Harbor Freight Tools 3500 lb. Capacity Drop Leg Heavy Duty Electric Trailer Jack Product manual
Contents
1. 1 13 Spur Gear ___ _ 1 14 Motor S ol 15 Power Switch 16 MotorCover _ __ _ _ 17 Switch Housing 18 Power Switch Cover _ __ _ 19 FuseWire i O 20 Crank od 17 Record Product s Serial Number Here CO 18 5 16 10 11 12 13 14 15 16 17 18 19 20 Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts a 19 1 3 20 Haul iaster 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 33532. PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Limited 90 Day Warranty Harbor Freight Tools Co makes every effort to assure that its products meet high quality and durability standards and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities criminal activity improper installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising
3. from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warranty then you must bear the cost of returning the product LLI 8 Z lt Z Lu z lt This warranty gives you specific legal rights and you may also have other rights which vary from state to state Item 69899 For technical questions please call 1 800 444 3353 Page 7 Parts List and Diagram Part Description 1 N 0 5 ACME Screw 7 Drive Collar 1 1 1 1 5 1 6 1 7 1 8 Main Gear Housing 1 9 Main Gear Drive _ _ _ 1 10 Housing Cover __ _ 1 11 PlasticCap Cd 12 Pinion Gear __
4. Owner s Manual amp Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures Write the product s serial number in the back of the manual near the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for future reference 3900 LB CAPACITY ELECTRIC Haul 2Master Visit our website at http www harborfreight com ITEM 69899 Email our technical support at tech harborfreight com REV 13g When unpacking make sure that the product is intact and undamaged If any parts are missing or broken AWARNING please call 1 800 444 3353 as soon as possible Copyright 2012 by Harbor Freight Tools All rights reserved i No portion of this manual or any artwork contained herein may be reproduced in Read this material before using this product any shape or form without the express written consent of Harbor Freight Tools Failure to do so can result in serious injury Diagrams within this manual may not be drawn proportionally Due to continuing SAVE THIS MANUAL improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included Table of Contents SIGN EEE E A E E 3 Maintenant E nacnssaocunn ennnen 7 Specifications ceeeeeeeeeeeeeeeeesneeeeeeeeaes 4 Warn amty asseta ni
5. ctions the trailer hitch any safety chains or other connections between the vehicle and the trailer You may need to extend the Jack further to clear the trailer hitch When the vehicle is completely clear and it is safe to do so drive the vehicle away from the trailer CAUTION Have a spotter watch this operation to be sure the trailer is clear of the vehicle 7 For technical questions please call 1 800 444 3353 When finished raising or lowering the trailer a If using with electric power disconnect power to the Jack b If using the Jack manually remove the Crank and replace the Plastic Cap Store the Crank in a safe place for future use Item 69899 Inspection Testing and Maintenance Procedures not specifically explained in this manual must be performed only by a qualified technician AWARNING TO PREVENT SERIOUS INJURY Remove Jack from trailer before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment If abnormal noise or vibration occurs have the problem corrected before further use Cleaning Maintenance and Lubrication 1 BEFORE EACH USE inspect the general 2 AFTER USE wipe external surfaces condition of the tool Check for of the tool with clean cloth loose hardware misalignment or binding of moving parts cracked or broken parts and any other condition that may affect its safe operation
6. ed under Hardware in the Specifications chart on page 4 Slide a star washer onto each bolt then insert them from the top side and attach a star washer and lock nut from the underside of the frame Tighten mounting hardware firmly to 15 20 ft Ib Use a torque wrench to confirm tightness Replace the Footpad and insert the Lock Pin The Jack needs to be properly wired for use Have a qualified technician perform the wiring if you are not familiar with the following procedures If wiring to the trailer battery 1 Disconnect the trailer battery ground cable 1 2 Connect the black wire lead from the Jack to the Fuse Wire 19 3 Connect the Fuse Wire to the positive battery terminal and include an ON OFF switch sold separately in the wiring so power can be turned off 4 Reconnect the battery ground cable Item 69899 For technical questions please call 1 800 444 3353 If wiring to the vehicle battery Route a 10 gauge wire sold separately from the positive terminal of a 12VDC battery to a location near the Jack Attach the female side of a quick connect sold separately to the end of the wire and the male side to the Fuse Wire 19 Connect the Fuse Wire to the black wire lead of the Jack Plug the quick connect sections together Page 5 2 m S zZ Operation Instructions Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all tex
7. railer Jack including using safety chains securely attached to the towing vehicle when the trailer is hooked to the vehicle Check ground clearance carefully after installing If your trailer does not provide enough ground clearance for the jack remove the jack entirely before towing trailer Do not use for aircraft purposes The warnings precautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator A SAVE THESE INSTRUCTIONS Item 69899 For technical questions please call 1 800 444 3353 Page 3 Functional Description Specifications Weight Capacity 3 500 Ib Motor 12 VDC Lift Range 8 1 2 31 1 2 Application For use with A frame trailers 3 bolts 3 8 D x 1 L salen grade 5 or better 3 lock p y nuts 6 star washers Components Z le gt gt gt a O Z Power Switch Outer Tube p Lock Pin q n Footpad A E Page 4 For technical questions please call 1 800 444 3353 Item 69899 Installation Instructions A Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Note For additional information regarding the parts listed in the following page
