DAF 95XF. Manual — part 796
1
DIAGNOSTICS
Cab suspension
2-4
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Seats
DIAGNOSTICS
3-1
3. SEATS
3.1 FAULT-FINDING TABLE, ISRINGHAUSEN 6800 SERIES
COMPLAINT: SEAT FAILS TO RISE
Possible cause
Remedy
Insufficient system pressure.
Check air supply to the seat.
Blocked bleeding system.
Check bleeding system.
The level control valve pins do not touch the
running surface of the control discs.
Place seat in its highest position.
COMPLAINT: SEAT MOVES UP AND DOWN INDEPENDENTLY (UNLOADED)
Possible cause
Remedy
Not a functioning fault, but excessive
resistance in the system itself.
COMPLAINT: SEAT MOVES UP AND DOWN INDEPENDENTLY (LOADED)
Possible cause
Remedy
Leaking pneumatic system
Check level control valve, air suspension and
air pipes for leakage. Replace components or
repair air pipe.
Cylinder in control disc unit fails to return to
the original position.
Loosen cylinder attachment screws and
tighten slightly (2 Nm).
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DIAGNOSTICS
Seats
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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Contents
INTERNAL CAB COMPONENTS
1
CONTENTS
Page
Date
1.
SAFETY INSTRUCTIONS
1-1
0209
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2.
GENERAL
2-1
0209
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2.1
Overview drawing, interior cab components
2-1
0209
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. . . . . .
2.2
Overview drawing, steering column
2-5
0209
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. . . . . .
2.3
System description, steering column
2-6
0209
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3.
INSPECTION AND ADJUSTMENT
3-1
0209
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3.1
Inspection, steering column setting valve
3-1
0209
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3.2
Inspection, fastening of universal joint to steering box input shaft
3-1
0209
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. . . . . .
3.3
Adjustment, roller sun blind
3-2
0209
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. . . . . .
4.
REMOVAL AND INSTALLATION
4-1
0209
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. . . . . .
4.1
Removal and installation, switches
4-1
0209
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. . . . . .
4.2
Removal and installation, instrument panel
4-2
0209
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. . . . . .
4.3
Removal and installation, radio panel
4-3
0209
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. . . . . .
4.4
Removal and installation, lower central console storage compartment
4-3
0209
. . . .
. . . . . .
4.5
Removal and installation, upper central console storage compartment
4-4
0209
. . .
. . . . . .
4.6
Removal and installation, extendable table
4-4
0209
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4.7
Removal and installation, central console control panel
4-5
0209
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. . . . . .
4.8
Removal and installation, dashboard on co-driver’s side
4-6
0209
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. . . . . .
4.9
Removal and installation, pneumatic switch/pneumatic valve for
steering column setting
4-10
0209
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. . . . .
4.10 Removal and installation, steering column panels
4-11
0209
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4.11
Removal and installation, steering column
4-12
0209
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4.12 Removal and installation, steering wheel
4-14
0209
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. . . . .
4.13 Removal and installation, ignition lock
4-15
0209
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4.14 Removal and installation, floor plate on co-driver’s side
4-16
0209
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4.15 Removal and installation, accelerator pedal
4-17
0209
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4.16 Removal and installation, brake pedal
4-18
0209
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4.17 Removal and installation, clutch pedal
4-18
0209
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4.18 Removal and installation, engine brake switch
4-20
0209
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. . . . .
4.19 Removal and installation, parking brake switch/brake light switch
4-21
0209
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4.20 Removal and installation, door panel
4-22
0209
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4.21 Removal and installation, door locking mechanism
4-25
0209
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4.22 Removal and installation, manually operated window mechanism
4-27
0209
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4.23 Removal and installation, electrically operated window mechanism
4-28
0209
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4.24 Removal and installation, interior lighting
4-29
0209
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4.25 Removal and installation of roof console in Space Cab and Comfort Cab
to install accessories
4-30
0209
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. . . . .
4.26 Removal and installation of roof console components in Super Space Cab
to install accessories
4-32
0209
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