Cummins ISX11.9 CM2250 – Service Manual 001-085   Camshaft Gear, Rear

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

Install the camshaft gear onto the rear of the camshaft with the part number facing out.

The camshaft gear must spin freely on the camshaft.

Install the rear camshaft idler gear. Refer to Procedure 001-115 in Section 1.

Install the clamping plate onto the rear of the camshaft. Hand tighten the five capscrews through the clamping plate and into the camshaft.

Apply pressure on the cam gear in a clockwise direction to take the lash out of the gear train.

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

Time the engine. Refer to Procedure 001-088 in Section 1.

Rotate the camshaft to find the slot in the camshaft and insert the timing pin. Refer to Procedure 001-088 in Section 1.

The pin is not correctly seated in the camshaft notch if the colored band is either completely visible outside the camshaft, or is not visible at all. This will prevent the camshaft from rotating when the rear camshaft gear capscrews are tightened.

Tighten the rear camshaft capscrews in a star pattern after timing the engine.

Tighten the rear camshaft capscrews in a star pattern.

Repeat the torque sequence three more times.

Remove the camshaft and crankshaft timing pin.