TM 5-4310-451-14
5-32. MAIN BEARINGS AND CRANKSHAFT MAINT
8.
Remove upper bearing shell (11) from under
crankshaft (2) and main bearing journal no. 3
(13) using bearing shell remover.
9.
Position dial indicator to read runout of main
bearing journals (12 and 13).
10.
While assistant turns screw (3), read runout of
main bearing journals (12 and 13) using dial
Indicator.
11.
If runout is greater than 0.002 in. (0.051 mm),
crankshaft must be replaced.
12.
Remove four bolts (14), washers (15), and front and rear bearing caps (16 and 17) from engine block (1).
TA704957
5-76
