TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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TM 9-2320-280-20-2 Section II. SERVICE BRAKE SYSTEM MAINTENANCE 7-9. SERVICE BRAKE SYSTEM MAINTENANCE TASK SUMMARY TASK PARA. PROCEDURES PAGE NO. 7-10. 7-11. 7-12. 7-13. 7-14. 7-15 7-16. 7-17. 7-18. 7-19. Service Brake System Bleeding Instructions Service Brake Pad Maintenance Service Brake Caliper Maintenance Master Cylinder Maintenance Hydro-Boost Replacement Brake Lines Replacement Service Brake Pedal (12338394) Replacement Service Brake Pedal (EX 5935037) Replacement Proportioning Valve Replacement Service Brake Rotor Replacement 7-19 7-24 7-26 7-28 7-30 7-32 7-40 7-42 7-44 7-46 7-10. SERVICE BRAKE SYSTEM BLEEDING INSTRUCTIONS This task covers: a. Pressure Bleeding c. Master Cylinder Bleeding b. Manual Bleeding INITIAL SETUP: Tools Manual References General mechanic’s tool kit: TM 9-2320-280-10 automotive (Appendix B, Item 1) TM 9-2320-280-24P Materials/Parts Equipment Condition Brake fluid (Appendix C, Item 14) Hood raised and secured (TM 9-2320-280-10). Personnel Required Master cylinder filled to proper level (para. 2-11, One mechanic pg 2-12, Item 11). One assistant (task b. only) General Safety Instructions Always wear eye protection when bleeding brakes. WARNING Always wear eye protection when bleeding brakes. Failure to do this may cause injury if brake fluid comes in contact with eyes. NOTE If only the front or rear half of the system has been serviced, it is usually necessary to bleed only that half of the system. However, if a firm brake pedal cannot be obtained after bleeding, it will be necessary to bleed the entire system. The brake hydraulic system can be bled manually or by using a pressure tank and adapters. Each method is outlined in the following procedures. Bleed brakes in the following order: right rear, left rear, right front, left front. 7-19