COUPLING A- 6V9966 - Caterpillar

Removal Procedure
Start By:
Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove".
Wrap the camshaft with a protective covering in order to prevent damage to the camshaft.
Illustration 1 g00987675
Do not allow the camshaft to fall to the floor when pressing it from the drive gear. Also make sure that the camshaft lobes do not catch on the press plates.
Place the camshaft assembly in a suitable press. Press camshaft (2) from camshaft gear (1) .
If necessary, remove key (3) from the camshaft.Installation Procedure
Raise the temperature of the camshaft gear from 200° C (392° F) to 250° C (482° F).Note: Do not use a torch to heat the camshaft gear.
Illustration 2 g00987675
Align key (3) in the camshaft with the groove (keyway) in the camshaft gear.
Install camshaft gear (1) on the end of camshaft (2) .End By: Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Install".