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Cdewalt d55133 compressor. compresor fill air tank but when engine try to start again humms and the breaker come on and wont start

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It sounds like the valve that releases the pressure out of the pipe that runs between the compressor and tank is not working once the tank is full and the motor automatically cuts off. This valve is attached to the Pressure control switch that switches the motor On & Off and usually has a small pipe going to it. You know the valve is working by the sound of a short spurt if air being released when the motor cuts off. If the valve is not releasing this air the compressor is trying to start under full load which the motor is not capable of doing, hence the humming and popping of breakers due to a current overload as the motor tries to start.

Posted on Aug 26, 2010

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