TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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3-3. ENGINE MOUNT AND INSULATOR MAINTENANCE This task covers: a. Removal c. Assembly b. Disassembly d. Installation a. Removal NOTE Left and right engine mounts are removed basically the same except right hand engine mounts have a starter support bracket. 1. Remove two locknuts (9) and washers (10) from insulator (11) on engine mount bracket (8). Discard locknuts (9). NOTE Perform steps 2 and 3 for right engine mount only. 2. Loosen nut (12) securing starter (13) to starter support bracket (1). NOTE Proceed to step 4 for vehicles with new support bracket configuration. 3. Remove two capscrews (3), lockwashers (2), and starter support bracket (1) from starter (13) and right engine mount (4). Discard lockwashers (2). 4. Remove three capscrews (7) and lockwashers (6) from right engine mount (4) and cylinder block (5). Discard lockwashers (6). 5. Remove capscrew (14) and grounds 3A (15) and 58A (16) from left cylinder head (17). 6. Remove four locknuts (22), washers (21), and capscrews (19) from radiator supports (18) and airlift brackets (20). Discard locknuts (22). INITIAL SETUP: Tools ____ General mechanic's tool kit: automotive (Appendix G, Item 1) Special Tools __________ Crowfoot, 5/8 in. (Appendix G, Item 110) Torque adapter, 9/16 in. (Appendix G, Item 106) Torque adapter, 3/4 in. (Appendix G, Item 107) Adapter, 3/8-1/2 in. (Appendix G, Item 108) Engine lifting sling (Appendix G, Item 22) Materials/Parts _____________ Eight lockwashers (Appendix E, Item 85) Twelve locknuts (Appendix E, Item 57) Four locknuts (Appendix E, Item 59) Antiseize compound (Appendix B, Item 7) Personnel Required ________________ One mechanic One assistant Manual References ________________ TM 9-2320-280-20 TM 9-2320-280-24P Equipment Condition _________________ • Fuel pump removed (right engine mount only) (TM 9-2320-280-20). • Right engine splash shield removed (TM 9-2320-280-20). • Engine access cover removed (TM 9-2320-280-20). • Front propeller shaft removed (left engine mount only) (TM 9-2320-280-20). • Glow plug controller removed (TM 9-2320-280-20). • Air horn support and engine lift bracket removed (TM 9-2320-280-20). General Safety Instructions ______________________ Direct all personnel to stand clear during hoisting operation. Maintenance Level _______________ Direct support TM 9-2320-280-34 3-2 Change 1