GROUP
2-BRAKES
to burr, chip, or damage the
notches in the adjusting screw;
otherwise, the self-adjusting mech-
anism will not function properly.
If the adjustment was backed off,
make sure that the adjuster lever is
properly seated in the shoe web.
3.
Remove the grease cap from the
hub. Remove the cotter pin, nut lock,
adjusting nut, and flat washer from
the spindle. Remove the outer bear-
ing cone.
4.
Pull the hub and drum assembly
off the spindle.
INSTALLATION
1.
If the drum is being replaced,
remove the protective coating from
.the new drum with carburetor de-
greaser. Install new bearings and
grease retainer. Soak the new grease
retainer in light engine oil at least
30
minutes before installation. Pack
the wheel bearings, install the inner
bearing cone and roller assembly in
the inner cup, and install the new
grease retainer. See Part
3-4,
Sec-
tion
4.
If the original drum is being in-
stalled, make sure that the grease
in the hub is clean and adequate.
2.
Install the drum assembly, outer
wheel bearing, washer and the ad-
justing nut.
.
3.
Adjust the wheel bearing as out-
lined in Part 3-1, Section
2.
Install
the nut lock and cotter pin. Then
install the grease cap.
4.
Install the wheel and hub cap.
If the adjustment was backed off,
adjust the brake as outlined under
"Brake Shoe Adjustments".
.
'
REAR BRAKE DRUM
REMOVAL
1.
Raise the car so that the wheel
is clear of the floor.
2.
Remove the hub cap and wheel.
Remove the three Tinnerman nuts
and remove the brake drum.
If the brake drum will not come
off, insert a narrow screwdriver
through the brake adjusting hole in
the backing plate, to disengage the
adjusting lever from the adjusting
screw. While holding the adjusting
lever away from the adjusting screw,
back off the adjusting screw with
the brake adjusting tool (Fig.
7).
Back off the adjustment only if
the drum cannot be removed eas-
ily. Be very careful not to burr,
chip, or damage the notches in the
adjusting screw which may cause
malfunction in the self-adjusting
mechanism.
If the adjustment was
backed off, make sure that the ad-
juster lever is properly seated in the
shoe web.
INSTALLATION
1.
Remove the protective coating
from a new drum with carburetor
degreaser.
2.
Place the drum over the brake
assembly and into position. Adjust
the brakes as outlined under "Brake
Shoe Adjustments" in this section.
3.
Install the three Tinnerman nuts
and tighten them securely. Install
the wheel on the axle shaft flange
studs against the drum, and tighten
the retaining nuts to specifications.
BRAKE SHOES AND
ADJUSTING
SCREW
REMOVAL
1.
With the wheel and drum re-
moved, install a clamp over the ends
of the brake cylinder as shown in
Fig.
8.
2.
Contract the shoes as follows:
a.
Disengage the adjusting lever
from the adjusting screw by
pulling backward on the ad-
justing lever (Fig. 1
).
b.
Move the outboard side of
the adjusting screw upward
and back off the pivot nut as
far as it will go.
3.
Pull the adjusting lever, cable
and automatic adjuster spring down
and toward the rear to unhook the
pivot hook from the large hole in
the secondary shoe web.
Do not
attempt to pry the pivot hook out
of the hole.
4.
Remove the automatic adjuster
spring and adjusting lever (Fig. 1
).
5.
On cars equipped with a 6-cyl-
inder engine, remove the secondary
shoe to anchor spring with'the tool
shown in Fig. 8. Unhook the cable
eye from the anchor pin. With the
same tool, remove the primary shoe
to anchor spring. On cars equipped
with an 8-cylinder engine, unhook
FIG.
8-Retracting
Spring Removal
the secondary and the primary shoe
to anchor springs. Unhook the cable
eye from the anchor pin.
6.
Remove the cable guide from
the secondary shoe (Fig. 1
).
7.
Remove the shoe hold-down
springs, shoes, adjusting screw, pivot
nut, and socket.
8.
On rear brakes, remove the
parking brake link and spring. Dis-
connect the parking brake cable
from the parking brake lever.
9.
After removing the rear brake
secondary shoe, disassemble the
parking brake lever from the shoe
by removing the retaining clip and
spring washer (Fig. 1
)
.
INSTALLATION
1.
Before installing the rear brake
shoes, assemble the parking brake
lever to the secondary shoe and se-
cure it with the spring washer and
retaining clip.
2.
Apply a light coating of high-
temperature grease at the points
where the brake shoes contact the
'
backing plate.
3.
Position the brake shoes on the
backing plate and secure them with
the hold down springs. On the rear
brake, install the parking brake link
and spring. Connect the parking
brake cable to the parking brake
lever.
4.
On a car equipped with an 8-
cylinder engine, position the adjuster
cable eye over the anchor pin with
the crimped side toward the back-
ing plate.
Install the cable guide on the sec-
ondary shoe web with the flanged
hole properly fitted into the hole in
the secondary shoe web. Install the
secondary shoe to anchor spring.
Install the primary shoe to anchor
spring.
5.
On a car equipped with a 6-
cylinder engine, install the cable
guide on the secondary shoe web
with the flanged hole properly fitted
into the hole in the secondary shoe
'
web. Install the secondary shoe to
anchor spring (Fig. 1).
Place the cable eye over the an-
chor pin with the crimped side
toward the backing plate. Install the
primary shoe to anchor spring with
the tool shown in Fig.
9.
6.
Thread the cable around the
cable guide groove.
It is imperative that the cable
be positioned in this groove and
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