MECHANICAL BRAKES
Page K-21
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.
Install adjuster mechanism (driver side silver, passenger
side gold). Be sure that the two teflon coated washers
are installed as shown (Ref Fig. 24). The adjusting
screw must be screwed into the star wheel nut until only
1 - 2 threads are exposed (Ref Fig. 27).
Install the actuator piston. Be sure the hardened shim
washer is installed as shown (Ref Fig. 24).
Always replace both brake shoes on both wheels as a
set. Install the shoes as indicated and install the shoe
clamp (5) over the shoe clamp pin (4) and rotate 90° to
lock them in place (Ref Fig. 26).
Install new brake shoe and adjuster springs. The hooked
end of the adjuster spring is inserted through the front of
the front shoe as shown (Ref Fig. 26). The opposite end
of the adjuster spring is hooked to the adjuster with the
hook end facing out. The brake shoe springs must be
installed with the light spring closest to the adjuster
mechanism with the hook installed down through the
rear brake shoe and up through the front brake shoe.
The heavy top spring is installed with both spring hooks
installed down through the brake shoes. Check to see
that the brake is functioning properly.
Install the brake drum. “Brake Drum Removal and Installa-
tion” on page J 18
Repeat on other side of vehicle.
Adjust the brake pedal free travel. “Adjusting Brake Pedal
Brake Cable and Equalizer Assembly
Removal and Installation
The brake cables and equalizer are only serviceable as a com-
plete assembly.
Remove the cotter pins and clevis pins connecting the
brake cables to the brake levers. Remove the retaining
rings connecting the brake cables to their brackets at the
axle (rear of cable) and at the frame (front of cable).
Loosen and remove the jam nut and the spherical nut on
the equalizer link (Ref Fig. 28). Inspect the hardware
and replace if needed. Remove the brake cable and
equalizer assembly and discard.
Slide the equalizer link of the new assembly over the
compensator rod. Loosely install the spherical nut and
new locking jam nut. Insert the cables into the frame and
axle brackets. Install new retaining rings. Connect the
Fig. 26 Brake Shoes and Springs
1
Heavy Shoe Spring
2
3
Light Shoe
Spring
Adjuster
Spring
Shoe
Clamp
Pin
5
Shoe Clamp
4
Fig. 27 Setting Adjuster Screw
New Brake Shoes
Screw Adjusting Screw In
Until 1 - 2 Threads Are Exposed
Existing Brake Shoes
Adjust 'in' 10 - 15 'clicks' (Minimum of
1 - 2 Threads Must Be Exposed)
NOTICE
