Model #919165070 Craftsman air compressor

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Question and Answers

Q:

My Craftsman compressor model 919165070 trips the breaker. Why?

A:

The check valve on the tank holds the pressure in the tank when the motor shuts off. It also bleeds the pressure out of the discharge tube from the compressor. This allows the motor to start back with no back pressure to overcome.

If the check valve doesn't close good it allows the tank pressure to fill the discharge tube. The motor can't start against the back pressure and will trip the breaker.

You need to replace the check valve on the compressor. The part number of the check valve is A19712, and the price is around $13.00.

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Jimmy K -
Sears Technician
August 25, 2009
Q:

I have a Craftsman compressor model 919165070. It trips the breaker after the initial fill. What causes this?

A:

The check valve on the tank holds the pressure in the tank when the motor shuts off. It also bleeds the pressure out of the discharge tube from the compressor. This allows the motor to start back with no back pressure to overcome.

If the check valve doesn't close good it allows the tank pressure to fill the discharge tube. The motor can't start against the back pressure and will trip the breaker.

You need to replace the check valve on the compressor. The part number of the check valve is A19712, and the price is around $13.00.

Read More
Jimmy K -
Sears Technician
August 25, 2009
Q:

Why does my air compressor, model 919-165070, not cut off? It runs and the safety valve pops up.

A:

The pressure switch on the air compressor is what turns the motor off when the operating pressure is reached. The pressure switch is not adjustable.

If you removed the wires on the pressure switch when you were working on the compressor, be sure they are installed correctly.

Most pressure switch terminals are labeled Line and Load. The incoming power lines go on the Line terminals. The motor leads go on the Load terminals. It doesn't matter which wire goes on which terminal, but you want the black line wire to close to the black or red motor wire. If you send us a picture of the terminals, and the colors of wire you have, we can tell you how to wire it.

If the pressure switch is wired correctly, you need to replace the pressure switch.

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Jimmy K -
Sears Technician
January 06, 2010