TM 5-3805-281-24-2
Crankshaft, Main Bearings, and Flywheel
9. Place gear on crankshaft flange. Be sure key on
crankshaft is properly aligned with keyway in gear.
IMPORTANT: When installing gear, do not gouge or
nick crankshaft flange.
10. Use JDH7 Driver to firmly seat gear against
crankshaft flange.
11. Once gear cools, reseat gear using JDH7 Driver.
RG,RG34710,1178
1923OCT972/2
INSPECT THRUST BEARINGS
Check thrust surfaces of the thrust bearing and the thrust
bearing journal on crankshaft and replace as necessary.
Thrust bearing are available in each of the previously
mentioned insert undersizes. An oversized thrust washer
set containing one regular size washer and two 0.18 mm
(0.007 in.) oversized washers is also available.
NOTE: Thrust bearing must be installed with slots facing
crankshaft flange. Two halves (A) and (C) go on
cap side, not block.
Crankshaft Main Thrust Bearing Assembly
A--Lower Rear Thrust Washer
B--Upper Rear Thrust Washer
C--Lower Front Thrust Washer
D--Main Bearing Block Thrust Bearing
E--Main Bearing Cap Thrust Bearing
F--Large Tang
G--Small Tang
RG,RG34710,1179
1923OCT971/1