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TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download

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TM 9-2320-280-34 17-10. GEAR UNIT REPAIR (3L80) This task covers: a. Disassembly b. Inspection b. Cleaning d. Assembly INITIAL SETUP: Applicable Models Materials/Parts All vehicles except: M997A2, M1025A2, Petrolatum (Appendix B, Itein 38) M1035A2, M1043A2, M1045A2, M1097A2 Transmission fluid (Appendix B, Item 23) Tools Manual References General mechanic's tool kit: TM 9-2320-280-24P automotive (Appendix G, Item 1) Equipment Condition Special Tools Transmission disassembled into subassemblies Driver handle (Appendix G, Item 34) (para. 17-3). Bushing service set (Appendix G, Item 33) Slide hammer adapter (Appendix G, Item 32) Maintenance Level Gear unit holding tool (Appendix G, Item 31) General support NOTE Work area should be well ventilated, clean, and free from blowing dirt and dust. a. Disassembly 1. Remove roller clutch (1) from reaction carrier (2). 2. Remove reaction carrier (2) from output carrier (8) NOTE Keep all thrust bearings and races together as sets. 3. Remove race (3), sun gear thrust bearing (9), and race (3) from sun gear shaft (4). Tag thrust bearing (9) and races (3) for assembly. 4. Remove sun gear shaft (4), sun gear (5), front internal gear ring (6), and reaction carrier thrust washer (7) from output carrier (8). 5. Turn output carrier (8) over. 6. Remove snapring (11) from output shaft (12) and output carrier (8). 7. Remove case thrust washer (10) and output shaft (12) from output carrier (8). 8. Remove two races (13) and output shaft thrust bearing (18) from rear internal gear (14). Tag thrust bearing (18) and races (13) for assembly. 9. Remove rear internal gear (14) and mainshaft (15) from output carrier (8). 10. Remove two races (16) and rear internal gear thrust bearing (17) from output carrier (8). Tag thrust bearing (17) and races (16) for assembly. 11. Remove snapring (19) and mainshaft (15) from rear internal gear (14). b. Cleaning Clean all gear unit components in accordance with para. 2-13. 17-36