TM 5-4320-302-14
6-18. CRANKSHAFT ASSEMBLY (CONT)
Location/Item
Action
Remarks
CRANKPIN DIAMETER
CRANKSHAFT/CRANKPIN
inches
NORMAL AND UNDERSIZES
(millimeters)
Normal
2.0461 to 2.0468
(51.971 to 51.990)
2.0264 to 2.0272
First undersize
(51.471 to 51.490)
2.0067 to 2.0075
Second undersize
(50.971 to 50.990)
Third undersize
1.9870 to 1.9878
(50.471 to 50.490)
10. Crankshaft
a.
Measure diameter of both crankshaft main
main bearing
bearing journals at points 1 and 2 and along
journals
axis A and B with micrometer. Measure width
of journal at point 3. Measure radius of fillets
between main bearing journal and crank cheek.
6-146
