User's Manual

TROUBLESHOOTING
Possible Causes
Jack will not lift load
Jack *bleeds off after lift
Jack will not lift to full extension
• Release valve not tightly closed
• Overload condition
• Fluid level low
• Fluid level low
• Air trapped in system
• Release valve not tightly closed
• Overload condition
• Hydraulic unit malfunction
• Ensure release valve tightly closed
• Remedy overload condition
• Ensure release valve tightly closed
• Remedy overload condition
• Replace hydraulic unit
• Ensure proper fluid level
• Ensure proper fluid level
• With ram fully retracted, remove oil
filler plug to let pressurized air
escape, then reinstall oil filler plug.
Poor lift performance
Jack will not lower after unloading
• Reservoir overfilled
• Drain fluid to proper level
Symptom Corrective Action
* "Bleeding off" means that jack begins to slowly lower rather than keep load at height.
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