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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


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