generators & air compressors

fish_docFebruary 19, 2007

I AM GETTING READY TO BUILD A NEW HOUSE. IT WILL HAVE A DEDICATED SHOP(GENERAL PURPOSE AND WOODWORKING). IN ANTICIPATION OF THIS AND FOR USE DURING THE CONSTRUCTION PHASE, I BOUGHT A LARGE CRAFTSMAN AIR COMPRESSOR. IT IS A 3.2 RUNNING0 HP, 60 GAL, 150 PSI, AND 240 VOLT. UNTIL POWER IS BROUGHT IN, I WANTED TO RUN THIS FROM A CRAFTSMAN GENERATOR. IT IS 10 HP. 5600 (RUNNING ) AND 8600(SURGE)WATTS. IT HAS A 240 VOLT, 30AMP. OUTLET. FOR SOME REASON, THE AIR COMPRESSOR DOESN'T WORK WITH THAT GENERATOR. THE VOLTAGE OUTPUT IS 246-250 VOLTS AT THE GENERATOR PLUG (OUTLET) AND WHERE THE WIRE ENTERS THE AIR PRESSURE SWITCH WHEN THE COMPRESSOR IS RUNNING. THE VOLTAGE ON THE MOTOR SIDE OF THE SWITCH IS 140-146 VOLTS!!! I HAD THE GENERATOR TESTED AND TUNED UP PROFESSIONALLY AND IT WORKS FINE(I THINK). THE AIR COMPRESSOR WORKS LIKE A CHARM AT MY RESIDENCE USING THE DRYER OUTLET.

ANY THOUGHTS AS TO HOW TO SOLVE MY PROBLEM?

THANKS,

FISH DOC

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brickeyee

Turn off the caps lock?

    Bookmark   February 26, 2007 at 9:42AM
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ron6519

Possible that the 240 outlet on the generator is wired incorrectly? Did you try any other machine that uses 240?
Ron

    Bookmark   March 8, 2007 at 11:43AM
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fish_doc

Thanks for the ideas. The generator ran a 240V well pump for a year without any problems!!
Fish Doc

    Bookmark   March 20, 2007 at 11:23PM
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