TM 10-4130-237-14
6-2.
CYLINDER BLOCK ASSEMBLY REPAIR/OVERHAUL (CONT)
8
Obtain right connecting rod assembly. Check crankpin bearing size. If greater than 1.627 in. (41.33
mm), discard connecting rod assembly.
9
Check piston pin bearing size. If greater than 0.803 in.(20.40 mm), discard connecting rod assembly.
10 Repeat steps 8 and 9 with left connecting rod.
NOTE
Flywheel key and power takeoff key are NOT interchangeable.
11 Obtain crankshaft. Remove flywheel key and power takeoff key.
12 Remove timing gear from crankshaft.
13 Remove keyway from power takeoff journal on crankshaft.
14 Check timing gear for broken or missing teeth. Replace if needed.
15 Check crankshaft keyways to make sure they are not worn or spread. If worn or spread so key does not
fit replace crankshaft.
16 Check the following points on the crankshaft: magneto journal, power takeoff journal, and crankpins.
6-11
