TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 579 of 953
TM 9-2320-280-20-2 5-8 Change 3 5-3. TRANSMISSION OIL COOLER LINES REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove retaining clamps (3) from cooler lines (4). 2. Loosen hose clamps (1) on rubber hoses (2) and cooler lines (4). 3. Loosen hose clamps (5) on cooler lines (4). NOTE Have drainage container ready to catch fluid. 4. Disconnect cooler lines (4) at each end and allow to drain. NOTE Perform step 5 for M997A2, M1025A2, M1035A2, M1043A2, M1045A2, M1097A2, and M1123 vehicles only. 5. Disconnect two cooler lines (4) from by-pass valve (6). NOTE Perform steps 6 and 7 to allow access only if removing oil cooler lines from oil cooler. 6. Remove four locknuts (9), washers (10), and capscrews (11) from radiator supports (7) and airlift brackets (8). Discard locknuts (9). 7. Remove locknut (12), washer (13), capscrew (17), washer (13), large washer (16), and mount (15) from radiator (14) and front mounting bracket (18). Discard locknut (12). 8. Remove cooler lines (4) and rubber hoses (2) from vehicle. INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Four locknuts (Appendix G, Item 70) Locknut (Appendix G, Item 99) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Right splash shield removed (oil cooler lines to oil cooler only) (para. 10-20). • Left splash shield access cover removed (para. 10-18). General Safety Instructions Allow transmission to cool before performing this task. WARNING Allow transmission to cool before performing this task. Severe injury to personnel may result. NOTE • Removal and installation procedures are the same for all lines, regardless of function, size or location. All oil cooler ports should be plugged to prevent contamination. Remove plugs prior to connection. • Left splash shield can be modified to add engine access cover. Refer to appendix D, Fig. D-86 and D-87 for installation.