Chevrolet Light Duty Truck 1973 Service Manual page 311

HOLD
D O W N
PIN
BACKING
PLATE
Inspection
Replace any worn or broken parts.
Installation
1. Place the flange plate in position on the rear
bearing retainer and fasten with four bolts. Torque
bolts to 24 foot pounds.
See "Caution" on Page I of t h i s
CAUTION:
s e c t i o n .
2. Install transmission output flange on spline of
mainshaft and fasten with flange nut. Torque nut to
foot pounds.
100
"
See Caution" on Page 1 of t h i s
CAUTION:
s e c t i o n .
3. Install cable assembly from back of flange plate.
Push retainer through hole in flange plate until
tangs securely grip the inner side of the plate.
4. Place washer and reinforcement over the threaded
end of anchor pin. Hold anchor pin nut (flat side
against flange on flange plate) in position behind
flange plate and insert threaded end of anchor pin
from front side. Thread the anchor pin into nut and
tighten securely (140 foot pounds torque). Bend
tang of washer over reinforcement and side of
washer over hex of anchor pin.
"
See Caution
CAUTION:
s e c t i o n .
W A V E
WASHER
BRAKE
LEVER
BRAKE
CABLE
Fig. 7 8 -Internal Expanding Brake Components
"
on Page 1 of t h i s
RETURN
SPRINGS
HOLD D O W N
WASHER. SPRING , CUP
5. Install lever on cable by compressing spring and
inserting cable in channel of lever. Release spring.
. Install primary shoe (short lining) to lever as
6
follows: Place pin in lever, place washer on pin and
push pin through hole in primary shoe. Fasten
parts together by installing the clip in groove of
pin.
See "Caution" on Page 1 of t h i s
CAUTION:
s e c t i o n .
7. Fasten two brake shoes and linings together by
installing connecting spring. Move the shoes toward
each other and install adjusting screw.
. Lubricate the flange plate contact surfaces with a
8
very light coat of Delco Brake Lube #5450032 (or
equivalent).
9. Place shoe and linings in position on flange plate.
NOTE: When facing the brake assembly, the
shoe with the short lining should be to the
left with the lever assembled to it.
10.
Pull brake shoes apart and install strut lever and
spring between them. The loop on the strut spring
should be in the "up" position.
11.
Install hold down pins, washers, springs and cups
from flange plate to shoes.
BRAKES 5-45
DRUM
LIGHT DUTY TRUCK SERVICE MANUAL