Installation - Ford Mercury Colony 1968 Shop Manual

2-16 GROUP 2 - Brakes
H 1411-B
FIG. 12—Measuring Drum
6. Install the wheels on the durms
and tighten the nuts to specification.
7. Complete the adjustment by ap-
plying the brakes several times with
a minimum of 50 lbs pressure on the
pedal while backing the vehicle. After
each stop the vehicle must be moved
forward.
8. After the brake shoes have been
properly adjusted, check the opera-
tion of the brakes by making several
stops while operating in a forward
direction.
FRONT BRAKE DRUM
REMOVAL
1. Raise the vehicle until the wheel
and tire clear the floor. Remove the
wheel cover or hub cap, and remove
the wheel and tire from the drum.
2. Remove the grease cap from
the hub. Remove the cotter pin, nut
lock, adjusting nut, and flat washer
from the spindle. Remove the outer
bearing cone and roller assembly.
3. Pull the drum off the wheel
spindle.
4. If the drum will not come off,
pry the rubber cover from the brake
backing plate. Insert a narrow screw-
driver through the slot and disengage
the adjusting lever from the adjusting
screw. While holding the adjusting
lever away from the screw, back off
the adjusting screw with the brake
adjusting tool (Fig. 14). Be very care-
ful not to burr, chip, or damage
the notches in the adjusting screw;
otherwise the self-adjusting mechanism
will not function properly.
INSTALLATION
1. If the drum is being replaced,
remove the protective coating from
the new drum with carburetor de-
greaser. Then, use sandpaper to in-
sure that no residue remains. Wipe
the drum with a cloth soaked with de-
natured alcohol. Install new bearings
H 1 4 1 2 - B
FIG. 13—Measuring Shoes
and grease seal. Pack the wheel
bearings, install the inner bearing
cone and roller assembly in the inner
cup, and install the new grease seal
see Part 3-5, Section 4.
If the original drum is being in-
stalled, make sure that the grease in
the hub is clean and adequate.
2. Adjust the brakes and install
the drum assembly as outlined under
Brake Shoe Adjustments in this sec-
tion.
3. Install the outer wheel bearing,
washer and adjusting nut.
4. Adjust the wheel bearing as out-
lined in Part 3-7, Section 2, then in-
stall the grease cap. Install the wheel
and hub cap.
REAR BRAKE DRUM
REMOVAL
1. Raise the vehicle so that the
tire is clear of the floor.
2. Remove the hub cap and wheel.
Remove the three Tinnerman nuts
and remove the brake drum. If the
drum will not come off, pry the rubber
cover from the backing plate. In-
sert a narrow screwdriver through the
hole in the backing plate, and disen-
gage the adjusting lever from the
adjusting screw. While holding the ad-
justing lever away from the adjust-
ing screw, back off the adjusting
screw with the brake adjusting tool
(Fig. 14). Be very careful not to burr,
chip, or damage the notches in the ad-
justing screw; otherwise, the self- ad-
justing mechanism will not function
properly.
INSTALLATION
1. Remove the protective coating
from a new drum with carburetor
degreaser; then sand lightly and wipe
with a cloth soaked with denatured
alcohol.
2. Adjust the brakes as outlined
under Brake Shoe Adjustments in this
MOVE HANDLE
UPWARDS
H I 144-B
FIG. 14— Backing Off Brake
Adjustment
section. Place the drum over the
brake assembly and into position.
3. Install the three Tinnerman nuts
and tighten securely. Install the wheel
on the axle shaft flange studs against
the drum, and tighten the attaching
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.
15.
2. Remove the secondary shoe to
anchor spring with the tool shown in
Fig. 15. With the same tool remove
the primary shoe to anchor spring and
unhook the cable eye from the anchor
pin.
3. Remove the shoe guide (anchor
pin) plate (Fig. 8).
4. Remove the shoe hold-down
springs, shoes, adjusting screw, pivot
nut, socket and automatic adjust-
ment parts.
5. On rear brakes, remove the
parking brake link and spring. Dis-
connect the parking brake cable from
the parking brake lever.
6. After removing the rear brake
secondary shoe, disassemble the
parking brake lever from the shoe by
removing the retaining clip and
spring washer (Fig. 8).
INSTALLATION
1. Before installing the rear brake
shoes, assemble the parking brake
lever to the secondary shoe and secure
with the spring washer and retaining
clip.
2. Apply a light coating of high-