Sullair PC25 Rotor noise

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Hello,

I have a sullair PC25 compressor that starts making loud sounds once I load it. It has a female rotor driven pump and the pressure is set correctly. Could this be rotor clatter? and if it is, how can I solve this issue?

 

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Problem solved. the sound was caused by excessive vibration due to loose compressor anchoring bolts. Re-torqued the anchoring bolts and problem solved.

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