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Discussion Starter #1
Hey just needing some input. I have a 33gallon craftsman air compressor I have been using for a couple years now. It is one of those oil less ones which I am not finding is not so great. The compressor works good but the biggest thing I have had issues with about the entire life of the compressor is it tripping my house breaker when it kicks on. It was originally wired in with the rest of the garage. I recently re did some wiring and it is wired now with 12awg, a 20 amp breaker, 20 amp outlet, no extension cord and about 15-20ft of wire between the outlet and the breaker. I am still having issues with this thing tripping the breaker. I don't know if it is a bad capacitor or something on the motor but it gets old. It will trip it a couple times then cycle on and work perfectly fine. The garage is heated in the winter and insulated. Any thoughts on this? I thought of running some 10awg wire and a 30 amp outlet and breaker but I feel like the air compressor is rated for 15 amps I should not need to double that.

I would like a new compressor but right now that is out of the question with my current life situation and until I can afford a new one I need to make this one work unless it is going to cost me a ton of money to get working right since I only paid like $250 for this thing 4 yrs ago.
 

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If you find out the problem let me know. I've got a 20 gallon craftsman that's doing the same thing. I've put capacitors on it but that didn't help. Not sure if the motor is bad or the compressor.
 

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Discussion Starter #3
That is what I was worried about was a motor or compressor. I feel like it is not worth replacing either since they are not the best air compressors. I wish I would have just spent a little more when I got it and got the professional one that has oil in it. Seemed like this was a good compressor at the time. Unfortunately I have to prioritize funds and time the RZR is in pieces right now replacing a drivers rear hub, and trying to figure out why it is low on power so got to get that done then hopefully I can look at my air compressor.

I looked in my manual just now it says to check some check valve/pressure relief valve to check. I know I have replaced that valve before because it was leaking. It says that valve allows the pressure to release from the compressor to help it spin easier.
 

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I put new points on mine too. That didn't help. I didn't put the check valve on yet. Let me know how that works. I'm in the same boat as you. I looked at new motors yesterday at TSC and they're almost as much as a new compressor.
 
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