TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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17-20. CENTER SUPPORT REPAIR (4L80-E) (Cont'd) WARNING Air pressure must not exceed 15 psi (103 kPa) when air checking clutch piston, or injury to personnel or damage to equipment may result. NOTE Clutch piston must move up and down freely when air pressure is applied. 5. Apply compressed air through center support bolt hole (7) to check operation of clutch piston (6). 6. Install four oil seal rings (4) on oil delivery sleeve (5). NOTE Perform step 7 for 1997-1998 transmissions only. 7. Install oil cooler pipe fitting seal (8) in center support (3). TM 9-2320-280-34 Change 1 17-95