ARMY TM 9-6115-670-14&P
6-67
REPLACE
a. Remove two bolts (1, Figure 6-23) securing bearing case assembly 2 and bearing case
assembly 3 to engine.
b. Remove crankshaft from engine (2).
c. Remove bearing case gasket (3).
d. Remove one bolt (4), bearing case assembly 1 (5), and thrust bearings (6).
e. Remove two bolts (11 and 12), remove bearing case assemblies 2 and 3 (7 and 10) and
crankshaft bearings 2 and 3 (8 and 9).
f. Install thrust bearing (6) and bearing case assembly 1 (5). Secure with two bolts (4).
g. Install crankshaft bearings 2 and 3 (8 and 9) and bearing case assemblies 2 and 3 (7 and 10).
Secure with two bolts (11 and 12).
h. Install bearing case gasket (3).
i. Install crankshaft (2).
j. Secure bearing case 2 and bearing case 3 to engine with two bolts (1).
CAUTION
Install crankshaft bearings into original positions. THEY
ARE NOT INTERCHANGEABLE.
NOTE
When installing bearing case assemblies 2 and 3,
face the “FLYWHEEL” mark towards the flywheel.
NOTE
Apply lubricating oil to a crankshaft bearing 2 and
thrust bearing before installation.
NOTE
Install thrust bearing with oil groove facing outward.
