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Thread: My Central Pneumatic air compressor machine creates smoke

  1. #1
    Associate Engineer
    Join Date
    Oct 2017
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    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.

    Thanks

  2. #2
    Project Engineer
    Join Date
    May 2015
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    131
    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.

  3. #3
    Associate Engineer
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    Oct 2017
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    I will try to il discharge from a compressor.
    Thanks

  4. #4
    Associate Engineer
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    Oct 2017
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    But Can you tell me how much reason is responsible to create smoke? Example

  5. #5
    Administrator Kelly Bramble's Avatar
    Join Date
    Feb 2011
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    Bold Springs, GA
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    Quote Originally Posted by olivia_lisa View Post
    But Can you tell me how much reason is responsible to create smoke? Example
    It most likely is oil vapor due to the pressure change form compressed to ambient.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

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