Cummins N14 – Accessory Drive – Installation

Rotate the crankshaft until the accessory drive timing marks on the camshaft gear are at approximately the 1:00 o’clock position.

Install a new gasket on the accessory drive assembly.
Put the accessory drive shaft dowel pin at approximately the 11:30 o’clock position when facing the shaft from the pulley end.

Install the accessory drive assembly in the gear housing accessory drive mounting hole.
Check the alignment of the camshaft gear and the accessory drive gear timing marks.

NOTE: The accessory drive shaft dowel pin will be at the 12:00 o’clock position after the accessory drive is installed.

Install and tighten the five accessory drive mounting capscrews.
Torque Value: 61 N•m [45 ft-lb]

Use a dial indicator to check the backlash between the accessory drive gear and the camshaft gear.
Install the tip of the dial indicator against a tooth on the accessory drive gear as shown.

Push the accessory drive gear against the accessory drive thrust washer or thrust face.
Hold the gear against the thrust washer or thrust face when checking the backlash.

Turn the accessory drive gear by hand as far as it will freely move, and set the dial indicator to ‘‘0’’ (zero).

Turn the accessory drive gear by hand in the opposite direction as far as it will freely move, and read the dial indicator.

15. October 2020 by samuel
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