Air compressor acting funny, what gives?!

RustyRatRod said

Secret number three. Almost 100% of these import compressors run the pump WAY too fast. Generally, you want your pump speed to be around 750 RPM. You can figure all that out with this new stuff called math. Get you a smaller pulley for the motor and slow that pump down. It will run cooler and probably last forever.

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Rusty, does doing this reduce the output of the compressor? IE. if you slow the pump speed in half, wouldn't it cut the cfm in half as well and take twice as long to fill up? Just curious, as this sounds like a really good idea.

To the OP- those Kobalt compressors (and husky's for that matter) are just re-badged campbell hausfeld units. I'd call them and see if there's anything they can do. Wouldn't hurt to ask at least. My Husky 60gallon compressor is no shop compressor, but it does everything I need it to and then some. Plus, I bought it new for under $400 at Home Depot. As Rusty said, not everyone needs or can afford a $1500-up industrial compressor.