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Page 5

SKU 37555

maInTenanCe

1.  Clean and lubricate all moving parts including gears, ratchets, and shafts to insure 

safe operation.  When not in use, keep clean, dry, and covered.

2.  Purge air from hydraulic system when jack does not lift efficiently.

3.  Replace hydraulic oil once per year.

Purging air from the Hydraulic System

note:

 Occasionally, air bubbles can become trapped inside the hydraulic system thereby 

reducing the efficiency of the jack.  Purge air from the system as needed.

1.  Place the slotted end of the Jack Handle (21) over the valve release screw.
2.  Turn the valve release screw (not shown) 1-1/2 turns counterclockwise using the Jack 

Handle.

3.  Remove the oil filler plug on the side of the Jack (not shown) by gently pulling and 

turning.

4.  Rapidly pump the Jack Handle several times to purge air from the hydraulic system.
5.  Turn the valve release screw clockwise until snug using the Jack Handle.

6.  Replace the oil filler plug.

Replacing Hydraulic System Oil

Caution:

 Replace the oil once per year, or more often with heavy use.  Do not permit dirt or 

any substance other than high quality hydraulic jack oil to enter the hydraulic system.  

Do not mix different kinds of oil together.

1.  Remove the Jack (12) from the lift and place in an upright position.

2.  Completely lower ram.

3.  Remove the oil filler plug (not shown) from the Jack.
4.  Fill with high-quality hydraulic jack oil to the lower rim of the fill hole.

5.  Purge air from the system as previously described.
6.  Top off with more hydraulic jack oil.

7.  Replace the oil filler plug.

Содержание 37555

Страница 1: ...ight 1998 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 Fre...

Страница 2: ...ons 3 Be certain winch is properly bolted to a truck bed that can hold the winch load 4 Always use proper couplings when connecting winch cable hook to load cable or rope 5 Do not overload the winch S...

Страница 3: ...any part of the machine is missing or broken please call Harbor Freight Tools at the number on the front cover as soon as possible Assembly While assembling the truck lift refer to the Assembly Parts...

Страница 4: ...ning it in a clockwise direction 5 Insert the Jack Handle into its connector and lift the Boom by pumping the handle in an up and down motion 6 When the article has been lifted to the desired height i...

Страница 5: ...filler plug on the side of the Jack not shown by gently pulling and turning 4 Rapidly pump the Jack Handle several times to purge air from the hydraulic system 5 Turn the valve release screw clockwis...

Страница 6: ...Extendible Boom 1 08 Pin Boom Extendible 1 09 Windlass 1 10 Hook and Steel Cable 1 11 Angle Steel 2 12 3 Ton Jack 1 13 Bearing 1 14 Jack Support 1 15 Washer 1 16 Spring Washer 1 17 Bolt M6x15 1 18 Pin...

Страница 7: ...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...

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