Cummins N14 STC, Celect, Celect Plus – Service Manual 006-006   ECM Cooling Plate, Fuel Cooled

Disconnect all three wiring harnesses from the ECM. Use the following procedure in the CELECT™ Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084. Refer to Procedure 019-031 in Section 19.

Remove the six ECM mounting capscrews. These capscrews are metric.

Remove the ECM from the cooling plate.

Remove the inlet and outlet fuel hoses from the cooling plate.

Remove the four cooling plate mounting capscrews. Do

not
lose any of the heat resistant grommets. The heat resistant grommets are on both sides of the cooling plate. One of the mounting locations has heat resistant star washer grommets on both sides of the cooling plate.

Remove the cooling plate

Install a new cooling plate.

Install the heat resistant grommets on both sides of the cooling plate.

Install the two heat resistant star washer grommets at the same mounting location.

Tighten the four capscrews.

Connect and tighten the inlet and outlet hoses to the cooling plate.

Inspect for paint or grease on the cooling plate.

CAUTION  Do not paint the cooling plate. Make sure there is no grease or dirt between the ECM and the cooling plate.

Install the ECM on the cooling plate. Install the six capscrews. Install the star washer under one of the capscrews.

Tighten the six capscrews.

Connect the actuator, sensor, and OEM connectors to the ECM. Use the following procedure in the CELECT™ Electronic Control System L10, M11, and N14 Engines, Bulletin 3666084. Refer to Procedure 019-031 in Section 19.