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TM 9-2320-364-34-4
20-174
20-59. ENGINE OIL PUMP DRIVE GEAR INSPECTION (CONT).
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). Failure to comply
may result in injury or death to
personnel.
(2)
Dry parts with compressed air.
NOTE
Diameter must be minimum of
2.498 in. (63.45 mm) and
maximum of 2.500 in. (63.50
mm).
(3)
Measure crankshaft (1) diameter. Replace
crankshaft if not within specifications.
NOTE
Diameter must be minimum of
2.5005 in. (63.51 mm) and
maximum of 2.5010 in. (63.53
mm).
(4)
Measure oil pump drive gear bore (5).
Replace oil pump drive gear if not within
specifications.
(5)
If gear teeth are broken, worn, or scored,
replace gear.
END OF TASK
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