TM 10-3930-641-34-1
CRANKSHAFT MAIN BEARINGS INSPECTION (CONT)
(Sheet 2 of 2)
LOCATION/ITEM
ACTION
REMARKS
1.
Crankshaft
a. Clean thoroughly, using suitable solvent.
b. Flush all passages until cleaning solution
flows through each and is free of dirt.
c.
Dry with compressed air.
d. Check for cracks using dye penetrant,
magnetic field fluorescent, or other
suitable method.
e. Support on V-blocks and check runout on
See Engine specifications, page 2-69.
intermediate bearing journals.
2.
Crankshaft journals
a. Inspect for score marks, scratching or dis-
coloration due to excessive heat.
b. Check for excessive taper and out-of-
roundness.
c.
Check that each journal diameter is within
See Engine specifications, page 2-69.
specifications.
End
3-348