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 TM 55-1905-220-14-11
5-77. FLYWHEEL AND HOUSING - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION
2. Flywheel
a. Support the flywheel - ring gear
Ring
side up - on a solid flat surface.
Gear
b. Rest ring gear on a flat, metal
surface and heat the gear uniformly
with an acetylene torch, keeping
the torch moving around the gear
to avoid hot spots.
CAUTION
Do not, under any circumstances, heat the gear over 400 (204 ), as excessive heat
F
C
may destroy the original heat treatment.
NOTE
Heat indicating "crayons", which are placed on the ring gear and melt at a predetermined
temperature, may be obtained from most tool vendors. Use of these "crayons" will
ensure against over-heating the gear.
c.
Use a pair of tongs to place the
gear on the flywheel with the
chamfer facing the same direction
as on the gear just removed.
d. Tap gear in place against the fly-
wheel shoulder. If the gear cannot
be tapped into place readily, remove
it and apply additional heat, noting
the above caution.
5-1056
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