TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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12-65. SWINGFIRE HEATER PUMP ASSEMBLY, BRACKET, AND LOWER HOSE REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Disconnect lead 81G (2) and ground wire lead (1) from heater pump leads (3). 2. Loosen clamp (9) and disconnect outlet hose (10) from heater pump (4). 3. Loosen clamps (5) and (7) and disconnect inlet hose (6) from heater pump (4) and radiator lower tube assembly (8). 4. Remove clamps (5) and (7) from inlet hose (6). 5. Remove clamp (11) and heater pump (4) from bracket (15). 6. Remove two nuts (14), lockwashers (13), and bracket (15) from water pump studs (12). Discard lockwashers (13). Manual References TM 9-2320-280-24P Equipment Condition • Battery ground cable disconnected (para. 4-73). • Cooling system drained as required (para. 3-60). TM 9-2320-280-20-3 Change 2 12-93 NOTE Prior to removal, tag leads for installation. INITIAL SETUP: Applicable Models M966, M966A1, M996, M996A1, M997, M997A1, M997A2, M998, M998A1, M1025, M1025A1, M1025A2, M1037, M1038, M1038A1 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two lockwashers (Appendix G, Item 191) 1 2 3 4 5 6 7 8 9 ~ 10 11 12 13 14 4 15