DAF 95XF Series Manual page 41

1
95XF series
3. SEATS
3.1 FAULT-FINDING TABLE, ISRINGHAUSEN 6800 SERIES
Possible cause
Insufficient system pressure.
Blocked bleeding system.
The level control valve pins do not touch the
running surface of the control discs.
COMPLAINT: SEAT MOVES UP AND DOWN INDEPENDENTLY (UNLOADED)
Possible cause
Not a functioning fault, but excessive
resistance in the system itself.
COMPLAINT: SEAT MOVES UP AND DOWN INDEPENDENTLY (LOADED)
Possible cause
Leaking pneumatic system
Cylinder in control disc unit fails to return to
the original position.
0209
COMPLAINT: SEAT FAILS TO RISE
Check air supply to the seat.
Check bleeding system.
Place seat in its highest position.
Check level control valve, air suspension and
air pipes for leakage. Replace components or
repair air pipe.
Loosen cylinder attachment screws and
tighten slightly (2 Nm).
DIAGNOSTICS
Remedy
Remedy
Remedy
Seats
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3-1