LGP10DE1IENS001
24
EN
The max. pressure valve is sealed by the manufacturer.
In cases of failures ensuing from it, send the to the
maintenance centre of your authorized dealer of the
OMCN S.p.A.
If problems persist even after applying the above solutions,
contact OMCN S.p.A. and avoid any non-specific
operations.
Only purchase original spare parts.
The list of spare parts
is included in this instruction handbook.
Use only original OMCN spare parts for maintenance
operations. The manufacturer cannot be held responsible for
any damage caused by the use of unoriginal fittings.
The use of non-original spare parts will instantly
invalidate the warranty.
10.0.
TROUBLESHOOTING
TABLE
The interventions must be carried out by
technical staff specialized in mechanics
and the hydraulic.
WARNING
!
Table 3
Possible cause
Remedy
Maximum pressure valve dirty or
demaged.
Remove the pump-cylinder unit of the crane and send
it to the maintenance centre og your authorized dealer.
Dirty or damaged lowering device.
Slip off the lowering device, clean it up carefully and
put it back on (2 FIG. 12) handle with care
.
Cylinder gasckets worm out.
Remove the pump-cylinder unit of the crane and send
it to the maintenance centre og your authorized dealer.
Check valve dirty or damaged.
Remove the pump-cylinder unit of the crane and send
it to the maintenance centre og your authorized dealer.
The gaskets of the pumping unit
have yielded.
Remove the pump-cylinder unit of the crane and send
it to the maintenance centre og your authorized dealer.
Lack
of oil in
the tank.
Add oil into the tank through the plug hole, as
indicated in the “routine maintenance” chapter.
The cylinder gaskets have yielded.
Remove the piston-pump unit and replace the cylinder
gaskets.Otherwise, send the unit to your authorized
dealer for repair.
Dirty or damaged lowering device.
Slip off the lowering device, clean it up carefully and
put it back on (2 FIG. 12) handle with care
.
Lowering valve out of calibration or
failing to operate.
Remove the pump-cylinder unit of the crane and send
it to the maintenance centre og your authorized dealer.
Symptom
The crome arm does not lift
the rated weight
Following the pumping action
the arm rises, but it moves
down to the previous position
soon after.
The crane arm rises just a
little after each pumping.
The crame arm does not
remain in position.
Speed is too high during the
lowering run.