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Over Pressure My DeWalt D55141 Air Compressor does not shut off when maximum pressure is reached, but continues to run until the relief valve lifts. Any suggestions?

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  • Anonymous Mar 13, 2014

    Motor continues to run when pressure reaches maximum psi

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I suggest trying to adjust the pressure switch, however, it is more likely that the pressure switch is bad and will need replaced. These can be purchased at most hardware stores or www.mcmaster.com. After you install it, you will need to readjust it to the pressure it was originally set to so as to not overpressurize the tank. Overpressure is very dangerous so do not use the compressor until it is repaired.
Best wishes!

Posted on May 11, 2009

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1 Answer

I have a Dewalt model D55166. It will not shut off when it reaches the maximum allowed air pressure. What could cause this?


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1 Answer

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