Cummins N14 – Lubricating Oil Pump – Installation

Install a new gasket on the mounting trunion of the lubricating oil pump.

Install the lubricating oil pump in the mounting hole in the cylinder block gear flange.
Install and tighten the five mounting capscrews.
Torque Value: 54 N•m [40 ft-lb]

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

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

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

If the backlash is not within specifications, the lubricating oil pump drive gear must be replaced.

15. October 2020 by samuel
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