Replacing Fan Motor On Ac Unit. Gently slide a flathead screwdriver between the two halves of the motor housing, then gently twist the screwdriver so the halves start to separate. That said, if your ac unit’s warranty hasn’t expired yet, you’ll only pay for labor costs.

The screws hold the two halves of the casing together. Make sure that you vacuum out the inside of the fan motor housing by placing the mouth of the wand against the holes in the ends of the motor’s case. When the fan runs intermittently, it could be one of two problems.

Use A Screwdriver To Remove The Screws.
Remove the bolts holding the motor in place, then remove the screws securing the fan blade. Loosen the bolt that tightens the band around the motor. When the fan runs intermittently, it could be one of two problems.
A Professional Hvac Specialist Will Also Replace The Ac’s Run Capacitor, Which Runs The Condenser Motor.
Unplug the connectors for the fan control module. If the reading is outside this scale, you need to replace the fan motor. Still trying to keep higher pressure switch from tripping.
Then, Clip The Vom Probes To The Wires.
Align the set screw with the flat section of the motor shaft and tighten the screw. There are usually four to six, equally spaced. It is important to know what kind of warranty you have on your ac, however.