TM 5-4310-368-14
Figure 6-24. Crankshaft Journals
6-8.
REPAIR AND REPLACEMENT
a. Crankshaft. (Figure 6-25)
(1) Regrind crankshaft as required.
(2) Replace main bearings as required.
(3) Install crankshaft into crankcase (Figure 6-13).
(4) Install new oil seal into main bearing plate.
(5) Assemble main bearing plate, shim pack and gasket over end of crankshaft.
(6) Rotate main bearing plate and shim and gasket pack so that the bolt holes align with the tapped holes in the
crankcase (Figure 6-13).
(7) Install six 3/18-16" x 1-1/2" screws and lock washers into the bolt holes in the main bearing plate. Secure the
bolts to a torque of 20 lb-ft.
(8) Check end play of crankshaft. End play must be no less than .002 inches nor more than .004 inches. Adjust
shim pack as required to obtain proper end play.
6-18
