M11 Series – Service Manual – 016-008   Flywheel Ring Gear

CAUTION  Do not use a cutting torch to heat the ring gear. The flywheel can be damaged.

Heat the outside surface of the ring gear with a heating torch.

Use a hammer and blunt chisel to remove the gear from the flywheel.

Do

not attempt to install the ring gear without using heat.

Use an oven to heat the new ring gear for a minimum of one hour. Do

not
heat the ring gear for more than 6 hours.

NOTE: Do

not exceed the specified time or temperature.

If an oven is

not available, use a heating torch to heat the gear. Use a Tempilstik crayon, or equivalent, to check the temperature
of the gear.

A more even temperature is obtained by placing the ring gear on a metal
plate and then heating the bottom side of the plate with the torch. Do

not exceed the specified temperature.

WARNING  Use insulated gloves when handling heated parts. Hot parts can cause serious personal injury.

Install the ring gear on the flywheel before it cools. Allow the air
to cool the gear. Do

not use water or oil to reduce the cooling
time.