Sweet Dreamer
Aluminum
- Joined
- May 26, 2013
- Location
- Pennsylvania
I have a 208-230 volt 1 PH 3/4 hp motor. General Electric.
It's a used motor. I had a 'bug' in it when I first got it. I literal bug. When you turned the shaft it make a horrible scraping sound. I took the motor apart and discovered that something like a mud wasp must have been building a mud nest in this motor. That's what was causing the horrible scraping sound. Once all that was cleaned out and the motor reassembled it rolls over smooth and quiet. So I'm guessing it might be good to do now. The internal parts looked to be in good shape other than the mud wasp nest.
Some things to note? This motor is single phase. 208-230 volt only according to the label on it.
Here's the label:
It has no internal switches that I could see. It's a very simple motor. It also has no start capacitor attached to the motor.
But as you can see on the label they include a wiring schematic which I redrew here for clarity:
Now I'm a bit confused. First it doesn't say what size cap to use.
Secondly according to this schematic the capacitor is wired in directly and permanently. Is that right? Is this a start-up cap or something else?
I never wired up a motor like this before to 220. So I'm a little leery about it. I guess I could just try this and see what happens?
Although I have no clue what size cap to use? 100 MFD? That would be my first guess.
I can't believe they didn't include that info on the schematic when they printed the label.
I'd like to get this motor up and running. Should I just wire in a 100 MFD cap directly and hope that works? I'm going to put that cap in a box in case it blows up. I don't want it blowing up in my face.
It's a used motor. I had a 'bug' in it when I first got it. I literal bug. When you turned the shaft it make a horrible scraping sound. I took the motor apart and discovered that something like a mud wasp must have been building a mud nest in this motor. That's what was causing the horrible scraping sound. Once all that was cleaned out and the motor reassembled it rolls over smooth and quiet. So I'm guessing it might be good to do now. The internal parts looked to be in good shape other than the mud wasp nest.
Some things to note? This motor is single phase. 208-230 volt only according to the label on it.
Here's the label:
It has no internal switches that I could see. It's a very simple motor. It also has no start capacitor attached to the motor.
But as you can see on the label they include a wiring schematic which I redrew here for clarity:
Now I'm a bit confused. First it doesn't say what size cap to use.
Secondly according to this schematic the capacitor is wired in directly and permanently. Is that right? Is this a start-up cap or something else?
I never wired up a motor like this before to 220. So I'm a little leery about it. I guess I could just try this and see what happens?
Although I have no clue what size cap to use? 100 MFD? That would be my first guess.
I can't believe they didn't include that info on the schematic when they printed the label.
I'd like to get this motor up and running. Should I just wire in a 100 MFD cap directly and hope that works? I'm going to put that cap in a box in case it blows up. I don't want it blowing up in my face.