Rear Brake Drum Removal And Installation; Brake Shoe And Adjusting Screw Removal And Installation; Backing Off Brake Adjustment; Retracting Spring Removal - Ford 1964 F-100 Shop Manual

2-10
G R O U P 2-BRAKES
tire to the hub and start the retain-
ing nuts.
3. Position the wheel assembly on
the spindle.
O n trucks with 4-wheel drive, in-
stall the bearing adjusting nut with
the dowel outboard. Install the ad-
justing nut lock on the dowel and
install the lock nut to specifications.
Slide the driving hub on the axle
shaft and install the snap ring.
4. Adjust the spindle nut and in-
stall the cotter pin.
5. Adjust the brake, and then
torque the wheel nuts.
6. Install the dust cap or hub cap.
7. R e m o v e the stands and lower
the truck.
REAR BRAKE DRUM
REMOVAL
1. Raise the truck so that the
wheel is clear of the floor.
2. R e m o v e the hub cap and wheel
and tire assembly. R e m o v e the three
Tinnerman nuts and remove the
brake drum.
If the brake drum will not come
off, insert a narrow screw driver
through the brake adjusting hole in
the carrier plate, and disengage the
adjusting lever from the adjusting
screw. While thus holding the ad-
justing lever away from the adjust-
ing screw, back off the adjusting
screw with the brake adjusting tool
(Fig. 3). Back off the adjustment
only if the drum cannot be removed.
Be very careful not to burr, chip, or
damage the notches in the adjusting
screw; otherwise, the self adjusting
mechanism will not function prop-
erly.
FIG. 3—Backing Off Brake
Adjustment
INSTALLATION
1. Place the drum over the brake
assembly and into position. Install
the three Tinnerman nuts and tighten
securely.
If i t was necessary to back off the
brake adjustment, in step 2 above,
adjust the brakes as outlined in Sec-
tion 2.
2. Install the wheel and tire as-
sembly and hub cap.
BRAKE SHOE 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. 4.
2. Contract the shoes as follows:
a. Disengage the adjusting lever
from the adjusting screw by pulling
backward on the adjusting lever
(Fig. 1).
b. M o v e the outboard side of the
adjusting screw upward and back off
the pivot nut as far as i t will go.
3. Pull the adjusting lever, cable
and automatic adjuster spring d o w n
and toward the rear to unhook the
pivot hook from the large hole in
the secondary shoe web. D o not at-
tempt to pry the pivot hook out of
the hole.
4. R e m o v e the automatic adjuster
spring and adjusting lever.
O n front brakes, remove the shoe
retracting assist spring.
5. R e m o v e the secondary shoe to
anchor spring with the tool shown in
Fig. 4. With the same tool, remove
FIG. 4—Retracting Spring
Removal
the primary shoe to anchor spring
and unhook the cable anchor.
6. R e m o v e the cable guide from
the secondary shoe (Fig. 1).
7. R e m o v e the shoe hold-down
springs, shoes, adjusting screw, pivot
nut, and socket.
8. O n 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 with the spring washer and re-
taining clip.
2. Apply a light coating of high-
temperature grease at the points
where the brake shoes contact the
carrier plate.
3. Position the brake shoes on the
carrier plate, and install the hold-
d o w n spring pins, springs, and cups.
O n the rear brake, install the park-
ing brake link and spring. Connect
the parking brake cable to the park-
ing brake lever (Fig. 1).
4. Place the cable anchor over the
anchor pin with the crimped side
toward the carrier plate.
5. Install the primary shoe to an-
chor spring with the tool shown in
Fig. 5.
6. Install the cable guide on the
secondary shoe w e b with the flanged
FIG. 5—Retracting Spring
Installation