Cummins ISX11.9 CM2250 – Service Manual 004-001   Cam Follower Assembly

Table of Contents

Install

Install

 TOC

Before installing the cam follower assemblies, the cylinder head deck must be cleaned. Refer to Procedure 002-004 in Section 2.

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Capscrews Number 1 and 4 on each shaft are doweled. The capscrews must align with the dowel rings in the cylinder block.

Install the cam follower assemblies into the cylinder block.

NOTE: Hand-tighten the mounting capscrews at this time. The cam follower side clearance must be adjusted before the capscrews are tightened to their final torque value.

Cam Follower Installation Side Clearance

mm in
0.30 NOM 0.012

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NOTE: This section is for installing the front cam follower assembly.

Tighten the Number 1 capscrew.

Torque Value:  5  n.m  [44 in-lb]

NOTE: This is not the final torque value.

Install a 0.30-mm [0.012 in] feeler gauge between the Number 1 clamp and the intake lever for cylinder Number 1.

Push the Number 2 clamp toward the front of the engine.

Tighten the Number 2 capscrew.

Torque Value:  5  n.m  [44 in-lb]

NOTE: This is not the final torque value.

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Install a 0.30-mm [0.012 in] feeler gauge between the Number 2 clamp and the intake lever for cylinder Number 2.

Push the Number 3 clamp toward the front of the engine.

Tighten the Number 3 capscrew.

Torque Value:  5  n.m  [44 in-lb]

NOTE: This is not the final torque value.

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Check the clearance between the Number 3 clamp and the intake lever for the Number 3 cylinder. There must be a nominal clearance of 0.30 mm [0.012 in].

Tighten all four capscrews to the final torque.

Torque Value:  65  n.m  [48 ft-lb]

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NOTE: This section is for the rear cam follower assembly.

Tighten the Number 1 capscrew.

Torque Value:  5  n.m  [44 in-lb]

NOTE: This is not the final torque value.

Install a 0.30-mm [0.012 in] feeler gauge between the Number 1 clamp and the exhaust lever for cylinder Number 4.

Push the Number 2 clamp toward the front of the engine.

Tighten the Number 2 capscrew.

Torque Value:  5  n.m  [44 in-lb]

NOTE: This is not the final torque value.

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Install a 0.30-mm [0.012 in] feeler gauge between the Number 2 clamp and the exhaust lever for cylinder Number 5.

Push the Number 3 clamp toward the front of the engine.

Tighten the Number 3 capscrew.

Torque Value:  5  n.m  [44 in-lb]

NOTE: This is not the final torque value.

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Check the clearance between the Number 3 clamp and the intake lever for the cylinder Number 6. There must be a nominal clearance of 0.30 mm [0.012 in].

Tighten all four capscrews to the final torque.

Torque Value:  65  n.m  [48 ft-lb]

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Last Modified:  25-May-2010