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001-010 Camshaft Bushings

Initial Check

Inspect the amount of copper exposure on the camshaft bushing. If it extends more than 180 degrees around the bushing, the bushing must be replaced.

Measure the inside diameter.

Camshaft Bushing Inside Diameter

mm in76.200 MIN 3.000076.289 MAX 3.0035

If the bushing is not within specifications, the bushing must be replaced.

Remove

Use hydraulic actuator kit, Part Number 3823621, and camshaft bushing installation/removal kit, Part Number 3823647, to remove the camshaft bushings.

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Remove the camshaft bushings.

Inspect for Reuse

Clean and inspect the camshaft bushing bore.

Camshaft Bushing Bore in the Block

mm in82.639 MIN 3.253582.665 MAX 3.2545

If the inside diameter is not within specifications, install a repair sleeve. Refer to the Alternative Repair Manual, Bulletin 3379035, for repair and sleeve information.

Install

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Align the oil holes in the bushing with the oil drillings in the block.

The notch in the bushing must be positioned toward the front of the block.

CAUTION Clean the oil groove in the back of the camshaft bushing to prevent contamination of the lubrication system.

Use the camshaft bushing driver assembly, Part Number 3376637 , and the specified driver kit (mandrel):

3.188” Cam bore driver kit, Part Number 3376634.

3.254” Cam bore driver kit, Part Number 3376635.

Install the bushing until the edge of the groove on the back (outside diameter) is even with the edge of the block.

Clean the bushing outside diameter Remove any metal shavings from the oil groove.

CAUTION Be sure the front bushing is below the surface of the block.

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Install the bushing until the oil holes are aligned.

Use a 7 mm [¼-in] Allen wrench to check the alignment of the bushing oil holes.

There are three holes in each bushing. All holes must be aligned, except on the front bushing.

There are no drillings to align with the upper holes on the front bushing.

Last Modified: 21-Oct-2008

Copyright © 2000-2010 Cummins Inc. All rights reserved.

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