Husky 754902 - Troubleshooting

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Troubleshooting
Problem
Possible Cause
Solution
Jack will not lift to full
height
level lio kcehC level lio woL
Jack will not hold load
Hydraulic jack oil contaminated
Pump valves not sealing
Cylinder not sealing
Call customer service
Ram will not lower
Parts worn
Internal damage
Call customer service
Jack feels spongy when
lifting
See Air Purge section See Air Purge procedure
PURGING SYSTEM AIR OR CHANGING OIL WHEN TROUBLESHOOTING
1
Opening Release Valve
2
Pumping the Handle
□ Turn release valve must be
turned counterclockwise to
allow the ram to fully retract.
□ Pump the handle eight
full strokes
3
Closing Release Valve
4
Pinch Oil Plug
5
Checking for Pump Action
□ Turn release valve clockwise
Jack feels not spongy when lifting
to close the valve
□ Slowly and carefully pinch oil
□
plug to release trapped air.
Cylinder ram binding
Release valve not closing