TM10-3930-660-34 7-4. TRANSMISSION ASSEMBLY - REPLACE/REPAIR (Cont’d) k. Insert  air  nozzle  at  pressure  ports  (A)  located between    three    seal    ring    grooves    on    shaft assembly (88).  Use compressed air to remove piston (101). 1. Remove and discard O-ring (102) and outer piston seal (103). m. Turn shaft assembly (88) over. Use a puller to remove   bearing   (104)   from   shaft   assembly (88). n. Remove snap ring (105) and gear (106) from shaft assembly (88). 7-20