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2-16
2.
Adjust the brakes and install the
drum
assembly as outlined
under
Brake
Shoe Adjustments on
Page 2-14.
3.
Install the outer wheel
bearing,
washer and
adjusting
nut.
4.
A<!just
the wheel
be-.uing as
out-
lined
Group 3,
then
install
the
grease
cap. Install
the wheel and hub
cap.
REAR BRAKE DRUM
REMOVAL
l. Raise the vehicle so that the tire
is clear of the floor
.
l.
Remove the hub cap and wheel.
Remove the drum from the axle
·
flange.
If the dtum
will not
come off,
pry
the rubber cover from the
backing
plate.
Insert a narrow
screwdriver
through
the hole in the
backing plate,
and
disengage
the
adjusting lever
from
the
adjusting
screw.
While holding
the
adjusting
lever away from the ad-
justing screw,
back off the
adjusting
screw with
the
brake adjusting tool
(Fig.
18).
Be
very
careful
not
to
burr,
chip,
or
damage
the
notches
in
the
adjusting
screw;
otherwise,
the self-
adjusting
mechanism
will
not
function properly.
INSTALLATION
1.
Remove the
protective coating
from a new drum with
carburetor
de-
greaser; then sand lightly and wipe
with a cloth soaked with
denatured
al-
cohol.
l.
Adjust
the brakes as
outlined
under
Brake
Shoe
Adjustments
on
Page
2-14. Place the
drum over
the
brake assembly
and into
position.
3. Install the wheel on the axle
shaft
flange
studs
against
the drum,
and
tighten
the
attaching
nuts to
specifications.
BRAKE SHOES AND
ADJUSTING SCREW -
DRUM BRAKES
REMOVAL
1.
With the wheel and drum re-
moved install a clamp over the ends of
the brake
cylinder
as shown jn Fig.
19.
l.
Remove the
secondary
shoe to
anchor spring with
the tool
shown in
Fig.
19.
With
the same tool remove
the
primary
shoe to anchor spring and
unhook the cable eye from
the
anchor
oin.
GROUP
2-BRAKES
3. Remove
the
shoe
hold-down
springs, shoes, adjusting screw, pivot
nut, socket and automatic adjustment
parts.
4. On
rear
brakes,
remove
the
parking
brake link and spring. Dis-
connect the
parking
brake.
cable from
the
parking brake
lever.
5.
After removing the rear brdke
secondary shoe,
disassemble
the park·
ing brake lever from the shoe by re-
moving
the
retaining
clip and spring
w11sher.
INSTALLATION
l. Before
installing
the rear brake
shoes, assemble the
parking
brake
lever to the secondary shoe
and
secure
with the spring washer and retaining
clip.
l.
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 the assembly
with the
hold down springs. On the
rear brake, install the
parking
brake
link and spring, back
off the
parking
H1590·A
FIG. 18
-
.Backing Off Brake
Adjustment
FIG. 19- Retracting Spring
Removal- Typical
FIG. 20
-
Retracting Spring
Installation- Typical
ADJUSnNG
LEVER
FIG. 21- Adjusting Screw
and Lever Identification
brake adjustment then connect the
parking brake cable to the parking
brake lever
.
4.
Place the cable eye over the an-
chor pin with the crimped side toward
the
backing
plate.
5.
Install the primary
·
shoe to an-
chor spring
6.
Install the cable guide on the
secondary shoe web with the flanged
hole fitted into the hole in the second-
ary
shoe
web.
Thread
the
cable
around the cable guide groove
(Fig.
IS).
·
It
is
imperative
that the cable be
p'ositioned in this
groove and not be-
tween
the guide
and the shoe web.
7. Install the secondary shoe
to·
an-
chor spring with the tool shown in
Fig.
20.
Be
certain that the cable eye is not
cocked or
binding
on the anchor pin
when installed. All parts should be flat
on the anchor pin. Remove the brake
cylinder clamp.
8.
Apply
high-temperature
grease
to the threads and
the
socket end of
the
adjusting
screw
.
Turn
the
adjusting screw into the ad-
justing pivot nut to the limit of the
threads
and then back off
1/2
turn.
Interchanging
the brake shoe ad-
justing screw
assemblies
from one side
of the ,·ehicle to the other would cause
the brake shoes to retract rather than
expand each time the automatic ad-
justing
mechanism operated.
To pre-
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