TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 28-16. REAR SERVO REPAIR (1995) INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Transmission fluid (Appendix C, Item 37) Manual References TM 9-2320-387-24P Equipment Condition Transmission disassembled into subassemblies (para. 28-3). Maintenance Level General support This task covers: a. Disassembly c. Inspection b. Cleaning d. Assembly NOTE Work area should be well-ventilated, clean, and free from blowing dirt and dust. 1. Remove retainer clip (1) from pin (8) in servo piston (10). 2. Remove accumulator piston (3), washer (5), servo spring (6), and spring retainer (7) from pin (8). Clean all parts in accordance with para. 2-14. 1. Inspect pistons (3) and (10) for cracks, porosity, and damaged seal grooves. Remove minor burrs and scoring. Replace if damaged. 2. Inspect servo spring (6) for breaks and distortion. Replace if damaged. 3. Inspect pin (8) for cracks, burrs, bends, and chipped or damaged retainer groove. Replace if damaged. NOTE If replacing any seal, coat seal with transmission fluid (Dexron® III). 4. Inspect outer oil seal (9) for nicks, cuts, or damage. Replace seal (9) if nicked, cut, or damaged. 5. Inspect inner seal (2) and piston seal (4) for nicks, cuts, or damage. Replace inner seal (2) and piston seal (4) if nicked, cut, or damaged. Install spring retainer (7), servo spring (6), washer (5), pin (8), and accumulator piston (3) on servo piston (10) with clip (1). d. Assembly c. Inspection b. Cleaning a. Disassembly 28-58 Change 1