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

Item 58203

        

 Operating 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.

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.  Check that the Jack has been properly 

wired by testing the Directional 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 (27) is 

secured over the Light Switch (3).

d.  Push the Directional Switch (4) up to raise the 

trailer to the level of the towing vehicle’s hitch.  
Release Directional Switch to stop the Jack.

NOTICE:

 Release Directional 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. 

If using the Jack manually:

a.  Disconnect power to the Jack.
b.  Remove the Protective Cap (1) on the top of 

the Jack to access the Drive Shaft (11).

c.  Insert the Crank (17) onto the Drive Shaft. 

d.  Rotate the Crank counterclockwise to raise the 

trailer to the level of the towing vehicle’s hitch.

Crank

Rubber 
Access 
Cover

4.  With the assistance of a spotter, 

back the vehicle to the trailer.

5.  Mount the trailer onto the towing vehicle’s hitch.
6.  Push the Directional Switch down toward the Jack 

(electric) or turn the Crank clockwise (manual)
to retract the Jack slightly, lowering the trailer and 
transferring its weight 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 power:

a.  If needed, turn on the LED lights 

using the Light Switch.

Note:

 The LED lights will only work 

when the Jack wiring is powered.

b.  Check that the Switch Cover is 

secured over the Light Switch.

c.  Push the Directional Switch (4) up to raise the 

trailer to the level of the towing vehicle’s hitch.  
Release Directional Switch to stop the Jack.

3. 

If using the Jack manually:

a.  Disconnect power to the Jack.
b.  Remove the Protective Cap (1) on the top of 

the Jack to access the Drive Shaft (11).

c.  Insert the Crank (17) onto the Drive Shaft. 
d.  Rotate the Crank counterclockwise to 

extend the Jack and raise the trailer.  

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.

5.  Disengage the electrical connections, the trailer 

hitch, any safety chains or other connections, 
between the vehicle and the trailer.

6.  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.  When finished raising or lowering the trailer:

a.  If using with electric power, 

disconnect power to the Jack.

8.  If using the Jack manually, remove the 

Crank and replace the Protective Cap.  
Store the Crank in a safe place for future use.

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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