TM-9-2815-237-34 HMMWV Engine Direct Support & General Support Maintenance Manual Download
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TM 9-2815-237-34 2-86.2 Change 2 2-32. FUEL INJECTION PUMP REPAIR (Cont'd) CAUTION Fuel pump body must be thoroughly cleaned before disconnecting any attaching components to prevent foreign particles from entering pump. 1. Clean exterior of fuel injection pump (9) in accordance with para. 2-9. 2. Mount pump (9) in holding fixture and secure fixture in vise. 3. Remove three screws (2), lockwashers (3), and washers (4) from governor control cover (1). Discard lockwashers (3). NOTE If fuel is found in pump, discard fuel in an approved container. 4. Remove cover (1) and gasket (13). Discard gasket (13). NOTE • Perform steps 5, 6, and 7 for 6.5L engines and 6.2L engines 1990 and above. • Perform steps 8 and 9 for pre-1990 engines. 5. Remove cap (8) from guide stud (7). Using 1/4-in. hex head driver, remove guide stud (7), seal (5), and nut (6) from min-max governor (12). Discard seal (5) and cap (8). 6. Turn throttle shaft (11) to low idle and remove idle spring (16). 7. Turn throttle shaft (11) to wide open throttle, loosen sleeve (17) on min-max governor (12) and lift min-max governor (12) and inner governor spring (14) out of pump (9) and disengage min-max governor (12) from governor thrust spring (15). 8. Using 1/4-in. hex head driver, remove guide stud (7) and washer (10) from min-max governor (12). Discard washer (10). 9. Turn throttle shaft (11) to wide open throttle and pull min-max governor (12) out of pump (9). a. Disassembly