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Cut Open Oil Filter

in 912 / 914 Technical Questions 12 years ago
Hi guys

What is preferred method for cutting open oil filters for inspection?

Tks

Jen

  • Re: Cut Open Oil Filter

    by » 12 years ago

    Hi Jen,

    There are a number of oil filter cutters out there.

    http://www.aircraft-spruce.com/search/search.php

    I cut the can open. Then cut the paper filter element out around the top and bottom edges. I then put that in a small jar with about 1" of fuel. The put the top on and shake well. Then pour the fuel over a white paper towel or light blue paper shop rag into a container. Then you can look at the paper oil element, but it will usually be very clean. All the debris that was washed off is on top of the paper towel. Every little spec of carbon or metal or whatever was on or in the paper filter element is on that white background of the paper towel. It makes spotting the tiniest things easy. You can even test some of the particles to see if they are magnetic or maybe a piece of carbon that smashes. This way you'll never miss any thing or have it so oil covered you can't tell what it is.

    Then some people just cut the can open, cut the element out and then spread it out to look at it. Much easier to miss something and you can miss ground up metal dust that way. May way you can see that and then check with a magnet.Ground up metal looks more like dark dust.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: Cut Open Oil Filter

    by » 12 years ago

    Thanks for that Roger, it sounds like a good way check the filter.

    I will be doing it that way next time.

    Mark
      
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  • Re: Cut Open Oil Filter

    by » 12 years ago

    Wow! I appreciate that gas-washing tip. I'm gonna start doing that! :cheer:
      
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  • Re: Cut Open Oil Filter

    by » 12 years ago

    same here. any one know of a good lab where I could send the findings for analysis of what type of metal and it what concentration?
      
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  • Re: Cut Open Oil Filter

    by » 12 years ago

    Here is the one I know many use and I do too. They have a tremendous Rotax data base and have been doing Rotax engines for many years which gives them a huge data base to compare to. They run the samples 3 times and send you either a hard copy or email report. It's your choice. They show the value range and then your sample. They rate it either in the green, yellow or red for easier customer reading. If anything is in the red zone they will call you. I have used them for years.
    You can buy the test kits individually or by the case as I do.


    http://www.avlab.com/ProductDetails.asp?ProductCode=GA-001-SP

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

    Thank you said by: FEDERICO COMPEAN
      
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