Faults In The Crane - Jonsered 1250RZ Operator's Manual

8.6.2. Faults in the crane

Faults in the crane must be rectified immediately.
DANGER
• Only correct yourself the faults that according to the table you may rectify.
• Follow the instructions exactly!
• All other faults may be dealt with only by personnel in a HIAB service workshop!
Fault
The hydraulic pump makes a
noise. Three causes: Warning!
Stop using the crane
immediately!
The stabiliser extensions do not
slide out.
The slewing movements are
irregular or cause abnormal
noises.
Add-on equipment does not work
properly.
Leak on hydraulic system: leaking
coupling, hose or line.
Danger! Keep well away from
an oil leak.
Maintenance and Service
Probable cause
Oil tank filler cap air
filter is blocked.
Oil level in the tank is
too low.
The pump is faulty.
The extensions are
still locked.
Hydraulic fault.
Insufficient oil in the
hydraulic system.
Insufficient oil in the
gear box.
Bearing assemblies
and pinion are not
properly lubricated.
Bearing assemblies
or pinion are
damaged.
Connectors not
properly connected.
Other defect.
Jonsered 1250RZ -1500RZ safety+R CE
Action
Clear the blockage or replace
the entire filler cap.
Top up the oil tank and bleed
the hydraulic system.
Go to a HIAB service
workshop.
Unlock the extensions.
Go to a HIAB service
workshop.
Top up the oil tank.
Top up the oil in the gear box
to the required level.
Lubricate the bearing while
slewing.
Go to a HIAB service
workshop.
Reconnect the add-on
equipment according to the
instructions.
Go to a HIAB service
workshop.
1. Press a Stop button.
2. Disengage the PTO.
3. Contact a HIAB service
workshop.
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