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6603 

Owner/User 

Responsibility

The owner and/or user must have an understanding of the manufacturer’s operating instructions and warn-

ings before using this jack. Personnel involved in the use and operation of equipment shall be careful, 

competent, trained, and qualifi ed in the safe operation of the equipment and its proper use when servicing 

motor vehicles and their components. Warning information should be emphasized and understood. If the 

operator is not fl uent in English, the manufacturer’s instructions and warning shall be read to and discussed 

with the operator in the operator’s native language by the purchaser/owner, making sure that the operator 

comprehends its contents.
Owner and/or user must study and maintain for future reference the manufacturers’ instructions. Owner and/or 

user is responsible for keeping all warning labels and instruction manuals legible and intact. Replacement 

labels and literature are available from the manufacturer.

Lubrication

All moving joints require lubrication often. Remove handle and grease the lower end of handle where it 

rotates in the handle socket. Grease release valve gears. Using a grease gun, grease the lift arm pivot shaft 

grease fi tting until grease appears at the end of the shaft. Grease all lift arm linkages, front wheels and rear 

casters.

Maintenance

IMPORTANT:  When adding or replacing hydraulic fl uid, always use a quality hydraulic fl uid. DO NOT use 

brake fl uid, alcohol, glycerine, detergent motor oil, or dirty oil as improper fl uid can cause serious internal 

damage to jack.

To add hydraulic fl uid

With saddle fully lowered and jack on level ground, remove fi ller plug (see Fig.1).

The hydraulic fl uid should just cover the surface of the internal cylinder visible through the hole.

If low, add hydraulic fl uid as needed.

NO NOT

 overfi ll.

Replace fi ller plug.

Maintenance and Inspection: The owner and/or user must maintain and inspect the jack in accordance with 

the manufacturer’s instructions.

Operating

Instructions

IMPORTANT

:  

Before attempting to raise a vehicle, check vehicle service manual for reommended lifting surfaces.

1. To raise load: Close release valve tightly (by turning handle clockwise). 

DO NOT OVERTIGHTEN.

Position jack under load so that saddle will contact load fi rmly and load is centered so it cannot slip.

Operate jack handle until saddle approaches the load. Once again check to see that saddle is correctly 

positioned. Raise load to desired height. Place jack stands of appropriate capacity under the vehicle. 

Place jack stands at vehicle manufacturers recommended lift areas that provide stable support for the

raised vehicle.

2. To lower load: Open release valve 

VERY SLOWLY

 (by turning handle counterclockwise). When release 

VERY SLOWLY

VERY SLOWLY

valve is opened, saddle and load will be lowered. Lower the vehicle slowly so as not to shock

load the jack stands. Once repairs are completed, raise vehicle enough to remove jack stands. Lower 

vehicle very slowly.

CAUTION

: Keep hands or feet away from the hinge mechanism of the jack.

3 TON CAPACITY

SERVICE JACK 

DO NOT CRAWL UNDER VEHICLE WHILE LIFTING VEHICLE OR PLACING OR REMOVING 

JACK STANDS

JACK STANDS

6603_OpMan_101905.indd   2

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Summary of Contents for 6603

Page 1: ...RD LEVEL SUR FACES CAPABLE OF SUSTAINING THE LOAD USE ON OTHER THAN HARD LEVEL SURFACES CAN RESULT IN JACK INSTABIL ITY AND POSSIBLE LOSS OF LOAD NO ALTERATIONS TO THE JACK SHALL BE MADE READ STUDY AND UNDERSTAND THE OPERATING MANUAL PACKED WITH THIS JACK BEFORE OPERATING FAILURE TO HEED THESE WARNINGS MAY RESULT IN LOSS OF LOAD DAMAGE TO JACK AND OR FAILURE RESULTING IN PROPERTY DAMAGE PERSONAL O...

Page 2: ...oper fluid can cause serious internal damage to jack To add hydraulic fluid With saddle fully lowered and jack on level ground remove filler plug see Fig 1 The hydraulic fluid should just cover the surface of the internal cylinder visible through the hole If low add hydraulic fluid as needed NO NOT overfill Replace filler plug Maintenance and Inspection The owner and or user must maintain and inspect the...

Page 3: ... N LY O N A R EA S O F TH E V EH IC LE A S SP EC IF IE D B Y TH E V EH IC LE M A N U FA CT U R ER C EN TE R LO A D O N S A D D LE P R IO R TO LI FT IN G O FF CE N TE R LO A D S M A Y CA U SE D A M A G E TO JA CK LO SS O F LO A D P R O P ER TY D A M A G E P ER S O N A L O R FA TA L IN JU R Y TH IS JA CK IS D ES IG N ED FO R U SE O N LY O N H A R D LE V EL SU R FA CE S CA PA B LE O F SU ST A IN IN G...

Page 4: ...ct level of Pump seals or back up ring may be defective Clean hydraulic fluid passages replace seals and refill hydraulic fluid Must be serviced by qualified service Pump seals or back up ring may be defective Clean hydraulic fluid passages replace seals and refill hydraulic fluid Must be serviced by qualified service Pump seals or back up ring may be defective Clean hydraulic fluid passages cente...

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