TM 5-4320-302-14
6-18.
CRANKSHAFT ASSEMBLY (CONT)
Location/Item
Action
Remarks
7.
Center and
Check alinement at adjacent center and
main bearing
main bearing journals with a dial indi-
journals
cator. Maximum allowable runout is
0.002 inch (0.0508 mm). Replace
crankshaft, if necessary.
8.
Crankpins
a.
Measure diameter of both crankpins at points 1
and 2 and along axis A and B with micrometer.
Measure width of crankpin at point 3. Measure
radius of fillets between crankpin and crank
cheek.
b.
Diameter should be 2.0461 to 2.0469 inches
(51.971 to 51.990 mm). If any measurement is
outside the specified limits, crankshaft must be
replaced.
6-144
