TM 5-4320-300-14
6-11. CRANKSHAFT AND FLYWHEEL (CONT))
Location/Item
Action
Remarks
CAUTION
Starting motor pinion damage may occur if chamfered side of replacement
ring gear is not facing same direction as chamfer on replaced gear. Note
chamfered side of gear before replacement.
NOTE
Only remove a ring gear if it is to be replaced.
27. Ring gear
To remove ring gear from flywheel, support
Support flywheel
removal
flywheel on a solid flat surface, position a
crankshaft side
drift punch on upper edge of ring gear, and
down.
lightly tap punch while moving it around the
gear.
WARNING
Operate acetylene torches properly and be alert for leaks on any part of
the equipment. Inhalation of acetylene produces headache, dizziness,
nausea, and possible loss of consciousness. If acetylene is inhaled, seek
fresh air immediately.
CAUTION
Ring gear damage may occur if gear is overheated. Do not heat gear over
400°F (204°C). Use minimum amount of heat required to fit ring gear on
flywheel. Keep flame moving at all times.
28. Ring gear
Mount replacement ring gear on flywheel as
installation
follows:
a. Support flywheel (ring gear side up) on a solid
flat surface.
b. Rest ring gear on a flat metal surface.
6-101
