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 TM 55-1905-223-24-1
FIGURE 4-51. Crankshaft Gear Removal.
d.
Check the journals for an out-of-round condition. Crankshafts should be reground if the main bearing
or crankpin (connecting rod) journals are worn out-of-round more than 0.002 inch (0.05 mm).
CAUTION
If the counterweights have been removed for crank grinding or other reasons, do
not intermix them. Upon assembly torque the capscrews for the counterweights
to 200 to 210 ft-lb (271 to 285 N ) and stake properly to prevent the capscrews
m
from backing out.
e. Measure and carefully examine the crankshaft thrust flange (1, FIG. 4-52) at the No. 8 bearing.
See Table 4-4 . If the surfaces are scored or scratched, the crankshaft should be reground and oversize
thrust rings installed during reassembly.
f.
Measure bearing shells (sleeves) (2, FIG. 4-53) with a ball point micrometer (1). See Table 4-4 for
bearing thickness figures.
4-46
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