14
TROUBLESHOOTING
Symptom
Possible Causes
Corrective Action
Jack will not lift load.
Release valve not tightly closed.
Pump has lost it’s prime.
Load is too heavy.
Air supply not sufficient.
Ensure release valve tightly closed.
See ‘priming the pump’.
Consider higher capacity jack.
Check air supply.
Jack will lift, but not
maintain pressure.
Release valve not tightly closed.
Hydraulic unit malfunction.
Ensure release valve tightly closed.
Discontinue use, contact supplier.
Jack will not lower after
unloading.
Reservoir overfilled.
Release valve not fully open.
Linkages binding.
Low oil level.
Drain oil to proper level.
Ensure release valve is fully open.
Clean and lubricate moving parts.
Ensure proper oil level.
Low oil level.
Air trapped in system.
Air supply not sufficient.
Ensure proper oil level.
See ‘bleeding the jack’.
Check air supply.
Poor lift performance.
Will not lift to full extension.
Low oil level.
Air supply not sufficient.
Ensure proper oil level.
Check air supply.
7
TECHNICAL SPECIFICATIONS
Release Valve
Handle Release / Lock
Air Inlet
Height Adaptors
Air Control Valve
Airline Hook
Cover
GETTING TO KNOW YOUR JACK
Lifting Capacity
22 Ton
110 x 50 mm
Ø
Adaptor sizes
Minimum Height
230 mm
50 x 50 mm
Ø
Ram Stroke
120 mm
20 mm x 50 mm
Ø
Screw Extension
115 mm
20 mm x 70 mm
Ø
Air Pressure
7 - 10 bar
Net. Weight
46Kg
