TUBE AS 8R8623 - Caterpillar

Removal Procedure
Start By:
Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove". Note: For information on reusability of the camshaft gear, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8045, "Timing Gears for All Engines".
Wrap the camshaft with a protective covering in order to prevent damage to the camshaft.
Illustration 1 g00611152
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 and camshaft gear (1) in a suitable press. Press the camshaft from camshaft gear (1). Installation Procedure
Note: For information on reusability of the camshaft gear, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8045, "Timing Gears for All Engines".
Illustration 2 g00611152
Heat the camshaft gear to a maximum temperature of 315 °C (600 °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".