5 Maintenance
Troubleshooting
d3921511
3
¾ Insert Allen key (SW 5 mm) through hole in
floor plate and unscrew socket head screw
(3) about 8 turns.
¾ Sit on driver’s seat.
¾ Press down handle of parking brak
e.
Symbol on indicator unit will be extinguished.
¾ Move Stop pedal several times in easy-
movement range until resistance is felt
(pump max. 10 strokes) until brake is re-
leased .
After towing
¾ Place chocks underneath on side
facing
downhill.
¾ Open motor hood.
¾ Release sealing collar nut (1) on variable
pump.
¾ Insert threaded stud (2) (SW 8 mm), t
ighten
to 20
+5
Nm.
¾ Lock threaded stud with sealing collar nut
(1).
¾ Tighten nut to 80 Nm.
Restore braking
¾ Insert socket head screw (3) until
stop in
valve block.
¾ Replace floormat and close motor hood.
DANGER
The truck must not be driven if the braking system
is defective.
After repairs to the braking system check function.
If defects in the the braking system occur , contact
your authorised dealer.
192 Operating Instructions – 393 807 1001 EN – 08/2008
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