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For technical questions, please call 1-888-866-5797.

Item 58203
        

 Installation Instructions

  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 pages, refer to

Parts List and Diagram

 on page 8.

Mounting

This Trailer Jack is designed

 specifically for use 

with an A-frame hitch.

  Never attempt to mount this 

Trailer Jack to a hitch or trailer not specifically designed 
for it.  An example of an A-frame hitch is shown in 
Figure A.  Check that the Outer Tube (16) of the Jack will 
fit into the A-frame opening and that the Mounting Plate 
holes align with the bolt locations on the 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.  If replacing a jack, remove existing jack.
4.  Remove the Lock Pin (22) and slide out 

the Footpad (23) 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 (16) 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.

Rotate so 

Motor faces 

forward

Insert Jack into trailer opening

Align bolt 

holes

Lock Pin

Footpad

Trailer

Bolt

7.  Secure the Mounting Plate to the A-Frame 

using nuts, bolts and washers as listed 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. 

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Use a torque wrench to confirm tightness.

8.  Replace the Footpad and insert the Lock Pin.

Wiring

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.

1.  Disconnect the trailer battery ground cable.

2.  Connect the BLACK wire lead directly to 

the positive (+) terminal of the battery.

Note:

 This Jack has a built-in circuit breaker that will 

automatically trip and reset if amperage is too high.

3.  Connect the WHITE ground wire to 

the negative (-) battery terminal.

4.  Reconnect the battery ground cable. 

SAFETY

OPERA

TION

MAINTENANCE

INST

ALLA

TION

Summary of Contents for Haulmaster 58203

Page 1: ...rence 20l When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2020 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manua...

Page 2: ...FETY INFORMATION 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 ...

Page 3: ... a replacement 11 Apply force to Jack vertically only Side forces will compromise the Jack 12 Do not use blocks for additional ground clearance 13 Do not climb aboard any vehicle supported by Jack 14 This product is not a toy Keep it out of reach of children 15 Follow all state regulations for towing when using Trailer Jack including using safety chains securely attached to the towing vehicle when...

Page 4: ...cifications Weight Capacity 3 500 lb Travel Length Ǝ Lift Range Ǝ Ǝ Application For use with A frame trailers Hardware 7KUHH Ǝ 81 Ǝ EROWV DQG ZDVKHUV UDGH Components Lock Pin Footpad Outer Tube Mounting Plate Light Switch Directional Switch Wire LED Light SAFETY OPERATION MAINTENANCE INSTALLATION ...

Page 5: ...aint 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 16 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 Rotate so Mo...

Page 6: ...ght onto the towing vehicle 7 Once trailer is fully engaged continue to retract Jack up to the STOP label on the Inner Tube 20 Trailer Jack must always be fully retracted when towing the trailer 8 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...

Page 7: ...576 7 5 72 25 5 6 1 287 2 6 25 5 167 7 21 2 5 3 0 17 3 576 7 5 72 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 damag...

Page 8: ... Black Wire 1 20 Inner Tube 1 21 White Wire 1 22 Lock Pin 1 23 Foot Pad 1 24 Up Down Switch Cover 1 25 LED Wire 1 26 Hardware Kit 3 27 Light Switch Cover 1 Record Product s Serial Number Here 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 Speci...

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