6-39. REVERSE GEAR ASSEMBLY (Continued).
a. Support the flywheel, crankshaft
side down, on a solid flat
surface or hardwood block, which
is slightly smaller than the
inside diameter of the ring gear.
b. Drive the ring gear off the
flywheel, with a suitable drift
and hammer. Work around the
circumference of the ring gear
to avoid binding the gear on the
c. Turn the flywheel, ring gear
side up, on a solid flat
d. Rest the new ring gear on a flat
metal surface and heat the ring
gear uniformly with an acetylene
torch, keeping the torch moving
around the gear to avoid hot
Do not, under any circumstances, heat the gear over 400 , excessive heating may destroy the
original heat treatment.