Need Blower Motor and Capacitor

kadini

I posted here several months ago about intermittent furnace wouldn't start up problem. Well, whatever it was the furnace mostly worked fine since then.

Now the blower motor won't run. It buzzes but won't spin. Tech said we need a new motor and should replace capacitor at the same time. That was about 2 weeks ago and the service company seems to have lost interest.

I spent some time trying to find a new blower motor and nothing. Nobody has ours and they can't cross reference a replacement.

Based on the following can anybody help me find a motor and capacitor. And if so is there any reason I can't replace it myself?

Any help offered is GREATLY appreciated.

mattmia2

did you try just replacing the cap? that is usually the cause of it humming but not turning. if you get it spinning in the right direction and turn it on it will usually sort of run although if it is capacitor run it won't get up to full speed. get the made in usa caps like the titan hd.

if it says 5mfd under the clamp this is the right cap:

https://www.supplyhouse.com/Titan-HD-POCF5A-5-MFD-Oval-Motor-Run-Capacitor-440-370V

does it spin freely? is there play in the motor shaft up and down or front to back?

if it is the motor we can help you match it up but we will need to see the motor ratings plate and the shaft size and how it it mounted. there are universal parts that will let you mount a new motor in there.

EdTheHeaterMan

Agree. Try replacing the Capacitor first. That is easy! Turn off the power to the equipment before touching any wires!

kadini

OK will try replacing capacitor first. If that doesn't work can still buy new motor right?

And the motor does spin freely. I will do some disassembly tomorrow.

Thanks!

mattmia2

unless there is something very unexpected inside that blower housing it is just a standard motor.

pecmsg

You need the information off the actual motor.

HVACNUT

Show the label on the actual motor. A standard Rescue motor would probably work, as long as its not a welded frame to motor.

EdTheHeaterMan

To get to the label of the motor you usually need to remove the motor, which can be a project.

1. power off appliance
2. take a picture of the motor wire connections
3. disconnect motor wires from the appliance
4. Remove blower from the appliance
5. loosen the fan set screw from the motor shaft
6. remove mounting screws/bolts that secure the motor mount to the blower housing
7. remove motor from blower housing

Now you have the motor in hand with the bracket that may be covering the motor information and specifications. You may need to remove the mounting bracket to see the information.

If at any time during step 1 thru 7 you can see the motor specification as to the Horse Power (HP) revolutions Per Minute (RPM) and voltage, you can stop there and order the replacement motor with that information.