TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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3-34. FUEL FILTER DRAIN HOSE AND VALVE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Plain-assembled nut (Appendix G, Item 201) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Personnel Required One mechanic One assistant Equipment Condition Hood raised and secured (TM 9-2320-280-10). General Safety Instructions Do not perform this procedure near fire, flames, or sparks. TM 9-2320-280-20-2 3-64 Change 3 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 • For fuel filter drain valve replacement, perform steps 5 and 6 only. • Have drainage container ready to catch fuel. 1. Loosen clamp (2) and disconnect fuel filter drain hose (8) from fuel filter assembly (1). 2. Loosen clamp (7) and disconect drain hose (8) from fuel filter drain valve (6). 3. Remove plain-assembled nut (5), capscrew (11), clamp (4), and drain hose (8) from cowl panel (3). Discard plain-assembled nut (5). 4. Remove capscrew (10), drain hose (8), and clamp (9) from panel (3). 5. Remove nut (13) and fuel filter drain valve (6) from bracket (12). NOTE For fuel filter drain valve replacement, perform steps 5 and 6 only. 1. Install drain hose (8) and clamp (4) to cowl panel (3) with capscrew (11) and plain-assembled nut (5). 2. Install clamp (9) and drain hose (8) to panel (3) with capscrew (10). 3. Connect drain hose (8) to fuel filter drain valve (6) with clamp (7). 4. Connect drain hose (8) to fuel filter assembly (1) with clamp (2). 5. Install fuel filter drain valve (6) to bracket (12) with nut (13). b. Installation a. Removal