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6.
Any hydraulic repairs within the warranty period must be performed by an authorized service center.
INSPECTION
Visual inspection should be made before each use of the jack, checking for leaking hydraulic fluid and damaged, loose or missing
parts. Each jack must be inspected by a manufacturer's repair facility immediately if subjected to an abnormal load or shock.
Any jack which appears to be damaged in any way, is found to be badly worn, or operates abnormally MUST BE REMOVED
FROM SERVICE until necessary repairs are made by a manufacturer's authorized repair facility. It is recommended that an annual
inspection of the jack be made by a manufacturer's authorized repair facility and that any defective parts, decals or warning labels
be replaced with manufacturer's specified parts. A list of authorized repair facilities is available from the manufacturer.
PROPER STORAGE
It is recommended that the jack be stored in a dry location with all wheels touching the ground on a relatively level surface.
TROUBLESHOOTING
Important: Service jacks are self-contained devices used for lifting, but not sustaining, a partial vehicular load. In accordance with
ASME-PALD Load Sustaining Test: "A load not less than the rated capacity...shall not lower more than 1/8" (3.18mm) in the first
minute, nor a total of .1875" (4.76mm) in 10 minutes." Lowering within this range is considered normal operation and is NOT a
warrantable defect.
PROBLEM
1 . Unit will not lift rated load .
2 . Unit will not sustain rated load or feels "spongy" under rated load .
3 . Unit will not lift to full height .
4 . Handle tends to raise up while the unit is under rated load .
5 . Unit still does not operate .
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.
791-6431 A
OPERATING MANUAL & PARTS LIST FOR 791-6431 A
ACTION
Purge air from hydraulic system by following procedure under SETUP .
Purge air from hydraulic system as above .
Purge air from hydraulic system as above .
Pump the handle rapidly several times to push oil past ball valves in
power unit .
For a complete list of authorized hydraulic repair centers,
please visit www.toolwarrantyrepair.com
4
rev. 9/16/15
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