Thermo King KD-II SR, Manual

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Structural Maintenance (Rev. 04/03)
138
Fan Shaft Assembly Overhaul
Disassembly
1. Remove the fan shaft assembly from the unit. Remove
both oil plugs and drain the oil from the housing.
Removing Bearing Retainer Bolts
2. After draining the oil from the housing, remove the
four retaining bolts from the bearing retainer cap.
Removing Shaft
3. To remove the shaft from the assembly, tap the opposite
end of the shaft with a soft hammer. After the shaft has
been removed, clean all parts in clean solvent.
Removing Oil Seal
4. Using a punch, remove the oil seal from the evaporator
end of the assembly. With the seal removed, clean the
housing in solvent.
5. Check the condition of the vent. If it is loose or dam-
aged, it must be repaired or replaced.
6. After all the parts are cleaned, inspect the bearings and
bearing races for wear or damage.
7. To replace the bearings, first remove the roll pin that is
in the center of the shaft.
Removing Roll Pin