font_container=&#8221;tag:h6|text_align:left|color:%23990000&#8243; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;none&#8221;][vc_tta_accordion][vc_tta_section title=&#8221;What information do you need to determine the proper davit crane for my application?&#8221; tab_id=&#8221;1695911739170-a7562716-2bfa&#8221;][vc_column_text]<span style=\"font-weight: 400;\">To determine the best davit crane for your site, we\u2019ll need to know the maximum load, horizontal reach, and hook height required to lift the load.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Do you recommend a manual winch or electric winch on the davit crane system?&#8221; tab_id=&#8221;1695911739200-901b39d0-5afc&#8221;][vc_column_text]<span style=\"font-weight: 400;\">It is up to the customer to make the ultimate decision. Thern suggests an electric winch if the davit crane system is being used on a regular basis. However, if the davit crane system is only being used once a year for annual maintenance, it may be more cost-effective to purchase a manual winch.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Why is an epoxy finish beneficial on either larger davit cranes or electric winches?&#8221; tab_id=&#8221;1695911761704-72e14dc2-a69f&#8221;][vc_column_text]<span style=\"font-weight: 400;\">An epoxy finish is recommended for davit cranes and electric winches over a standard enamel finish as it provides superior corrosion resistance in the harsh atmospheres common in water\/wastewater applications.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can I adjust the screw-jack on the davit crane system under load?&#8221; tab_id=&#8221;1695911773603-92388249-f9d6&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The effort required to adjust the screw-jack while under load for davit crane systems can be greater than what is ergonomically appropriate. For this reason, Thern does not recommend making boom angle adjustments under load. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a spur gear manual winch able to be drill driven?&#8221; tab_id=&#8221;1695911792664-a577c0d0-7b36&#8243;][vc_column_text]<span style=\"font-weight: 400;\">No. Drill driving a spur gear hand winch is not recommended due to the heat and wear generated during operation, which can shorten the life of the winch. Thern offers two worm gear manual winch options that can be drill driven. These worm gear winches are housed in an oil bath gear case, which dissipates the heat generated by drill-drive operation.   <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Does the 5PT30 Series davit crane come standard with a screw-jack?&#8221; tab_id=&#8221;1695911805477-9c972ed4-059e&#8221;][vc_column_text]<span style=\"font-weight: 400;\">The<\/span><a href=\"https:\/\/thern.com\/en-GB\/cranes\/stationary-davit-cranes\/admiral-3000\/\"><span style=\"font-weight: 400;\"> 5PT30<\/span><\/a><span style=\"font-weight: 400;\"> davit crane is offered with either a boom brace or a screw-jack. There are specific part numbers for both options. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is the handle on a spur gear manual winch able to be relocated to the opposite side from its original position?&#8221; tab_id=&#8221;1695911892828-9f5efe69-4401&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The handle is unable to be relocated from its original position. Other options are to use a worm gear winch where the handle is on the back of the winch\/can be drill driven or an electric winch option. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can the electric winches be provided with explosion-proof motors?&#8221; tab_id=&#8221;1695912140661-d7a7ea34-1d93&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, we will need to know the required voltage\/hertz along with the Class, Group, and Division of the environment, so we can source the appropriate motor for your electric winch.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Is a brake provided on the winch used with a davit crane system?&#8221; tab_id=&#8221;1695912153133-9f7e0d4b-7a86&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, an integral brake is provided on the winch for any lifting application with a davit crane system.<\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Can a portable davit crane be used as a stationary davit crane?&#8221; tab_id=&#8221;1695912164668-c0ce2beb-afe0&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Yes, a portable davit crane can be used as a stationary davit crane. A portable crane does need to be moved to other davit crane base locations if the application does not require it. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Why did you quote the same amount of wire rope assemblies as the number of davit crane bases required?&#8221; tab_id=&#8221;1695912174918-c61b6240-aa05&#8243;][vc_column_text]<span style=\"font-weight: 400;\">This is to aid in the portability of the davit crane from one application to the next. Rather than unhooking the wire rope from the load, you can simply disconnect the wire rope from the winch using the quick disconnect feature, hook it in the key-hole slot on the gusset of the base or an optional rope keeper, and move the crane to a different base location. This feature improves the safety and efficiency of operations by allowing the wire rope assemblies to remain connected to the load and eliminates \u201cfishing\u201d in less-than-optimal conditions.  <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Do I need a cable spool and a wire rope keeper?&#8221; tab_id=&#8221;1695912187594-368a6af5-65b3&#8243;][vc_column_text]<span style=\"font-weight: 400;\">Typically, both items do not need to be used at the same time. The cable spool is typically used in mixer maintenance applications, and the wire rope keeper is used in all other applications. <\/span>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Are Thern davit cranes and winches for lifting people?&#8221; tab_id=&#8221;1695912205071-949a35c9-d058&#8243;][vc_column_text]<span style=\"font-weight: 400;\">The answer is, \u201cIt depends.\u201d Most Thern products are not rated for lifting people or things over people, and our standard davit cranes and winches are designed for lifting material only. That said, we offer a line of rescue-rated davit cranes that can be incorporated into your safety plan. Not to be confused with personnel-rated systems, the Thern rescue-rated davit cranes can be used to safely and quickly recover injured or disabled personnel.   <\/span>[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row][vc_column][vc_btn add_icon=&#8221;true&#8221; el_class=&#8221;do-not-show&#8221;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_section full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1692301678289{padding-top: 0px !important;background-image: url(https:\/\/thern.com\/wp-content\/uploads\/2023\/07\/Thern-Inc_Resources-Hero.jpg?id=396) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221;][vc_row full_width=&#8221;stretch_row&#8221; css=&#8221;.vc_custom_1692301687976{padding-top: 50px !important;padding-bottom: 70px !important;background-color: rgba(0,0,0,0.5) !important;*background-color: rgb(0,0,0) !important;}&#8221;][vc_column][vc_custom_heading text=&#8221;FAQs&#8221; font_container=&#8221;tag:h1|text_align:left|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;fadeInLeft&#8221;][\/vc_column][\/vc_row][\/vc_section][vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1689180629506{padding-bottom: 35px !important;background-color: #c71a32 !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_custom_heading text=&#8221;Frequent Questions, Helpful Answers&#8221; font_container=&#8221;tag:h2|text_align:left|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;fadeInLeft&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text css_animation=&#8221;fadeInRight&#8221;] Have a question concerning your Thern product? Chances are &#8230; <a title=\"FAQ\" class=\"read-more\" href=\"https:\/\/thern.com\/en-GB\/resources\/faq\/\" aria-label=\"More on FAQ\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":35484,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-35487","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FAQs - Get Answers to Frequently Asked Questions | Thern, Inc.<\/title>\n<meta name=\"description\" content=\"The Thern Resource Center provides additional in-depth information and visual aids to learn more about our products. 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