TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 743 of 1170
12-95. TROOP/CARGO WINTERIZATION HEATER ASSEMBLY REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Applicable Models M998, M998A1, M1038, M1038A1 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Adhesive sealant (Appendix C, Item 10) Sealing compound (Appendix C, Item 42) O-ring (Appendix G, Item 222) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Battery ground cable disconnected (para. 4-73). • Heater guard assembly removed (para. 12-93). General Safety Instructions • Do not perform this procedure near fire, flames or sparks. • Ensure handle on diverter assembly is facing toward left side of vehicle. a. Removal TM 9-2320-280-20-3 Change 2 12-137 WARNING Diesel fuel is highly flammable. Do not perform this procedure near fire, flames, or sparks. Severe injury or death will result. CAUTION Cover or plug all open hoses and connections immediately after disconnection to prevent contamination. Remove all plugs prior to connection. NOTE Have drainage container ready to catch fuel. 1. Loosen clamp (2) and disconnect filter-to-heater fuel supply hose (1) from connector (3). 2. Remove connector (3) from heater inlet port (4). 3. Remove clamp (6) and diverter assembly (7) from air inlet adapter (5).