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Important: Service jacks are self-contained devices used for lifting, but not sustaining, a partial vehicular load. In accordance with ASME-PASE
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. Unit will not lower completely.
5. Handle tends to raise up while the unit is under rated load.
6. Unit still does not operate.
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.
Check oil level. Make sure hydraulic system is not overfilled.
Pump the handle rapidly several times to push oil past ball valves in power unit.
Contact customer service.
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