COUPLING 4248920 - 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 g01142107
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.
Use a suitable press to remove the camshaft from camshaft gear (1). Installation Procedure
Note: The temperature of the camshaft gear must not exceed 177 °C (350 °F) during installation.
Raise the temperature of the camshaft gear up to a temperature of 177 °C (350 °F).
Align the key in the camshaft with the groove (keyway) in the camshaft gear.
Install the camshaft gear on the end of the camshaft. End By:
Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Install".