3500-Lb. Capacity Electric Trailer Jack Owner’s Manual WARNING: Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating. Failure to follow the safety rules and other basic safety precautions may result in serious personal injury.
Thank you very much for choosing an Ultra-Tow™ product! For future reference, please complete the owner’s record below: Serial Number/Lot Date Code: ________________________________ Purchase Date: ____________________________________________ Save the receipt, warranty, and this manual. It is important that you read the entire manual to become familiar with this product before you begin using it. This trailer jack is designed for certain applications only.
Table of Contents Intended Use .......................................................................................................................................... 4 Packaging Contents .............................................................................................................................. 4 Technical Specifications ...................................................................................................................... 4 Important Safety Information .................
Intended Use The Ultra-Tow 3500-Lb. Capacity Electric Trailer Jack is a fast, easy, and practical way to hitch and level trailers with A-frame couplers. The 7-way connector plugs into your vehicle to let you lift or lower the jack with the push of a button, no hard wiring required. It has a water-proof, one-piece, industrial design cover. Improved LEDs illuminate the area to the front of the jack for superior nighttime visibility.
situations that could occur. Exercise common sense and caution when using this tool. Always be aware of the environment and ensure that the tool is used in a safe and responsible manner. Do not allow persons to operate or assemble the jack until they have read this manual and have developed a thorough understanding of how it works. Do not modify this jack in any way. Unauthorized modification may impair the function and/or safety and could affect the life of the product.
the tool. A wrench or key that is left attached to a rotating part of the tool may cause personal injury. ⚠CAUTION TRAILER JACK USE AND CARE Do not force the trailer jack. Products are safer and do a better job when used in the manner for which they are designed. Plan your work, and use the correct product for the job. Check for damaged parts before each use. Carefully check that the trailer jack will operate properly and perform its intended function. Replace damaged or worn parts immediately.
cable before installation. When using the drop foot or drop leg, make certain the supplied pin is fully inserted through both sides of the inner tube and the drop tube before using the jack. If the trailer jack has a drop leg, never attempt to adjust the drop leg when there is any load on the jack. Main Parts of Trailer Jack Reference 1 2 3 4 5 6 7 8 9 Subassembly Hand Crank Handle Light Switch Extend / Retract Motor Switch Connector Storage Bracket (3) Graded 5, 1 in. long, 3/8in.
Keep hands, feet, and body clear of the jack and trailer to avoid the risk of injury or death! Compare the lift capacity of the jack with your trailer to ensure safe operation of the jack. Before Each Use ⚠WARNING Before each use, inspect jack tubes and replace if bent or damaged. Compare the lift capacity of the jack with your trailer to ensure safe operation of the jack. Park the trailer on a level surface, block the tires of the trailer, and support trailer tongue.
Prevent trailer wheels from moving using wheel chocks while raising or lowering. Keep body parts clear from under jack and tongue when applying and releasing load, or moving trailer. Release the Power Switch when the motor slows, or switches off, to prevent damage to the motor. Wait 15 seconds for the motor to reset before operating the jack again. Do not stack blocks under the jack’s foot to increase the height. Stacked blocks may become unstable and fall.
Maintenance ⚠WARNING Before each use, inspect jack tubes and replace if bent or damaged. If wiring is connected to battery terminal, inspect at least twice each year for corrosion. Clean with a solution of baking soda and water, and then apply a thin coat of grease. The motor’s ground screw and mounting bolts must be cleaned if a grounding continuity problem occurs.
Failure Possible Cause operate. Poor grounding. Light doesn’t work. Internal circuit breaker has opened. Manual reset circuit breaker has opened. Loose wires on ON/OFF switch. ON/OFF switch is faulty. Faulty motor. Loose wires on the ON/OFF switch. Bad light bulb. Page 11 of 15 Corrective Action connections. Must have minimum of 10 VDC. If the battery is low, plug the trailer cable into the tow vehicle, and start the tow vehicle to provide power to the jack.
Parts Diagram Parts List Part Number Part Description Quantity 1 Crank Rubber Lid 1 2 Plastic Housing 1 3 LED Light Switch 1 4 Extend / Retract Motor Switch 1 Page 12 of 15
Part Number Part Description Quantity 5-10 Gear Motor box assembly 1 11 Drive Shaft 1 12 Light Cover 1 13 LED Light 1 14 20A Automatic Thermal Protection 1 15 ACME Screw 1 16 Inner Tube 1 17 Plastic Connector Storage Bracket 1 18 Outer Tube 1 19 Graded 5, 1 in. long, 3/8in.
Limited Warranty Northern Tool and Equipment Company, Inc. ("We'' or "Us'') warrants to the original purchaser only ("You'' or "Your") that the Ultra-Tow product purchased will be free from material defects in both materials and workmanship, normal wear and tear excepted, for a period of one year from date of purchase. The foregoing warranty is valid only if the installation and use of the product is strictly in accordance with product instructions.
Distributed by: Northern Tool & Equipment Company, Inc. Burnsville, Minnesota 55306 www.northerntool.
