TM 10-3930-659-34 5-13.  TRANSMISSION OUTPUT SHAFT ASSEMBLY REPLACEMENT (Con’t). 7. Position  oil  shield  (40)  inside  transmission  as- sembly  (1)  and  aline  two  mounting  holes  (47) with holes in transmission assembly. 8. Position input gear (39) in front of oil shield (40). 9. Install output shaft (26) into transmission assembly (1) until pipe sleeve (27) contacts input gear (39). 10. Install shim (21) and retaining ring (22) on output shaft (26). 5-128