TM10-3930-660-34 7-4. TRANSMISSION ASSEMBLY - REPLACE/RPAIR (Cont’d) NOTE The first stage clutch pack contains twelve clutch plates (57) and twelve separator plates (58). WARNING Springs   (61)   are   under   tension.      Always   wear   safety glasses when working on compressed springs.  Carefully handle spring in compressed form.  Failure to follow this precaution could cause personal injury. i. Place    shaft    assembly    (50)    in    a    press. Install a clutch spring compressor tool. j. Press down on spring compressor tool and retainer (59) just enough to relieve pressure on retainer ring (60).  Remove retainer ring (60). Slowly remove clutch spring compressor tool. k. Remove   retainer   (59),      four   springs   (61) and thrust washer (62). WARNING Do     not     exceed     30     psig     nozzle     pressure     when     using compressed  air.    Do  not  direct  compressed  air  against  skin. Failure to follow this precaution could cause personal injury. l. Insert air nozzle at pressure ports (A) located between three seal ring grooves on shaft assembly (50).  Use compressed air to remove piston (63). m. Remove and discard O-ring (64) and outer piston seal (65). 7-15