Question about Black Bull Air Tools & Compressors
I need the diaphram in the On/Off pressure switch on a Black Bull- 4 Gal., 2 HP, 5.0 cfm @ 90 PSI 120 v /13.8 amp . Batch # 0911. These are the only # I can find
Posted on Apr 14, 2016
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Posted on Jan 02, 2017
worn compressor rings, not a real issue, I assume it is more of a build up over time, say a gram of oil is blown into the lines every year, well one gram would not be noticed nor two but since it soes not evaporate it builds up to the point that you can see it, some oil is blown by brand new compressors and over time gets to be more and more, but as long as you are still getting full pressure you do not have to service the compressor, but since this is being used on water pipes I would install a trap inline to catch the oil
Posted on Oct 13, 2008
Your manual pressure release valve might be stuck open or blocked open by some debree. It should have a steel pull ring on the end of it. Exercise it and try running it again. Also the pressure regulator adjustment might have been backed off to zero. Crank it clockwise and see if this helps. Check the air output lines from the compressor to the tank for leaks.
Posted on Jun 22, 2009
If the proplem only happens after the initial start-up with the tank empty, then your back flow valve is sticking and preventing the compressor from kicking over imediately. If it does it all the time, even when the tanik is empty, then your capacitor on the motor is not charging correctly.
Posted on Jan 17, 2010
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