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M11 Series – Service Manual – 008-036   Fan Hub, Belt Driven

Table of Contents

Initial Check
Remove
Install

Initial Check

 TOC

Measure the fan hub end clearance.

Fan Hub End Clearance
mm in
0.08 MIN 0.003
0.41 MAX 0.016

Replace or rebuild the fan hub if the end clearance does

not
meet these specifications.

Refer to Section A for the replacement procedure.

Refer to the shop manual listed in Section L for rebuilding procedures, or contact your local Cummins Authorized Repair Location for rebuilding the fan hub.

SMALL | MEDIUM | LARGE

Remove

 TOC

Remove the fan and clutch assembly.

SMALL | MEDIUM | LARGE
   


Remove the fan drive pulley.

Remove the four capscrews and the fan hub.

SMALL | MEDIUM | LARGE
   

Install

 TOC

Install the new fan hub and four capscrews.

Torque Value:  47  n.m  [35 ft-lb]

SMALL | MEDIUM | LARGE
   


Install the fan drive pulley.

Install the fan and clutch assembly.

Install and tighten the mounting capscrews.

Torque Value:  68  n.m  [50 ft-lb]

Install, adjust, and tighten the fan drive belt.

SMALL | MEDIUM | LARGE
   


Tighten the fan idler pulley shaft locknut.

Torque Value:  190  n.m  [140 ft-lb]

Check the belt tension again after the locknut is tightened.

SMALL | MEDIUM | LARGE
Last Modified:  07-May-2003
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