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TM 9-2815-220-24
CRANKSHAFT MAIN BEARINGS INSPECTION
0138 00
INSPECTION (Continued)
9. Torque-tighten tie rod (12) slotted nuts (14).
a. With the aid of a helper holding slotted nuts (14) on the opposite side of crankcase, torque-
tighten 14 slotted nuts (14) on tie rods (12) to 53 foot-pounds (72 Nm).
14
12
NOTE
New bearings must also be checked to assure they meet the following
limits.
A
10. Measure the inside diameter (A) of the main
bearing bore with bearing halves in place at
all seven main bearing locations, 90 degrees
to the split line. Replace bearings that do not
meet the following limits:
Bearing
Sizes and Fits of New Parts
Wear Limits
inches (mm)
4.2549 (108.0745)
4.2539 (108.0491)
4.2520 (108.0008)
Standard size
4.2519 (107.9983)
4.2509 (107.9729)
4.2490 (107.9246)
0.003 (0.0762) undersize
4.2449 (107.8205)
4.2439 (107.7951)
4.2420 (107.7468)
0.010 (0.254) undersize
WP 0138 00-8

 


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