8. rsonal protective equipment Always wear eye protection Safety equipment such as non skid safety shoes or a hard hat used for appropriate conditions will reduce personal injuries Have your tool serviced by a qualified repair person using only identical replacement parts This will ensure that the safety of the tool is maintained Specific Safety Warnings 1 Do not exceed rated capacity 2 Do not use Crank while power lift is in use 3 Use on flat level hard surface capable of supporting load 4 Wear ANSI approved safety goggles during use 5 Prevent trailer wheels from moving using wheel chocks while raising or lowering 6 Before towing fully raise Trailer Jack 7 Keep out from under jack and tongue when applying and releasing load or when jack is supporting load 8 Inspect before use Do not use if parts are loose or damaged 9 Use in accordance with the Department of Transportation DOT regulations 10 Maintain labels and nameplates on the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement 11 12 13 14 15 16 17 18 Apply force to jack vertically only Side forces will compromise the jack Do not use blocks for additional ground clearance Do not climb aboard any vehicle supported by jack This product is not a toy Keep it out of reach of children Follow all state regulations for towing when using T
9. s refer to Parts List and Diagram on page 8 Mounting This Electric Jack is designed to replace an existing manual only trailer jack Check that the Outer Tube 5 of the Electric Jack will fit into the existing jack location and that the Mounting Plate holes align with the bolt locations on your trailer Only a qualified technician should modify the trailer if needed 1 Block the wheels and support the trailer A Frame securely using jack stands sold separately 2 Disconnect the trailer battery ground cable if equipped 3 Remove the existing jack 4 Remove the Lock Pin 1 and slide out the Footpad 2 from the Jack 5 To ensure proper grounding remove paint from around one bolt hole on the Jack and remove paint from around the matching bolt hole on the trailer tongue If the paint layer is thick add a flat washer sold separately between the jack and the trailer to provide good contact Exposed metal can be painted after assembly to inhibit corrosion 6 Insert the bottom section of the Outer Tube 5 into the A Frame jack opening so that the Motor Housing is toward the front of the trailer and the Mounting Plate holes line up with the bolt holes in the trailer Wiring Insert Jack into trailer opening Rotate so Motor faces forward Align bolt holes Z 2 lt l lt N Secure the Mounting Plate to the A Frame using nuts bolts and washers all sold separately as list
10. so ar a a 7 instalation see n 5 Parts List and Diagram eeeeeeeeeeeee 8 Operatorni a nar 6 wn gt A m lt HaulfMaster WARNING SYMBOLS AND DEFINITIONS This is the safety alert symbol Itis used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury AWARNING Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided ACAUTION could result in minor or moderate injury NOTICE CAUTION Addresses practices not related to personal injury Page 2 For technical questions please call 1 800 444 3353 Item 69899 IMPORTANT SAFETY INFORMATION AWARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in serious injury Save all warnings and instructions for future reference Basic Safety Information Keep work area clean and well lit Cluttered or dark areas invite accidents Personal safety 1 Stay alert watch what you are doing and use common sense when operating a tool Do not use a tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating tools may result in serious personal injury Service SAFETY Use pe
11. t under subheadings therein before set up or use of this product Mounting The Trailer to the Towing Vehicle 1 Before mounting chock the trailer wheels to prevent the trailer from rolling 2 If using the Jack with electric power a If wired to the vehicle battery plug the Jack wire into the quick connect If wired to the trailer battery turn on the ON OFF switch b If needed turn on the LED lights using the Light Switch Note The LED lights will only work when the Jack wiring is powered c Check that the Switch Cover 18 is secured over the Power Switch 15 d Pull the Power Switch away from the Jack to raise the trailer to the level of the towing vehicle s hitch Release the Power Switch to stop the Jack CAUTION 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 3 8 If using the Jack manually a Disconnect power to the Jack b Remove the Plastic Cap 11 on the top of the Jack to access the Drive Collar 7 c Insert the Crank 20 onto the Drive Collar d Rotate the Crank counterclockwise to raise the trailer to the level of the towing vehicle s hitch With the assistance of a spotter back the vehicle to the trailer Mount the trailer onto the towing vehicle s hitch Push the Power Switch toward the Jack electric or turn the Crank clockwise manual to re
12. tract the Jack slightly lowering the trailer and transferring its weight onto the towing vehicle Once trailer is fully engaged continue to retract Jack up to the STOP label on the Inner Tube 3 Trailer Jack must always be fully retracted when towing the trailer Attach the safety chain sold separately Dismounting The Trailer from the Towing Vehicle 1 Before dismounting chock the trailer wheels to prevent the trailer from rolling 2 If using the Jack with electric power a If wired to the vehicle battery plug the Jack wire into the quick connect If wired to the trailer battery turn on the ON OFF switch b If needed turn on the LED lights using the Light Switch Note The LED lights will only work when the Jack wiring is powered c Check that the Switch Cover 18 is secured over the Power Switch 15 d To extend the Jack and raise the trailer pull the Power Switch away from the Jack Release the Power Switch to stop the Jack 3 If using the Jack manually a Disconnect power to the Jack b Remove the Plastic Cap 11 on the top of the Jack to access the Drive Collar 7 c Insert the Crank 20 onto the Drive Collar d Rotate the Crank counterclockwise to extend the Jack and raise the trailer Page 6 4 Continue to extend just enough for the Trailer Jack to take the weight of the trailer This will make it easier to disengage the trailer hitch Disengage the electrical conne
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