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 TM 9-2815-226-34-2
3-66. INSPECT ACCESSORY DRIVE ASSEMBLY
a. Place parts in wire basket and clean in ultrasonic cleaner.
WARNING
COMPRESSED AIR USED FOR CLEANING PURPOSES WILL NOT EXCEED 30 PSI
(207 KPA). USE ONLY WITH EFFECTIVE CHIP GUARDING AND PERSONAL
PROTECTIVE EQUIPMENT (GOGGLES, SHIELD, GLOVES, ETC.).
b. Dry parts with compressed air and direct air through oil port to clear of foreign matter.
c. Check shaft for wear, distortion, or galling at bushing mating surface.
d. Measure outside diameter of shaft at bushing mating surface.
e. Discard shaft if diameter less than 1.310 in. (33.274 mm).
f. Measure inside diameter of bushing for wear and out-of-round.
g. Mark bushing for replacement if 0.002 in. (0.050 mm) out-of-round or diameter exceeds 1.321 in. (33.553 mm).
h. Inspect coupling half and mating splined drive coupling for worn, chipped, or cracked splines.
i. Replace coupling if defective.
j. Replace thrust washers if worn or damaged.
k. Check timing gear for crac ked, chipped, worn, or missing teeth.
l. Replace gear if defective.
m. Check housing for cracks or distortions. Replace if defective.
n. Check shaft bushing. If it rotates freely in housing, mark bushing for replacement.
3-255
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