ADC AD-464 service manual

i.Burner Squirrel Cage Fan Components

The combustion air is produced by a 6-1/4" squirrel cage fan, attached to a 1-1/2 HP, 3,600 RPM motor. This motor must spin counterclockwise (CCW) as viewed from the rear of the motor.

1)Burner Fan Motor

a)Burner Fan Motor Replacement

(1)Discontinue electrical service to the dryer.

(2)Remove the four (4) #8-18 x 7/16" TEK screws which secure the inlet ring to the combustion air blower housing.

(3)Remove the two (2) 1/2-20 left hand jam nuts as well as the 1/2-inch flat washer.

(4)Remove the 6-1/4" squirrel cage fan.

(5)Remove the motor cover plate to reveal the wiring.

(6)Mark and identify wiring for correct replacement on to the new motor.

(7)Remove the cord grip and wiring harness from the motor.

(8)Remove the four (4) 3/8-16 x 3/4" hex head bolts securing the motor to the combustion air blower housing.

(9)To install new burner fan motor, reverse Step #8 thru Step #2.

(10)Reestablish electrical service to the dryer.

2)Burner Fan Squirrel Cage

a)Burner Fan Squirrel Cage Replacement

(1)Discontinue electrical service to the dryer.

(2)For removal of the 6-1/4" squirrel cage fan, follow Step #2 thru Step #4 of the Burner Fan Motor Replacement instructions above.

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