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Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
cable to the wheel brake with clevis pin (installed from the
top downward) and a new cotter pin.
Install the brake assembly or backing plate to the axle
tube flange. Install new hardware (lock nut should not be
reused). Tighten the lock nut to the torque value specified
below.
Item
Torque Specification
2
23 - 27 ft. lbs. (31 - 36.5 Nm)
Brake Shoe Removal
NOTICE: When brake shoes are replaced, adjusters
and springs must also be replaced. Do one side at a
time, using the other side for reference.
Use pliers to compress the open end of the brake shoe
retainer springs (7) (Figure 24).
While holding the tension pin (2) with a second set of pli-
ers, turn the retainer spring 1/4 turn to align the slot in the
spring retainer with the flats in the tension pin. Remove
the brake shoe retainer springs.
Grasp the brake shoes (3) in the center and tilt them out
and away from the back mounting plate. To release the
tension in the brake springs (4). Remove the brake
springs and remove the brake shoes.
Inspect the brake shoes. If a brake shoe has less than
0.060 lining material thickness AT ANY POINT on either
shoe, both shoes MUST be replaced.
Check for free lateral (front and back) movement of the
adjusting mechanism and for free movement of the star
wheel.
653045
dust from brake assemblies.
Remove the boot from the brake lever. Clean any accu-
mulated brake dust from backing plate and adjuster
mechanism with a brush.
If the brake is being removed for an axle bearing and seal
replacement, the four bolts and nuts securing the brake
assembly to the rear axle must be removed.
When reinstalling the brake mounting bolts, tighten the
bolts to the torque value specified below.
Item
Bolts
Clean the backing plate with a commercial brake cleaner.
Allow to dry completely.
Lubricate friction points of the shoes and moving anchor
with Multi Purpose Grease (MPG) lubricant (Figure 22).
Repair and Service Manual
BRAKES
Wear a dust mask and eye protec-
tion when working on wheel brakes.
Do not use pressurized air to blow
Torque Specification
23 - 35 ft. lbs. (31 - 47 Nm)
B
55
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