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Thread: My Central Pneumatic air compressor machine creates smoke

  1. #1
    Associate Engineer
    Join Date
    Oct 2017

    Post My Central Pneumatic air compressor machine creates smoke

    Hey, Everyone!

    I have a Central Pneumatic 21 Gallon air compressor. I bought it a few month ago. Its 2.5-hp motor producing 125 psi of max pressure and 5.8 CFM at 40 psi & 4.7 CFM at 90 psi. This air machine is generally quiet and most powerful of the air compressor market.
    But Nowadays I faced with a critical problem. This air machine creates smoke from the starting of the run. Why?
    Please advise me to solve it.


  2. #2
    Project Engineer
    Join Date
    May 2015
    My first guess would be oil vapor. A quick check for oil discharge from a compressor is to put a piece of white paper (with a suitable backing) in front of the discharge for a few minutes and see what collects on the paper.

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