MECHANICAL BRAKES
Page K-23
Repair and Service Manual
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notices, Cautions, Dangers and Warnings.
nents, do not attempt to re-new worn compo-
nents. The catch bracket is a hardened part.
Do not grind or file it as doing so will cause the
part to lose its hardness characteristics. A new
part must be used.
Remove the two bolts (1) and nuts (2) which secure the
catch bracket. Replace the catch bracket with a new
one, replace and tighten the hardware to 85 - 95 in. lbs.
(10 - 11 Nm) torque (Ref Fig. 30).
If required, adjust the kick-off cam (3). “Parking Brake
Kick-Off Cam Removal, Replacement and Installation” on
page J 23
Install wheel. See WHEELS AND TIRES section.
Parking Brake Pedal, Removal and Installa-
tion
Note the location and orientation of the two torsion
springs (8). Remove the push nut (9) and pin (10) (Ref
Fig. 29) and remove the parking brake pedal. Some
models may use two push nuts on the pin.
To prevent serious injury or death resulting
from the use of worn parking brake compo-
nents, do not attempt to re-new worn compo-
nents. The parking brake arm latch is a
hardened part. Do not grind or file it as doing
so will cause the part to lose its hardness
characteristics. A new part must be used.
Installation is in the reverse order of disassembly. Use a
new push nut (or push nuts).
If required, adjust the kick-off cam (3). “Parking Brake
Kick-Off Cam Removal, Replacement and Installation” on
Pedal Bumper Adjustment
Loosen the bumper lock nut and adjust the bumper by
rotating it (Ref Fig. 31). The brake pedal must contact
the pedal bumper when pedal is released and the
dimension from the top of the pedal arm to the setscrew
heads in the kick-off cam should be approximately 1/4" -
3/8” (6 - 9.5 mm).
Tighten the lock nut to 12 - 14 ft. lbs. (16 - 19 Nm).
Parking Brake Release Linkage Removal
and Replacement
Remove the cotter pin (2), washers (3) and bushings (4)
from linkage rod (1). Remove the linkage rod (Ref Fig.
32).
Inspect the bushings (4). If they are worn replace them
with new ones.
Installation is in the reverse order of disassembly.
If required, adjust the kick-off cam (6). “Parking Brake
Kick-Off Cam Removal, Replacement and Installation” on
Parking Brake Kick-Off Cam Removal,
Replacement and Installation
Disconnect the parking brake release linkage as
described above. Loosen the two setscrews (5) from the
cam (6) and remove the cam pivot (7), cam and spacer
(8) (Ref Fig. 32).
Inspect the bushings (9,10) and spacer. If they are worn,
replace them with new ones.
Installation is in the reverse order of disassembly.
Fig. 30 Catch Bracket and Latch Arm
Kick-Off
Cam
Set
Screw
Pedal Latch Arm
Catch
Bracket
Cam Must Be Against
Latch Arm At This Point
0.0" Gap
(0.0 mm)
Fig. 31 Pedal Bumper Adjustment
Pedal Bumper
Lock
Nut
1/4" - 3/8" (6 - 9.5 mm) Diameter
Drill or Bolt Must Pass
Through Gap