Recent content by candjcycles

Im pretty sure its the original motor. 1750 rpm, 1/2 hp, 115 volt. The compressor turns ny hand when off. When power is on it siezes. All it does is hum when it is on.

Thanks buddy. I am thinking the switch is the problem too. Not sure how this thing was treated in the past. You may be right.

I tested continuity on the pressure switch closed and open. It has continuity in both positions. From terminal to terminal on the switch there is very little resistance measured. I havent tested the voltage on the 2 terminals when the compressor is plugged in. I will test that tomorrow. Is there...

One more.

I picked up a start capacitor for $8 from the appliance store and swapped it. There was no change in condition. I disassembled the motor to see if there was any obvious signs of failure. Here are some pictures of it disassembled. It is pretty worn out.

When the motor is unplugged the pulley spins freely but when the motor is energized it seizes and only makes a humming noise. I used fine sandpaper and cleaned the contacts. I also applied some oil to the centrifugal clutch shaft to make sure it moves freely. The inside of the engine is filthy...

I acquired this Sanborn compressor on trade. I think the motor is trash. I was wondering if anyone might have some good advice as to where i could get an inexpensive used motor for this. I was thinking of replacing the motor with one of the Smith+Jones motors from Harbor freight but they are...