DV11
Operation and Maintenance
147
Common Rail Fuel-injection System
Printed in Mar. 2005 PS-MMA0608-E1A
1.
Remove the capscrew, washer,
spring and master piston from the
brake housing
.
2.
If the hard facing is damaged,
inspect the corresponding rocker
arm adjusting screws for excessive
wear or pitting.
3.
If binding occurs, check for damage
to the master piston or bore. Replace as needed.
4.
Reassemble in reverse order. When tightening the capscrew, make certain the
two spring tabs do not interface with sides of the master piston center raised
portion
.
Master piston
tighten torque
12.5 Nm
3.6.8. Slave piston
CAUTION:
Wear safety glasses. The slave
piston is retained by springs that
are under heavy compression. If the
following instructions are not
followed and proper tools not used,
the springs will be discharged with
enough force to cause personal
injury
.
1.
Remove the locknut on the slave piston adjusting screw. Back out the adjusting
screw until the slave piston is fully retracted
.
2.
Place the hole in the slave piston clamp fixture over the slave piston adjusting
screw. Replace locknut. Finger tighten to hold fixture securely
.
3.
While holding the fixture in position, screw the holder down over the slave piston
until the spring retainer is contacted
.
4.
Turn the handle slowly until the retainer is depressed to about 1 mm, relieving
pressure against the retaining ring
.
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