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 TM 9-2815-220-24
CRANKSHAFT MAIN BEARINGS INSPECTION
0138 00
INSPECTION (Continued)
13. Inspect main bearing (1, 2, 3, 4) contact surfaces.
a. Remove bearing halves (1, 2, 3, 4) from cap (6) and crankcase (5).
b. Inspect bearing half backs as indicated by Prussian blue transfer.
c. Replace bearings halves that do not make 75 percent contact with bearing bores. Repeat
steps 1-12 with new bearings.
5
3
1
4
2
7
6
END OF WORK PACKAGE
WP 0138 00-12
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