TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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7-5. MASTER CYLINDER MAINTENANCE (Contd) TM 9-2320-387-24-1 Change 1 7-15 FOLLOW-ON TASKS: • Install left splash shield (para. 10-23). • Bleed brake system (para. 7-2). 1 9 8 6 5 3 7 4 12 11 10 M1114 1. Install master cylinder (2) on hydro-boost (1) with two locknuts (8). Tighten locknuts (8) to 22 lb-ft (30 N • m). 2. Install differential valve bracket (7) on stud (9) with washer (4) and locknut (3). Tighten locknut (3) to 22 lb-ft (30 N• m). 3. Connect brake lines (5) and (6) to master cylinder (2). NOTE Perform step 4 for M1114 models only. 4. Install bracket (12) on hydro-boost (1) with washer (11) and locknut (10) Tighten locknut (10) to 22 lb-ft (30 N • m). NOTE Master cylinder must be filled (para. 2-12, item 11) and kept at least half full during bleeding operation. 1. Depress brake pedal slowly and hold. Loosen brake line (5) to purge air from the front reservoir. 2. Tighten brake line (5) and release brake pedal. 3. Repeat steps 1 and 2 until front reservoir is purged of air. 4. Repeat steps 1 through 3 for rear reservoir with brake line (6). c. Bleeding 2 1