Releasingthe spring-loadedparking
brake
Arrangementofthe spring-loaded
parkingbrake cylinders
:
Spring-loaded parking brake cylinder
(example)
The arrangement of the spring-loaded parking
brake cylinders on the rearaxledepends on
the axleequipment.
Positioning on the rearaxle(s)
1 2
4x2 x –
6x4 x x
Manuallyreleasingthe spring-loaded
parkingbrake cylinder
!
Releasethe release screwwithamaxi-
mum of 52 lb-ft (70 Nm).Donot usean
impact wrench. Youcould otherwise dam-
agethe spring-loaded brake cylinder.
Spring-loaded parking brake cylinder with release
screw
Spring-loaded parking brake cylinder with release
screwand release indicator
:
Spring-loaded parking brake cylinder
;
Releasescrew
3
Drive position
4
Released position
If there is insufficient reservoir pressure to
release the parking brake, release the spring-
loaded parking brake cylinders mechanically in
the event of an emergency.
The vehicles may be fittedwithdifferent types
of spring-loaded parking brake cylinders
depending on the axle, e.g. spring-loaded park-
ing brake cylinders with arelease screwor
with arelease indicator. Releaseall the spring-
loaded parking brake cylinders on the vehicle.
X
Use chocks to safeguard the vehicleagainst
rolling away.
X
Turn release screw ; of spring-loaded
parking brake cylinder : anti-clockwise
untilthe stop in release position 4.
190
Jump-starting, tow-startingand towingaway
Breakdown assistance
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