50 - 4
Calliper Dismantling and Assembly
Dismantling
The numerical sequence shown on the illustration on the
adjacent page is intended as a guide to dismantling.
!
WARNING
This is a safety critical installation. Do not attempt to do
this procedure unless you are skilled and competent to
do so.
Installation and mounting of the parking brake calliper
requires tightening of the mounting bolts to a specific
torque figure. Do not attempt to do this job unless you
have the correct tools available.
0010
!
WARNING
Before working on the parking brake, park on level
ground and put chocks each side of all four wheels. Stop
the engine and disconnect the battery so that the engine
cannot be started. If you do not take these precautions
the machine could run over you.
BRAK 8-8
!
WARNING
Brake pads generate dust which if inhaled, may
endanger health. Wash off the calliper before
commencing work. Clean hands thoroughly after work.
13-3-1-3
1
Remove the calliper and brake pads, refer to
Calliper -
Removal and Replacement
.
2
Bend the tabs on anti-rotation clip
4
. Remove bolt
3
,
anti-rotation clip
4
and washers
5
and
6
. Hold lever
7
against the tension of the spring as the bolt is removed.
3
Note the position of lever
7
and the splines of the shaft.
Mark the end of the shaft and lever
7
to aid assembly.
Remove lever
7
and spring
8
.
4
Push out rotor
9
and remove ball spacer
10
and ball
bearings
11
. Take care not to lose the ball bearings.
5
Push out mounting bushes
12
and remove O-rings
13
.
Note:
Shaft seal
14
will not need to be renewed unless
excessively worn or damaged. If removal is necessary, press
the seal out from inside the housing using a suitable spacer
block and bench press. Clean out any remains of the seal
after removal.
Inspection
1
Clean and dry all parts. Check all parts are free from
excessive wear, damage or corrosion. Light scores or
stains should be removed. Renew corroded or deeply
scored parts.
2
Check rotor
9
for damage or distortion. Renew if
necessary.
Always renew both brake pads if the parking brake has
been used in an emergency.
3
Check the ball pockets in housing
15
for signs of
scoring, pitting, damage or corrosion. Renew the
housing if damaged.
4
Check spring
8
is not broken or distorted.
5
Check the condition of the disc surface. Renew the disc
if badly warped, pitted or worn.
Section G
9803/3280
Section G
50 - 4
Issue 1
Parking Brake
