791-9004 & 791-9005
4
04/22/20
OPERATING MANUAL FOR 791-9004 & 791-9005
sure the saddle is free from grease, any kind of lubricant, or debris before using the jack.
3. It should not be necessary to refill or top off the reservoir with hydraulic fluid unless there is an external leak. An external leak
requires immediate repair which must be performed in a dirt-free environment by qualified hydraulic repair personnel who are
familiar with this equipment. Authorized Service Centers are recommended.
IMPORTANT: In order to prevent seal damage and jack failure, never use alcohol, hydraulic brake fluid, or transmission oil in the jack. Use
NAPA Hydraulic Jack Oil #765-1541.
4. Every jack owner is responsible for keeping the jack label clean and readable. Use a mild soap solution to wash external surfaces
of the jack but not any moving hydraulic components.
5. Do not attempt to make any hydraulic repairs unless you are a qualified hydraulic repair person that is familiar with this
equipment.
TROUBLESHOOTING
OWNER/USER RESPONSIBILITY
The owner and/or user must have an understanding of the manufacturer’s operating instructions and warnings before using this jack.
Personnel involved in the use and operation of equipment shall be careful, competent, trained, and qualified 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 fluent 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.
WARRANTY
Please contact your local NAPA Auto Parts Store for details on warranty.
PROBLEM
ACTION
1. Unit will not lift rated load.
Purge air from hydraulic system by following procedure under SETUP.
2. Unit will not sustain rated load or feels “spongy” under rated load.
Purge air from hydraulic system as above.
3. Unit will not lift to full height.
Purge air from hydraulic system as above.
4. Handle tends to raise up while the unit is under rated load.
Pump the handle rapidly several times to push oil past ball valves in
power unit.
5. Unit still does not operate.
For a complete list of authorized
hydraulic
repair centers please visit
www.toolwarrantyrepair.com.
