TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 17-8. DIRECT CLUTCH AND INTERMEDIATE SPRAG REPAIR (3L80) (Cont’d) d. Assembly CAUTION All transmission parts must be lubricated with clean transmission fluid before assembly. Foreign material will cause transmission damage. NOTE For general assembly instructions, refer to para. 2-16. 1. Install clutch piston apply ring (3) in clutch piston (5). 2. Install inner piston seal (6) and outer piston seal (7) on clutch piston (5). Ensure lips on piston seals (6) and (8) face away from spring guides (4). 3. Install center piston seal (8) on clutch housing (9). Be sure lip on piston seal (8) faces up. NOTE It may be necessary to use 0.015 in. (0.381 mm) feeler gauge to start inner and outer clutch piston seals into clutch housing. 4. Install clutch piston (5) in clutch housing (9). 5. Install fourteen release springs (2) and spring retainer (1) on clutch piston (5). 6. Using press, clutch spring compressor and clutch spring compressor adapter, compress spring retainer (1). 7. Install snapring (10) securing spring retainer (1) to clutch housing (9). 8. Remove clutch spring compressor and clutch spring compressor adapter from clutch housing (9). 9. Install six steel clutch plates (13) and six composition clutch plates (14) in clutch housing (9). Start _-> with steel clutch plate (13) then alternate composition clutch plates (14) and steel clutch plates (13). 10. Install clutch backing plate (12) on clutch housing (9) with snapring (11). 11. Install sprag bushing (20) cup side up over inner sprag race (21). 12. Install sprag (19) into outer sprag race (17). CAUTION Outer sprag race should not turn counterclockwise after installa- tion or transmission damage will result. NOTE If outer sprag race turns counterclockswise, sprag is installed upside down. 13. Install sprag (19) and outer sprag race (17) over inner sprag race (21) with shoulder on inner cage of sprag (19) facing down and rotate until seated on lower sprag bushing (20). 14. Install upper sprag bushing (18) cup side down into outer sprag race (17). 15. Install sprag retainer (16) on clutch housing (9) with snapring (15). 16. Place clutch housing (9) on center support (23). 17-28