Question about Ingersoll Rand Air Tools & Compressors
Posted by Anonymous on
Usually, motor will draw lower amperage when tank is empty then draw most when about full. High amp draw is caused by long cord, weak capacitor, leaking check valve or blown head gasket/s. If gaskets are bad, the head of the compressor will be very hot and take much longer to fill. If the motor (is too small) is not correctly matched to the pump, the motor will draw max amps. To correct motor to small, use a smaller pulley at the motor. Using a smaller pulley will turn the pump less rpm giving the motor a break lowering amp draw. Good luck
Posted on Mar 24, 2014
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Posted on Jan 02, 2017
Tips for a great answer:
You didn't provide all pertinent info available to you. Lets take what we have; and, consider why your compressor is overloading the circuit breaker. Points to ponder:
Not knowing the exact model (not series) I don't know what the amperage pull is for your "extreme" compressor or the circuit breaker's rating. A 25 amp compressor connected to a 25 amp breaker could be an issue. Campbell Hausfeld's support pages are crashing so I can't check the possabilites.
Are you using a lightweight extension cord? The lower the rating of an extension cord the higher the amp pull on the breaker. If you eliminate the extension cord does the problem go away? Ohm's Law applies. <http://www.ohmslawcalculator.com/ohms-law-calculator>
What else is on this breaker? Is there other high-amp equipment in another room (water cooler, window air-conditioner, portable electric heater, etc.) pulling from this same circuit breaker.
Is the circuit breaker not performing to specification? I've seen failing breakers trip early.
First, check the owner's manual for power requirements. Next step, use no extension cord; and, insure nothing else is pulling power on that breaker. Then, use a different breaker and see if the problem follows the compressor. If all else checks out than I'd consider binding in the compressor causing the amp pull to be too high.
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