Cummins N14 STC, Celect, Celect Plus – Service Manual 001-066   Gear Cover Accessory Drive Bushing

NOTE: This procedure requires the Accessory Drive Removal and Installation Kit, Part Number 3824703.

• Install the accessory drive pulley. Refer to Procedure 009-004 in Section 9.
• Install the accessory drive seal. Refer to Procedure 001-003 in Section 1.
• Install the fuel pump. Refer to Procedure 005-016 in Section 5.
• Install the air compressor. Refer to Procedure 012-014 in Section 12.
• Install the accessory drive. Refer to Procedure 009-001 in Section 9.

In order to correctly align the oil hole in the bushing with the hole in the gear cover, scribe a line on the outside diameter and face of the bushing, centered through the oil hole.

Scribe another line on the face of the gear cover, centered through the oil hole.

Tighten the 1/4-inch socket head capscrew (1) securely on the bushing driver mandrel (4).

Assemble the bushing drive plate (3), thrust bearing (2), and the accessory drive forcing screws (5).

Position the bushing driver plate (3), thrust bearing (2), and the accessory drive forcing screw (5) over the block face where the accessory drive is mounted.

Rotate the accessory drive forcing screw (5) clockwise in the bushing driver mandrel (4).

Insert a 1/4-inch Allen wrench in the capscrew (1) to keep the bushing driver mandrel (4) from rotating when turning the accessory drive forcing screw (5).

Turn the accessory drive forcing screw (5) clockwise while holding the bushing driver mandrel (4).

Turn the forcing screw clockwise until the bushing slips out of the gear cover.

Measure the gear cover accessory drive bushing bore.

Accessory Drive Bushing Bore Inside Diameter

NOTE: Replace the gear cover if the bore is not within specifications or if the bore is cracked or damaged.

Tighten the 1/4-inch socket head capscrew (1) securely on the bushing driver mandrel (4).

Insert a bushing over the bushing driver mandrel (4).

Assemble the bushing driver plate (3), thrust bearing (2), and the accessory drive forcing screw (5).

Align the scribe line on the bushing with the scribe line on the face of the gear cover.

Position the bushing driver plate (3), thrust bearing (2), and the accessory drive forcing screw (5) over the block face where the accessory drive is mounted.

Rotate the accessory drive forcing screw (5) clockwise into the bushing driver mandrel (4).

NOTE: Make sure the scribe line on the bushing stays aligned with the scribe line on the face of the gear cover.

NOTE: Make sure the scribe line on the bushing stays aligned with the scribe line on the face of the gear cover.

Insert a 1/4-inch Allen wrench in the capscrew (1) to keep the bushing driver mandrel (4) from rotating when turning the accessory drive forcing screw (5).

Turn the accessory drive forcing screw (5) clockwise while holding the bushing driver mandrel (4).

Stop turning the accessory drive forcing screw (5) when the bushing becomes fully seated in the gear cover hole.

CAUTION  Failure to align the bushing oil hole with the hole in the gear cover will stop oil from circulating through engine and cause damage to the engine.

Remove the bushing drive mandrel (4) from the gear cover by turning the accessory drive screw (5) counterclockwise.

Check the bushing oil hole alignment with the gear cover oil hole.

Use a 3.17 mm [0.125 in] diameter rod to check the position and the location of the oil hole in the bushing and the gear cover.

The rod must pass through the oil hole in the bushing and into the oil supply drilling in the gear cover.

• Install the accessory drive. Refer to Procedure 009-001 in Section 9.
• Install the air compressor. Refer to Procedure 012-014 in Section 12.
• Install the fuel pump. Refer to Procedure 005-016 in Section 5.
• Install the accessory drive seal. Refer to Procedure 001-003 in Section 1.
• Install the accessory drive pulley. Refer to Procedure 009-004 in Section 9.
• Operate the engine and check for leaks.