M11 Series – Service Manual – 001-013   Camshaft Gear (Camshaft Removed)

Remove the camshaft. R

Refer to Procedure 001-008. .

CAUTION  Support the camshaft gear on the center hub when pressing it off the camshaft. Failure to do so can result in damage to the gear.

Install the camshaft and gear assembly in a hydraulic press.

Press the camshaft from the gear.

NOTE: If the camshaft key is marked with an arrow, record the direction the arrow is pointed.

Remove the camshaft key.

Remove the thrust plate.

The accompanying chart lists different camshaft key part numbers, the
degree of offset, and the approximate injector timing change from nominal.

Install the thrust plate on the camshaft.

Be sure the gear mounting surface is clean and free of oil, dirt, or debris.

Use a leather hammer to install the camshaft gear key.

NOTE: If the same camshaft and gear are used again, use the same part number
key as the one that was removed. Be sure the arrow on the key is pointing
in the same direction as when it was removed. If a different camshaft and gear are used, install a straight key.

WARNING  Use insulated gloves, Part No. 3823730, and/or hot clamp pliers, Part No. 3823732, when handling heated parts. Hot parts can cause serious personal injury.

Heat the gear in an oven for a minimum of 1 hour, but no longer than 6 hours.

Use Lubriplate™ 105, or equivalent, to coat the camshaft nose before installing the camshaft gear.

CAUTION  The timing marks and gear part number must be facing away from the camshaft when the gear is installed to prevent engine damage.

The gear

must be installed within 30 seconds after being removed from the oven.

Remove the gear from the oven. Align the keyway in the gear with the
key in the camshaft, and install the gear on the camshaft.

Keep the camshaft in a vertical position with the gear up until the
gear has cooled.

Measure the clearance between the gear hub and the thrust plate.

Install the camshaft.

Refer to Procedure 001-008.

Install the camshaft idler gear.

Refer to Procedure 001-036.

CAUTION  Failure to check engine timing can cause severe engine damage.

Check the engine timing. R

Refer to Procedure 006-025.

Install the gear cover.

Refer to Procedure 001-031.

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