TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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22-5. REAR PARKING BRAKE CALIPER REPAIR TM 9-2320-387-24-2 22-8 Change 1 INITIAL SETUP: Tools ____ General mechanic’s tool kit: automotive (Appendix B, Item 1) Maintenance and repair shop equipment: automotive (Appendix B, Item 2) Materials/Parts _____________ Rear brake caliper kit (Appendix G, Item 314.1) Brake fluid, silicone (Appendix C, Item 18) Hex wrench (Appendix D, Fig. 103) (optional) Open-end wrench (Appendix D, Fig. 104) (optional) Parking brake spring tool (Appendix D, Fig. 105) (optional) Manual References _______________ TM 9-2320-387-24P Equipment Condition _________________ Rear parking brake caliper removed (para. 7-15). Maintenance Level _______________ Direct support This task covers: a. Disassembly c. Inspection b. Cleaning d. Assembly NOTE Refer to instructions for parking brake spring tool (Appendix D, Fig. 106) (optional). 1. Remove parking brake spring (10) from parking brake lever (9) and caliper housing (1). 2. Remove screw (11) and parking brake lever (9) from actuator shaft (12). 3. Remove piston cap (25) from piston (21). 4. Remove piston retaining screw (23) from piston (21). 5. Turn piston (21) counterclockwise and remove from caliper housing (1). 6. Remove piston boot (24) and piston seal (20) from caliper housing (1). 7. Remove thrust screw retaining ring (19) and thrust screw spring shield (26) from caliper housing (1). 8. Remove thrust screw spring (27) and thrust screw (28) from caliper housing (1). 9. Remove three actuator shaft bearings (18), bearing plate (17), actuator shaft (12), and washers (15) and (16) from caliper housing (1). 10. Remove actuator dust seal (13) from caliper housing (1). Discard dust seal (13). 11. Remove pin retaining plug assembly (5), antirotation pin spacer (6), and antirotation pin (7) from caliper housing (1). 12. Remove bleeder screw cap (3) and bleeder screw (2) from caliper housing (1). 13. Remove O-rings (4) and (8) from retaining plug assembly (5) and antirotation pin (7). Remove O-rings (22) and (14) from piston retaining screw (23) and actuator shaft (12). Discard O-rings (4), (8), (22), and (14). a. Disassembly