8732315
JACK TROUBLESHOOTING
Problem(s)
Jack will not lift
load.
Jack will lift, but
will not maintain
pressure.
Will not lower
after loading.
Poor lift
performance.
Or
Will not lift to the
max. height.
WINCH TROUBLESHOOTING
Problem(s)
Cranking difficult or impossible.
Gear deviation or warping.
Wire rope or strap is worn
www.princessauto.com / 1-800-665-8685
TRUCK MOUNT CRANE
Possible Cause
1.
The release valve is not
closed tightly.
2.
Overloaded the jack.
3.
Air is trapped in the
hydraulic system.
4.
Hydraulic oil level is low.
1.
The release valve is not
closed tightly.
2.
Overloaded the jack.
3.
Hydraulic unit is
malfunctioning.
1.
Reservoir is overfilled.
2.
Linkages are binding.
3.
Contaminated release
valve.
1.
Hydraulic oil level is low.
2.
Air is trapped in the
hydraulic system.
Possible Cause(s)
Winch is overloaded.
Worn gear assembly.
Wear and tear.
Suggested solution
1.
Close the release valve firmly.
2.
Reduce load or use a jack with a
greater lift capacity.
3.
Bleed air from the system.
4.
Check the oil filler hole and if
necessary, top off with more
hydraulic oil.
1.
Close the release valve firmly.
2.
Reduce load or use a jack with a
greater lift capacity.
3.
Malfunctions:
a.
Replace the seals.
b.
Have a qualified technician
service the tool.
1.
Drain oil to the proper level.
2.
Clean and lubricate all moving
parts.
3.
See Care & Maintenance -
Flushing the Valve.
1.
Add oil to the proper level.
2.
Bleed air from the system.
Suggested Solution(s)
1.
Reduce weight of load.
2.
Use a heavier winch.
1.
Replace the gear assembly.
2.
Replace winch.
Replace wire rope or strap.
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