Fan mounting details: 1 - nut; 2 - spring washer; 3 - flat washer; 4 - spacer sleeve; 5 - rubber cushion
1. Disconnect the fan motor wires from the holder on the fan shroud.
2. Unscrew the three fastening nuts and remove the electric motor with the impeller from the casing.
3. Loosen the fastening nut.
4. Remove the impeller from the motor.
5. To replace the fan pads, use a screwdriver to push the spacer out of the pads.
6. Remove the pad from the hole in the fan shroud.
7. Install the motor with impeller on the casing in the reverse order of removal.