5-41. FLYWHEEL AND HOUSING - MAINTENANCE INSTRUCTIONS (Continued).
a. Support the flywheel - 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.
Do not, under any circumstances, heat the gear over 400
(204 ), as excessive heat may destroy the original heat
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.
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, notingthe above