Home » ISX11.9 CM2250 - Service Manual » Cummins ISX11.9 CM2250 – Service Manual 008-036   Fan Hub, Belt Driven

Cummins ISX11.9 CM2250 – Service Manual 008-036   Fan Hub, Belt Driven

Preparatory Steps

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Remove

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Remove the mounting capscrews and the fan hub assembly.

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Clean and Inspect for Reuse

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Inspect the fan hub for the following:

  • Freedom of rotation
  • Cracks
  • Grease seal leakage.

Repair or replace the fan hub if the fan hub does not rotate freely, or if there is evidence of cracks or grease seal leakage. Refer to the OEM service manual for additional inspection.

If the fan hub is being replaced due to a bearing malfunction, inspect the uppermost idler pulley for a malfunction. Refer to Procedure 009-058 in Section 9.

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Install

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Make certain the correct fan center is used for the application.

Install the fan hub assembly and the capscrews.

Tighten the capscrews. Refer to the OEM service manual for torque specifications.

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Finishing Steps

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Last Modified:  07-Jul-2010