A SERVICE OF

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Operating Instructions Vehicle Recovery and Spring Brakes
Medium Duty
(R10/06) Y53-6008 – 111 –
1. Remove the cap from the
spring chamber.
2. Remove the release stud
assembly from the side pocket,
and remove the release nut and
washer from the release stud.
3. Slide out the release stud.
4. Insert the release stud through
the opening in the spring cham-
ber where the cap was removed.
Insert it into the pressure plate.
Turn the release stud 1/4 turn
clockwise in the pressure plate.
This secures the cross pin into
the cross pin area of the pressure
plate and locks it into the manual
release position.
5. Assemble the release stud
washer and nut on the release
stud.
6. With a wrench, turn the
release stud assembly nut until
the compression spring is 90–95
percent caged. While doing this,
check to make sure the push rod
(adapter push rod or service