DAF 95XF, Manual

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DIAGNOSTICS
Seats
95 XF
series
3-2
COMPLAINT: SEAT HEIGHT CANNOT BE ADJUSTED
Possible cause Remedy
Adjustment cylinder does not move. During upward operation of the height control
valve, check whether the pipe (16) blows off
and during downward operation, whether the
pipe (16, 17) blows off.
If so, replace the adjustment cylinder.
Defective height adjustment valve (E). Detach air pipes (9) and (11) from valve (D).
Check whether air is blown off during
operation. If not, check whether the control
button is controlling the valve.
Replace the valve or control button
(depending on the fault).
Defective switch valve (C). Disconnect air pipes (5) and (6) and operate
height control up and down.
If air escapes from the pipes (5) and (6),
replace the valve (C).
COMPLAINT: SEAT MOVES TO TOP-MOST POSITION AND IS NOT SPRUNG
Possible cause Remedy
Air connections not installed according to
diagram. Correct the incorrect connection(s).
COMPLAINT: BLOWS OFF CONTINUOUSLY AND IS PERMANENTLY IN TOP POSITION
Possible cause Remedy
Air connections not installed according to
diagram. Correct the incorrect connection(s).
COMPLAINT: SEAT FUNCTIONS BUT CANNOT MOVE DOWN
Possible cause Remedy
Kinks in air pipe. Check the air pipes for kinks.
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