Fan Blade: Service and Repair

Fan Replacement

- Tools Required
- J 41240 Fan Clutch Remover and Installer
- J 41240-5A Fan Clutch Wrench

Removal Procedure





1. Remove the upper fan shroud. Refer to Fan Shroud Replacement - Upper (WIO M74) or Fan Shroud Replacement Upper (WIM74).
2. Install the J 41240 to the fan clutch.





3. Remove the fan blade.
4. Lay the fan blade face down on a workbench.





5. Remove the fan clutch bolts from the rear of the fan blade, if necessary.
6. Separate the fan clutch from the fan blade.

Installation Procedure





Caution: Do not use or attempt to repair a damaged cooling fan assembly. Replace damaged fans with new assemblies. An unbalanced cooling fan could fly apart causing personal Injury and property damage.

1. Install the fan clutch bolts. 2. Install the fan clutch onto the fan blade, if necessary.

Notice: Refer to Fastener Notice in Cautions and Notices.

3. Install the fan clutch bolts.
- Tighten the bolts to 23 Nm (17 ft. lbs.).





4. Install the fan blade.





5. Install the J 41240 to the fan clutch.
- Tighten the fan clutch nut to 56 Nm (41 ft. lbs.).
6. Install the upper fan shroud. Refer to Fan Shroud Replacement - Upper (WIO M74) or Fan Shroud Replacement - Upper (WIM74).