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 TM 55-1905-219-14-10
5-18. FLYWHEEL AND HOUSING - MAINTENANCE INSTRUCTIONS (Continued).
This task covers:
a. INSERT FUNCTION
b. INSERT FUNCTION
d. INSERT FUNCTION
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION
2. Flywheel
a. Support the flywheel - ring gear
ring gear
side up - on a solid flat surface.
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
F
C
heat 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 the gear in place against the
shoulder on the flywheel. If the
gear cannot be tapped into place
readily, remove it and apply
additional heat, noting the above
caution.
5-315
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