TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
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12-82. TROOP/CARGO WINTERIZATION HEATER FUEL FILTER 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 Sealing compound (Appendix C, Item 44) Two locknuts (Appendix G, Item 117) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Heater guard assembly removed (para. 12-93). General Safety Instructions Do not perform this procedure near fire, flames, or sparks. a. Removal TM 9-2320-280-20-3 Change 2 12-119 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 (3) and disconnect filter-to-heater fuel supply hose (2) from filter elbow (4). 2. Loosen clamp (9) and disconnect filter-to-bulkhead coupling fuel supply hose (8) from filter connector (10). 3. Remove two locknuts (1) and capscrews (7) from filter assembly (5), spacers (11), and heater base assembly (6). Discard locknuts (1). 4. Remove filter elbow (4) and connector (10) from filter assembly (5).