TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 56 of 953
3-23. FUEL PUMP REPLACEMENT This task covers: a. Removal b. Installation a. Removal INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Mounting plate gasket (Appendix G, Item 198) Fuel pump gasket (Appendix G, Item 40) Grease (Appendix C, Item 22) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition Battery ground cable disconnected (para. 4-73). General Safety Instructions • Do not perform this procedure near fire, flames, or sparks. • Gaskets installed on some 6.2L engines assembled prior to 1991 may contain asbestos. Gaskets should be disposed of IAW current directives. TM 9-2320-280-20-2 3-36 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 Have drainage container ready to catch fuel. 1. Loosen clamp (14) and disconnect fuel inlet line (13) from fuel pump (2) and allow fuel to drain into container. 2. Disconnect fuel outlet line (12) from fuel pump (2) and allow fuel to drain into container. 3. Loosen clamp (3) and disconnect vent line (4) from fuel pump (2). WARNING Gaskets installed on some 6.2L engines assembled prior to 1991 may contain asbestos. Gaskets should be removed with a scraper or putty knife and then be disposed of IAW current directives. Inhalation of asbestos fibers can cause respiratory ailments. 4. Remove two capscrews (1), fuel pump (2) and gasket (6) from fuel pump mounting plate (7). Discard gasket (6). 5. Remove two capscrews (11), fuel pump mounting plate (7) and gasket (8) from cylinder block (10). Discard gasket (8). 6. Remove pushrod (9) from cylinder block (10).