5000-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 5000-Lb. Capacity Electric Trailer Jack has a ball and screw design. The brake motor increases the lift efficiency and reduces friction. The motor works less, draws less amperage, creates less heat, and produces less noise. This greatly increases the motor and jack life. The brake motor ensures free stops at any time, preventing damage caused by hard stops and excessive pressure.
• The warnings, cautions, and instructions in this manual cannot cover all possible conditions or 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.
• Remove keys or wrenches before connecting the tool to an air supply, power supply, or turning on 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.
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.
Assembly Instructions ⚠WARNING • 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. • Retract the jack completely.
• Do not use crank while power lift is in use. • For use on flat, level, hard surface capable of supporting load. • 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.
• Keep all moving parts lightly lubricated to prevent corrosion. 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.
Troubleshooting Failure Possible Cause No or low voltage. Motor will not operate. Light doesn’t work. Poor grounding. 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 Check battery and electrical connections. Must have minimum of 10 VDC.
Parts Diagram Page 12 of 15
Parts List Part Number Part Description Quantity 1 Override Protection Cover 1 2 Plastic Cover 1 3 LED Light Switch 1 4 Up/Down Switch 1 5 Motor 1 6-10 Gear Assembly 1 11 Drive Shaft 1 12 Short Positive/Negative Wire 1 13 LED Light 1 14 Wiring Board 1 15 ACME Screw 1 16 Outer Tube 1 17 Crank 1 18 Mounting Plate 1 19 Cord Caddy 1 20 Inner Tube 1 21 7-Way Connector 1 22 Lock Pin 1 23 Drop Leg 1 24 Up/Down Switch Cover 1 25 LED Wire 1 26 Hardwa
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.
