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  1. #1
    Join Date
    Dec 2010
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    How to clean the vacuum guage sensor

    I have YJ vacuum guage, also watch the tech tip "sensor cleaning" form youtube.
    http://www.youtube.com/watch?v=0RSRMqIuvC4

    However, I cannot get Zep Aerosol Solvent Degreaser in MA, this product is restricted from many states. Any people tell me what substitution I can use to clean my sensor.

    Thx,

  2. #2
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    26,449
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  3. #3
    Join Date
    Sep 2008
    Location
    Western PA
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  4. #4
    Join Date
    Apr 2013
    Location
    Seattle, WA
    Posts
    18
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    Are all aerosol solvents restricted? I used this on my Supco VG64:

    http://www.amazon.com/CRC-Electrical.../dp/B003NTQCA2

    If it's available, it should be at your local auto parts store.

    Reading was spot-on after cleaning. Denatured alcohol is the "recommended" cleaner. I had the gauge apart to fix a leak and decided to clean it with this stuff while I had it open.

    Matt

  5. #5
    Join Date
    Dec 2010
    Posts
    2
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    Thanks,

    not all aerosol solvents are restricted, but YJ showed the restricted solvent which is restricted in many states

    http://www.grainger.com/Grainger/ZEP...egreaser-4TML4
    This item has been restricted from sale in the following states: [CA, CT, DC, DE, IL, MA, MD, ME, MI, NH, NJ, NY, OH, PA, RI, VA]

    Maybe I try the following from grainger : http://www.grainger.com/Grainger/wwg/itemDetails.shtml
    Name:  4YPJ6_AS01.jpg
Views: 204
Size:  10.6 KB

    Thx,
    Mark

  6. #6
    Join Date
    Apr 2013
    Location
    Seattle, WA
    Posts
    18
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    I would hesitate to use that. According to the MSDS it's mostly acetone:

    http://www.crcindustries.com/faxdocs/msds/2185.pdf

    Depending on what kind of plastics are in your gauge, the acetone could damage them. My Supco has the thermistors sealed to the brass fittings with epoxy. Epoxy is generally pretty resistant to solvents (even acetone), but to me it's not worth a chance on something that expensive.

    The electronics cleaner I mentioned is advertised as safe for plastic, and contains no acetone. MSDS:

    http://www.crcindustries.com/faxdocs/msds/5101.pdf

    Basically anything that isn't too aggressive and evaporates completely should work nicely.

  7. #7
    Join Date
    Jan 2013
    Posts
    1,179
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    rubbing alcohol is what is recommended by everybody.

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