Question about Campbell Hausfeld 20 - Gallon Air Compressor

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Campbell Hausfeld compresser throwing breaker

When I run my compressor it works fine and builds pressure until it kicks off. But when I use air and to refill the tank the motor hum's and it throws the electrical breaker. If I wait until the motor cools it works fine again. Any ideas???

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  • rg69z Jan 21, 2009

    I have an older 20 gl 5 hspwr compressor from Camb Haus. and it does the same thing builds pressure just fine when i use a tool and the compressor starts, it humms and tripps my breaker. I have taken the valves apart including the check valve and found that it is holding and working fine i have removed and polished the reed valves, they too seem to be working fine. my on off switch has been broke for sometime but this problem just surfaced recently. I will bleed of air to 40 psi tank pressure and my compressor will start fine. Cant figure it out?

  • Anonymous Mar 19, 2014

    motor is running but air pressure is zero.

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There is a one way valve that only lets air from compressor to tank. If this isn't working the motor is trying to start under the pressure of the tank, and therefore tripping your breaker.

Posted on Nov 30, 2008

  • William D Emmons
    William D Emmons Mar 01, 2015

    i have the same problem same compressor, i took out the check valve and it works. what is the next thing to try?

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I had the exact same problem. Mine was because I had several ounces of water in my tank. I drained the tank and now it works great. I have come across others that have fixed this problem by replacing one or all of these: Check Valve, Unloader Valve, or Pressure Switch. Hope this helps your are someone else with the same issue.

Posted on Feb 14, 2013

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It could be that the bearings on your motor are defective or warn allowing the amateur to move sideways in the fields, or the motor is too small to run the compressor. If it's the latter, replace the motor with a larger motor ( more horsepower ). If it's the former replace the bearings or bushings or replace the motor.
Good luck,
shag79

Posted on Nov 30, 2008

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