TM 9-2815-225-34&P 3-49.  ACCESSORY DRIVE REPAIR (Contd) LOCATION/ITEM ACTION REMARKS c.  Inspection (Contd) 16. Keyway seal (1), washer Inspect for distortion, Discard and replace if distorted, (19), flange nut (18), and burrs, or damaged threads. burred, or damaged. six screws (17) d.  Assembly 17. Two dowel pins (7) Install on accessory drive shaft (6). 18. Accessory drive gear (4) Install on accessory drive Use suitable arbor press.  Press shaft (6). until accessory drive gear (4) is against shoulder. NOTE Perform step 19 if original bushing was removed. 19. New bushing (13) a.  Line up oil holes. b.  Install on bore of accessory Use suitable arbor press.  Bore drive housing (15). must be clean before bushing (13) is installed.  Lubricate bore of bushing (13) after installation with OE/HDO 10 lubricating oil. CAUTION Install grooved side of thrust bearings away from housing.  The steel backing against cast iron  housing  will  keep  thrust  bearings  from  turning.    Incorrect  installation  will  result  in excessive wear and increased end play, which causes early failure of the accessory drive housing assembly. NOTE Apply  a  thin  coat  of  OE/HDO  10  lubricating  oil  to  parts  listed  in  steps  20  and  21  prior  to installation on accessory drive housing. 20. Thrust bearing (5) Install on accessory drive housing Ensure grooved side of thrust (15). bearing (5) is away from housing (15). 21. Accessory drive gear (4) Install on thrust bearing (5), and accessory drive shaft (6) bushing (13), and accessory drive housing (15) assembly. 3-300