Master Flow MOTOR24DD Operating instructions

WHFS24M Motor Replacement

 Locate breaker switch in household breaker panel and shut power off to unit and turn.

Disconnect fan wiring

 Remove electrical box cover and disconnect wiring.

 Disconnect green ground wire.

 Using an adjustable wrench remove the blade from the motor shaft by loosening the set

screw located on the center collar of the blade.

** ( NOTE POSITION OF BLADE ON SHAFT BEFORE REMOVING ) **

 Red wire (Port 2) and Black motor wires (Port 1) can be released from switch by

inserting a push pin into the release port.

 Loosen the bolts that secure the motor to the support arms. At this point you should be

able to slide the motor out and replace with new.

 Reconnect electrical wiring.

 Attach green ground wire.

 Replace blade making sure that the blade is in the correct position.

 Turn power back on at breaker switch.

Masterflow Tech. Services / Warranty Dept.

800-211-9612

Fax : 910-259-1677