1800 SRM 1037
Parking Brake Caliper Repair
1.
O-RING
2.
BACKUP RING
3.
SPRING
RETAINING CAP
4.
PISTON
5.
STUD NUT
6.
HOUSING
Figure 5. Parking Brake Caliper
4.
Install the linings.
a. Linings
fastened
with
adhesive
and
setscrews:
(1)
Apply Loctite
®
271, or equivalent, to the
threads of the setscrews.
(2)
Install the setscrews in the piston and
the housing. The top of the screw must
have a clearance of 3 mm (0.12 in.) from
the surfaces of the piston and housing.
(3)
Apply 3M
®
Super 77 spray adhesive,
or equivalent, to the linings where con-
tact is made with the piston and the
housing.
Follow manufacturer’s in-
structions for use of spray adhesive.
(4)
Install the linings on the piston and the
housing.
b. Linings fastened with one-piece snaps:
(1)
Apply Loctite
®
271, or equivalent, to the
threads of the snap fastener screws.
(2)
Screw the snap onto the piston and the
housing. Torque to 5 to 6 N•m (44 to
53 lbf in).
(3)
Align the lining pins with the holes and
engage the snaps on the linings with the
snaps on the piston and the housing.
c.
Linings fastened with screws:
(1)
Apply Loctite
®
271, or equivalent, to the
threads of the screws.
(2)
Attach the linings to the piston and
the housing. Torque the screws to 5 to
6 N•m (44 to 53 lbf in)
5.
Install the piston and lining through the hole for
the spring cap. Press the pistons through the
seals with a steady force.
6.
Apply a graphite base antisieze compound to the
surfaces of the springs and the housing threads
of the spring cap.
7.
Install the washers and springs on the spring
cap. See Figure 6.
1.
FLAT WASHER
2.
2 SPRINGS, CUP UP
3.
2 SPRINGS, CUP DOWN
Figure 6. Spring Cap
8.
Install the spring cap into the housing. Tighten
the spring cap until the top of the spring cap is
even with the top of the housing.
9.
Install the washer around the stud and attach
the washer with 3M
®
Super 77 spray adhesive, or
equivalent. Follow manufacturer’s instructions
for use of spray adhesive.
10. Install the stud nut at the end of the stud and
fasten in place with the pin.
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