TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 4-9. FUEL INJECTION PUMP COLD ADVANCE SOLENOID MAINTENANCE This task covers: a. Removal c. Installation b. Inspection INITIAL SETUP: Tools Manual References General mechanic's tool kit: TM 9-2815-237-34P automotive (Appendix G, Item 1) Equipment Condition Materials/Parts Fuel injection pump shutoff solenoid removed Two lockwashers (Appendix E, Item 80) (para. 4-8). Locknut (Appendix E, Item 45) 0-ring (Appendix E, Item 98) Maintenance Level Two fiber washers (Appendix E, Item 14) Direct support NOTE Working area should be clean, well-ventilated, and free from blowing dirt and dust. a. Removal 1. Remove terminal (1), washer (2), and ribbed shell (3) from stud (15). 2. Remove nut (4), lockwasher (5), washer (6), and fiber washer (7) from stud (15). Discard lock- washer (5) and fiber washer (7). 3. Remove locknut (11), nut (4), lockwasher (5), washer (6), and fiber washer (7) from stud (12). Discard lockwasher (5), locknut (11), and fiber washer (7). 4. Remove check valve (9) and O-ring (8) from cover (10). Discard O-ring (8). 5. Remove cold advance solenoid (13) and plunger (14) from cover (10). 6. Remove plunger (14) from cold advance solenoid (13). b. Inspection Inspect ribbed shell (3) for deterioration, cracks, or damage. Replace if cracked, deteriorated, or damaged. c. Installation 1. Install plunger (14) in cold start advance solenoid (13). Install stud (15) in hole in rear of cover (10). 2. Install O-ring (8) and check valve (9) in cover (10). 3. Install cold start advance solenoid (13) in cover (10) so small tip of plunger (14) fits in port of check valve (9) and stud (12) fits through hole in side of cover (10). 4. Install fiber washer (7), washer (6), lockwasher (5), nut (4), and locknut (11) on stud (12). 5. Install fiber washer (7), washer (6), lockwasher (5), and nut (4) on stud (15). 6. Install ribbed shell (3), washer (2), and terminal (1) on stud (15). 4-18