TM 5-3805-281-24-2
Crankshaft, Main Bearings, and Flywheel
REMOVE FLYWHEEL
CAUTION: Flywheel is heavy. Plan a proper
lifting procedure to avoid injury.
NOTE: SAE 1 and SAE 2 flywheel housings MUST BE
removed before flywheel can be removed from
engine. See REMOVE SAE 1 AND SAE 2
FLYWHEEL HOUSING, later in this group.
1. Remove two flywheel attaching cap screws (A), and
install two pilot studs in their place.
2. Remove remaining cap screws, remove drive hub (if
equipped), and carefully pull flywheel from crankshaft.
Removing Flywheel
3. Check condition of dowel pin in crankshaft rear flange.
Dowel pin must not be cracked or chipped. Measure
protrusion of dowel pin from face of flange. If dowel pin
is damaged, or protrusion is not within specifications,
replace dowel pin.
NOTE: When replacing dowel pin, crankshaft must be
removed to prevent damage to crankshaft thrust
Dowel Pin--Specification
Protrusion ................................................ 13.5--14.5 mm (0.53--0.57 in.)
from crankshaft rear flange
RG,RG34710,1162
1923OCT971/1
