D379B, D398B & D399 GENRERATOR SET ENGINES Caterpillar


Crankshaft Rear Seal Ring And Thrower

Usage:

Remove Crankshaft Rear Seal Ring And Thrower

start by:

a) remove flywheel

1. Remove twelve bolts (1) that hold baffle to flywheel housing.

2. Remove the baffle (2) from housing.

3. Remove the seal ring and spring from thrower.

4. Install tooling (A) on the thrower. Put heat on the outer diameter of thrower with an open flame at a maximum temperature of 400°F (204°C). Remove the thrower immediately with tooling (A).

5. Remove the ring from flywheel housing.

Install Crankshaft Rear Seal Ring And Thrower

1. Put 6V1541 Quick Cure Primer and 9S3265 Retaining Compound on ring. Install the ring in flywheel housing. Assemble ring with holes at bottom and with chamfer toward inside of housing.

2. Heat the thrower in oil to a maximum temperature of 400°F (205°C). Install thrower on crankshaft. Use tooling (A) to install thrower in correct location on crankshaft.


NOTICE

Do not use an old oil thrower, seal ring or spring. Be sure all parts are absolutely clean.


3. Fill thrower groove one half full of 6V2055 High Vacuum Grease after thrower has cooled.

4. Install spring and ring (1) on thrower. The ring must turn freely in its groove.

NOTE: The word "OUT" on ring must be installed away from crankshaft. Put the gap of the ring to the top of crankshaft when installed.

5. Install the baffle (2) on the flywheel housing.

end by:

a) install flywheel

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