DINO 240RXT
70
FAULT REMEDY
6. Disturbance of platform movements - only one of the movements is operational
Irregular and indefinite malfunctions.
Check that the hydraulic oil and the filters have
been changed.
Thoroughly clean the solenoid valve spools and
housings (requires utmost cleanliness - not all
contaminants can be spotted with the naked eye).
Also temporary contact failures in the joysticks
may cause malfunctions.
Spray with moisture repellent.
None of the boom movements is operational, the
red signal light on the platform is flashing and
the buzzer sounds.
Overloading of the boom has occurred, at first
retract the telescope using the separate button
and try again.
7. Boom drifts slowly downwards
The load regulation valve leaks.
Remove and clean the valve.
Check the condition of the o-rings.
Install the valve carefully - the correct
tightening torque is 60 Nm.
If necessary, replace the valve.
8. Boom cannot be lifted
Refer to item 4.
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.
9. Telescope movement does not operate
Refer to item 4.
Check that the solenoid valve of the telescope is
not stuck in the centre or in the lowering
position.