20
10. Troubleshooting
Fault
Check
Cause
Solution
Cylinder does not
extend,
extends too slow
-
ly or stops when
extending
Check the hydrau
-
lic fluid level in the
pump supplying the
fluid.
Insufficient hydrau
-
lic fluid in the hand
pump.
Refill the hydraulic
fluid.
Check that the
pressure relief valve
on the hand pump is
closed.
Pressure relief valve
on hand pump open.
Close the pressure
relief valve on the
hand pump.
Check that all
couplings are fully
tightened.
Hydraulic coupling
loose.
Tighten hydraulic
coupling.
Air in hydraulic sys
-
tem.
Vent hydraulic sys
-
tem in accordance
with section 6.1.
Check the cylinder
for damage.
Cylinder piston jams.
Have the damage
repaired by an
authorised dealer, by
personnel specially
trained by LUKAS,
or by LUKAS itself.
9.3.5 Decals
All damaged and/or illegible labels (safety notices, type plate, etc.) must be replaced.
Procedure:
1. Remove damaged and/or illegible decals.
2. Clean surfaces with acetone or industrial alcohol.
3. Affix new decals.
Take care to affix the labels in the correct positions. If this is no longer known, you should ask
your authorised LUKAS dealer or contact LUKAS directly.