Dino lift DINO 185XTS, Руководство по эксплуатации, Страница: 90 / 121

90
FAULT REMEDY
7. Boom drifts slowly downwards
The load regulation valve leaks.
Remove and clean the valve.
Check the condition of the o-rings.
Carefully install the valve in place.
If necessary, replace the valve (see point
“Load regulation valves”).
8. Boom cannot be lifted
Too much load on the platform, check the
signal light.
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.
The lift turns when the lifting movement is
activated. Solenoid valve is stuck in turning position.
Wash carefully the spool and the block.
9. 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.
10. Telescope retracts slowly
The load regulation valve leaks. For remedy, refer to item 7.
11. Platform drifts backward
Double load regulation valve on the bottom
side is leaking.
For remedy, refer to item 7.
Load regulation valve under the platform is
leaking. For remedy, refer to item 7.
12. Platform drifts forward
Double load regulation valve on the rod side
is leaking. Measures as above.