TM 5-3805-281-24-2
Crankshaft, Main Bearings, and Flywheel
REPLACE FLYWHEEL RING GEAR
CAUTION: Oil fumes or oil can ignite above
193C (380F). Use a thermometer and do not
exceed 182C (360F). Do not allow a flame or
heating element to be in direct contact with the
oil. Heat the oil in a well ventilated area. Plan a
safe handling procedure to avoid burns.
1. If ring gear is damaged, place the flywheel on a solid
flat surface.
Removing Flywheel Ring Gear
2. Remove ring gear with a brass drift and hammer.
IMPORTANT: If flame heat is used, be sure gear is
heated uniformly around circumference.
DO NOT OVERHEAT. Overheating may
destroy original heat treatment of gear.
SEE CAUTION.
3. Heat new ring gear to 148C (300F) using either
heated oil, oven heat, or flame heat.
4. Install ring gear against shoulder of flywheel so
chamfered side (A) is on engine side of flywheel.
Installing Flywheel Ring Gear
RG,RG34710,1165
1923OCT971/1