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Cummins N14 – Lubricating Oil Transfer Tube – Installation

Lubricating Oil Transfer Tube – InstallationInstall a new rectangular sealing ring in the lubricating oil
pump mounting flange.
Use clean vegetable oil to lubricate the seal.
Install the sealing ring expander (1), Part No. 3376844, into the end of the lubricating oil transfer tube, and push
the tube through the flange. Remove the sealing ring expander from the suction tube.

Install a new o-ring on the oil pan lubricating oil suction tube.
Use clean vegetable oil to lubricate the o-ring.

Loosely install the lubricating oil transfer tube assembly with the lubricating oil pump mounting flange, new sealing
ring, new gasket, and the mounting capscrews to the oil pan and lubricating oil pump.
NOTE: The printed side of the mounting flange gasket on the oil transfer tube must be toward the flange.

Tighten the capscrews in the following sequence:
• First, tighten the two capscrews (1) at the oil pan.
• Second, tighten the capscrews (2) at the lubricating oil pump.
Torque Value: 47 N•m [35 ft-lb]