Cummins N14 STC, Celect, Celect Plus – Service Manual 007-040   Lubricating Oil Transfer Tube

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

WARNING  To reduce the possibility of personal injury, avoid direct contact of hot oil with your skin.

• Disconnect the batteries. Refer to the OEM service manual.
• Drain the lubricating oil system. Refer to Procedure 007-037 in Section 7.

Remove the two capscrews from the flange at the oil pan and also the two capscrews from the flange at the lubricating oil pump.

Remove the lubricating oil transfer tube.

Remove and discard the o-ring from the oil pan flange tube and the rectangular sealing ring from the lubricating oil pump mounting flange.

WARNING  When using solvents, acids, or alkaline materials for cleaning, follow the manufacturer’s recommendations for use. Wear goggles and protective clothing to reduce the possibility of personal injury.

WARNING  Wear appropriate eye and face protection when using compressed air. Flying debris and dirt can cause personal injury.

Clean the lubricating oil transfer tube and the mounting flanges with solvent.

Dry with compressed air.

Inspect the tube and the flanges for cracks, corrosion, or other damage.

Install a new rectangular sealing ring into the lubricating oil pump mounting flange.

Use clean vegetable oil to lubricate the seal.

Install a new o-ring onto 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.

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

WARNING  To reduce the possibility of personal injury, avoid direct contact of hot oil with your skin.

• Fill the lubricating oil system. Refer to Procedure 007-037 in Section 7.
• Connect the batteries. Refer to the OEM service manual.
• Operate the engine until the water temperature reaches 82°C [180°F], and check for oil leaks.