TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 1 16-7. FUEL INJECTION PUMP COVER REPLACEMENT 1 This task covers: a. Removal b. Installation INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Retaining tool (Appendix B, Item 48) Materials/Parts Gasket (Appendix G, Item 83) O-ring (Appendix G, Item 258) Three lockwashers (Appendix G, Item 188) Manual References TM 9-2320-387-10 TM 9-2320-387-24P Equipment Condition l Hood raised and secured (TM 9-2320-387-10). l Battery ground cables disconnected (para. 4-68). General Safety Instructions Do not perform this procedure near fire, flames, or sparks. Maintenance Level Direct support WARNING Diesel fuel is highly flammable. Do not perform this procedure near fire, flames, or sparks. Severe injury or death may result. CAUTION Cover or plug all hoses, connections, and openings immediately after disconnec- tion to prevent contamination. Remove all covers or plugs prior to connection. ]a.Removalj NOTE Prior to removal, tag leads for installation. 1. Loosen clamp (2) and disconnect fuel drainback hose (1) from fuel injection pump (6). 2. Disconnect leads 54A (3) and 569B (5) at fuel injection pump (6). CAUTION Fuel pump body must be thoroughly cleaned before disconnecting any attaching components to prevent foreign particles from entering pump. NOTE Working area should be clean, well-ventilated, and free from blowing dirt and dust. 3. Clean exterior of fuel injection pump (6) in accordance with para. 2-14. , 4. Remove three screws (9), lockwashers (101, four washers (111, and ground strap (12) from cover (4). Discard lockwashers (10). 5. Remove cover (4) and gasket (13) from fuel injection pump housing (14). Discard gasket (13). NOTE Perform step 6 only if fuel injection pump cover is being replaced. 6. Remove fuel return line check valve (7) and O-ring (8) from cover (4). Discard O-ring (8). 7. Inspect fuel return line check valve (7). Replace if damaged. 16-12