TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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TM 9-2320-280-20-2 7-22. REAR DUAL SERVICE/PARKING BRAKE CALIPER MAINTENANCE This task covers: a. Removal c. Installation b. Cleaning and Inspection Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Wheels chocked and parking brake released (TM 9-2320-280-10). • Pioneer tool stowage rack removed (TM 9-2320-280-10). General Safety Instructions Make sure brake pads are installed with linings facing rotor. 7-52 Change 3 a. Removal CAUTION Cover or plug all open lines and connections immediately after disconnection to prevent contamination. Remove all plugs prior to connection. NOTE The following procedure applies to vehicles with serial numbers USBL, Eff, 44825 and above. 1. Remove cotter pin (4), washer (5), and clevis pin (7) from parking brake clevis (6) and lever (3). Discard cotter pin (4). 2. Remove retaining ring (2) and disconnect parking brake cable (8) from caliper cable bracket (1). Discard retaining ring (2). NOTE Have drainage container ready to catch brake fluid. 3. Disconnect brake line (17) from coupling (16). 4. Remove coupling (16) and flat washer (15) from caliper (14). Discard flat washer (15). CAUTION Caliper must be supported during removal to prevent damage to brake line. 5. Remove two capscrews (10), washers (11), yoke (12), and caliper (14) from adapter (9). 6. Slide yoke (12) and location pins (13) out from caliper (14). INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Special Tools Crowfoot, 14 mm (Appendix B, Item 152) Hex head driver, 7 mm (Appendix B, Item 162) Materials/Parts Cotter pin (Appendix G, Item 12) Flat washer (Appendix G, Item 38) Retaining ring (Appendix G, Item 231) Sealing compound (Appendix C, Item 45)