TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 10-4. DISC BRAKE CALIPER REPAIR This task covers: a. Disassembly b. Inspection b. Cleaning d. Assembly INITIAL SETUP Tools Equipment Condition General mechanic's tool kit: Disc brake caliper removed (TM 9-2320-280-20). automotive (Appendix G, Item 1) General Safety Instructions Materials/Parts Hold caliper so piston is facing away from your Service brake caliper kit body. Keep fingers out of space between piston (Appendix E, Item 200) and wood block. Abrasive crocus cloth (Appendix B, Item 10) Compressed air will not exceed 30 psi (207kPa). Brake fluid, silicone (Appendix B, Item 9) Eyeshield must be worn. Manual References Maintenance Level TM 9-2320-280-20 Direct support TM 9-2320-280-24P a. Disassembly WARNING Hold caliper so piston is facing away from your body. Keep fingers out of space between piston and wood block. Failure to do this may cause injury. Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with effective chip guarding and personal protective equipment (goggles/shield, gloves, etc.). 1. Insert wood block between jaw of caliper (3) and piston (1). 2. Remove piston (1) from caliper (3) by applying air pressure to hose inlet (2) of caliper (3). CAUTION Do not use metal tools to remove dust boot and seal. It could damage caliper bore. 3. Remove piston dust boot (4) and seal (5) from caliper bore (6). Discard dust boot (4) and seal (5). 4. Remove bleeder screw (7) from caliper (3). b. Cleaning Clean disc brake caliper components in accordance with para. 2-13. 10-4