TM 5-3805-280-24-2
Crankshaft, Main Bearings and Flywheel
REPLACE PILOT BEARING IN FLYWHEEL--
15
26
IF EQUIPPED
NOTE: Some engines are equipped with a pilot bearing
(B) in flywheel (C). Flywheel must be removed
from the engine to replace this bushing.
1. With flywheel removed from engine, drive bearing out
of flywheel using appropriate disks and handle (A) from
D01045AA Bushing, Bearing and Seal Driver Set.
Discard bearing.
2. Measure flywheel bore diameter. If bore is larger than
A--Bushing Driver
specifications, replace flywheel.
B--Pilot Bearing
C--Flywheel
Flywheel Pilot Bearing Bore (Option Code 1508)--Specification
ID ............................................................................... 34.978--35.004 mm
(1.3770--1.3781 in.)
Flywheel Pilot Bearing Bore (Option Code 1502 and
1515)--Specification
ID ............................................................................... 44.978--45.004 mm
(1.7708--1.7719 in.)
3. Drive new pilot bearing into rear face of flywheel using
appropriate disks and handle from same driver set,
until bearing shoulder bottoms on flywheel face. Check
bearing for smooth operation.
RG,15,DT7450 1914NOV971/1
13-204
