Centinel System – Repair Manual – 002-029   Overhead Camshaft End Clearance, Injector

Remove the rocker lever cover. Refer to Procedure 003-011.

Remove the rocker lever shafts. Refer to Procedure 003-009.

Remove the upper gear cover. Refer to Procedure 001-079.

Unload the injector camshaft scissor gear. Refer to Procedure 001-088.

NOTE: End clearance can be checked without removing the injector camshaft gear on engines equipped with a non-scissor injector camshaft gear.

CAUTION  The rear camshaft cover plate must be installed.

Use a dial indicator to check the end clearance of the gear.

Push the camshaft to the rear and set the gauge at “0”.

Pull the gear forward and measure the end clearance.

If measurement exceeds specifications, replace the injector overhead camshaft. Refer to Procedure 002-025.

NOTE: Before loading the injector camshaft scissor gear, you must
read Engine Base Timing. Refer to Procedure 001-088.

Install the upper gear cover. Refer to Procedure 001-079.

Install the rocker lever shafts. Refer to Procedure 003-009.

Install the rocker lever cover. Refer to Procedure 003-011.

Operate the engine to normal operating temperature and check for leaks.