TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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b. Cleaning c. Inspection TM 9-2815-237-34 2-39. WATER CROSSOVER REPAIR This task covers: a. Disassembly c. Inspection b. Cleaning d. Assembly INITIAL SETUP: Tools Manual References General mechanic’s tool kit: TM 9-2815-237-34P automotive (Appendix E, Item 1) Equipment Condition Materials/Parts Engine disassembled Water crossover gasket (Appendix D, Item 19) (para. 2-15). Pipe sealing compound (Appendix B, Item 17) into subassemblies NOTE In some cases, flanged head fasteners maybe present instead of standard fasteners and washers. In all cases, washers should be used when replacing a flanged head fastener with a standard fastener. a. Disassembly 1. Remove capscrew (6), stud (5), two washers (4), water outlet (7), thermostat (9), and gasket (8) from water crossover (11). Discard gasket (8). NOTE Only perform steps 2 through 4 if replacing water crossover or damaged parts. 2. Remove glow plug controller (1). 3. Remove temperature switch (3). 4. Remove de-airation nipple (2), bypass hose nipple (10), and heater hose nipple (12) from water crossover (11). Clean all components in accordance with para. 2-9. NOTE For general inspection instructions, refer to para. 2-10. 1. Inspect water crossover (11) and water outlet (7) for damage. Replace if damaged. 2. Inspect all threaded holes in water crossover (11) for thread damage. Replace if threads are damaged. 3. Inspect heater hose nipple (12), de-airation nipple (2), and bypass hose nipple (10) for damage. Replace if damaged. 4. Inspect glow plug controller (1), thermostat (9), and temperature switch (3) for damage. Replace if damaged. 2-146