Cummins N14 STC, Celect, Celect Plus – Service Manual 001-031   Gear Cover, Front

Install one 7/16 – 20 x 4-inch guide stud into each side of the gear cover mounting flange to align the cover.

Install the gear cover gasket over the guide studs and the dowel pins.

NOTE: Use a film of Lubriplate® 105, or equivalent, to hold the gear cover gasket in place, if necessary.

Install the gear cover and the mounting capscrews.

Tighten the capscrews to the following torque sequence as illustrated:

Cut off the ends of the gasket even with the oil pan mounting flange.

Mount a dial indicator on the front face of the crankshaft. Place the indicator plunger against the oil seal bore, and set the dial indicator at “0” (zero).

Rotate the crankshaft one complete revolution while monitoring the indicator. Use the accessory drive nut to bar the engine over. The total indicator reading

must not exceed 0.38 mm [0.015 in].

If the total indicator reading exceeds 0.38 mm [0.015 in] remove the gear cover. Check the cover and the housing for nicks or burrs.

Clean the gear cover and the housing surfaces thoroughly.

Repeat the gear cover installation procedure and check the total indicator reading again.

Install the front engine support and eight mounting capscrews.

Tighten the capscrews.

Lower the engine to the crossmember. Install and tighten the capscrews which hold the front engine support to the crossmember. Refer to the OEM service manual for torque specifications.

Install the front crankshaft seal.

Refer to Procedure 001-023 in Section 1.