FAULT REMEDY
7. Boom cannot be lifted
Refer to item 6.
The solenoid valve is in the neutral or in the
lowering position.
Remedy as instructed above in conjunction
with the seizure of the electric valve spool.
8. Telescope movement does not operate
Refer to item 6.
Check that the solenoid valve of the
telescope is not stuck in the centre or in the
lowering position.
5.3. DRIFTING OF BOOM OR OUTRIGGERS
10. Boom drifts slowly downwards
The load regulation valve leaks.
Remove and clean the valve.
Checktheconditionoftheo-rings.
Installthevalvecarefully-thecorrect
tightening torque is 60 Nm.
If necessary, replace the valve.
9. Telescope retracts slowly
The load regulation valve leaks.
See item 10.