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M11 Industrial Operation and Maintenance – 008-030   Fan Drive Idler Pulley Assembly

Table of Contents

Initial Check

Initial Check

 TOC

Remove the fan drive belt. Refer to Procedure 008-002 (Drive Belt, Cooling Fan) in Section A.

Inspect the idler pulley for:

  • Freedom of rotation
  • Cracked, chipped, or broken pulley grooves.

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Measure the idler pulley end clearance.

Idler Pulley End Clearance
mm in
0.025 MIN 0.0010
0.250 MAX 0.0100

Replace or rebuild the idler pulley if the end clearance is not within these specifications. Refer to Procedure 008-030 (Fan Drive Idler Pulley Assembly) in Section A

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Last Modified:  26-Apr-2005
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