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I bought a 33 gallon direct drive Craftsman compressor. It does work and holds air. It was covered in dust from cutting marble for counters. I took the cover and spun the motor by hand. I can hear a squeak when the piston goes by top dead center. Should I lubricate the compressor head? And if so, with what? The users manual say nothing about lubricating the piston.

Thanks.
 

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Steven_R,

If this is an "oiless" type compressor do not add oil to piston. If it is a single piston oil lubricated pump, the oil is provided by the crankcase. What model compressor do you have? I would clean/replace the air intake filter in your case

Stephen

I bought a 33 gallon direct drive Craftsman compressor. It does work and holds air. It was covered in dust from cutting marble for counters. I took the cover and spun the motor by hand. I can hear a squeak when the piston goes by top dead center. Should I lubricate the compressor head? And if so, with what? The users manual say nothing about lubricating the piston.

Thanks.
 
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