TROUBLESHOOTING
PROBLEM
CAUSE
REMEDY
Jack will not lift to full height
1. Oil level low
2. Release valve not closing
1. Check / add oil
2. Close the release valve
Jack will not hold the load
1. Release valve not closing
2. Hydraulic oil contaminated
3. Pump leaking
1. Close the release valve
2 & 3. Contact authorized
service agent
Lift arm will not lower
1. Pump cylinder binding
2. Parts worn
3. Internal component damage
4. Return spring broken or unhooked
5. Lift arm linkage either bent or binding
6. Still have air in the hydraulic system
Contact authorized service agent
After hydraulic purging, the
jack still can reach the
maximum by 10 pumps
Open the release valve by turning
counter-clockwise and lower the
lifting arm to the minimum height.
Poor lift performance
1. Fluid level low
2. Hydraulic unit malfunction
1. Ensure proper fluid level
2. Discontinue use, contact
authorized service agent
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