TM 9-2320-280-34
10-5. REAR PARKING BRAKE CALIPER REPAIR (Cont'd)
d. Assembly
CAUTION
Use silicone brake fluid only, MIL-B-46176. Failure to use SBF
will cause damage to brake system.
NOTE
For general assembly instructions, refer to para. 2-16.
Lubricate caliper bore, piston, and piston seal with brake fluid.
1.
Install O-rings (23) and (14) on piston retaining screw (24) and actuator shaft (17).
2.
Install O-rings (4) and (8) on pin retaining plug assembly (5) and antirotation pin (7).
3.
Install actuator shaft seal (13) in caliper housing (1).
4.
Install actuator shaft assembly parts (15), (16), and (17) in caliper housing (1).
5.
Install bearing plate (18) and three actuator shaft bearings (19) in caliper housing (1).
6.
Install thrust screw (29) in caliper housing (1).
NOTE
Ensure slot in thrust screw is aligned with hole in caliper housing
for antirotation pin.
7.
Install antirotation pin (7), antirotation pin spacer (6), and pin retaining plug assembly (5) in
caliper housing (1). Tighten plug (5) to 8-12 lb-ft (11-16 Nm).
8.
Install screw spring (28) and thrust screw spring shield (27) and secure with thrust screw retaining
ring (20).
9.
Install piston seal (21) in caliper housing (1).
10.
Install piston (22) in caliper housing (1) by turning piston (22) clockwise and pushing in on
piston (22).
11.
Install piston boot (25) on caliper housing (1) and piston (22).
Install piston retaining screw (24) in piston (22). Tighten screw (24) to 15-22 lb-ft (20-30 Nm).
12.
13.
Install piston cap (26) in piston (22).
14.
Install parking brake lever (9) on actuator shaft (12) with screw (11). Tighten screw (11) to 15-25 lb-
ft (20-34 Nm).
15.
Install parking brake spring (10) on caliper housing (1) and parking brake lever (9).
16.
Install bleeder screw (2) in caliper housing (1). Tighten screw (2) to 6-15 lb-ft (8-20 Nm).
17.
Install bleeder screw cap (3) on bleeder screw (2).
Change 2
