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  • Sight glass on gas pump

    I am changing the seals in a sight glass on a gas pump. Any suggestions on how i can clean the glass? It has yellow gunk all over it.

    Rob

  • #2
    Diamond Paste

    Super fine clover brand diamond paste or perhaps a soft cotton pad and Jewellers Rouge (the green stuff0 Buff with a high speed device like a die grinder or dremekl (would take a bit of time) should be oK.

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    • #3
      Soapy brillo pad or the 3M abrasive pads with soap or solvent.
      It's only ink and paper

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      • #4
        Soak it in battery acid for a few hours, rinse well.
        Free software for calculating bolt circles and similar: Click Here

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        • #5
          If you go to a laboratory supply and get a small quantity of pipette cleaner, or if there is not one near you a photographic supply should have tray cleaning solution (more dilute but same stuff). It contains chromic(sp?) acid and will eat any gunk off glass. Wear gloves and eye protection, it is pretty aggressive stuff.
          Jim (KB4IVH)

          Only fools abuse their tools.

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          • #6
            The gunk is probably polymerized hydrocarbons. Carb cleaner or paint remover will take it off.

            RWO

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            • #7
              Diluted sulfuric acid for soaking (as Evan said,battery acid),the bicarbonate of soda and water to rinse...then toss the jeans your wearing cause this junk finds a way to get on clothes.

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              • #8
                new gasket

                Made a die cutter


                Put the sheet in the press


                5 tons of pressure on the die.


                The die once removed fromt he press

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                • #9
                  New gasket (deux)

                  The excess once removed, with a little help from an exacto knife. Maybe 2 minutes


                  The old and the new gasket side by side


                  This took me a total of an hour to make the gaskets. The first set were too big. I had to remachine the die.

                  Rob

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                  • #10
                    I use a cutter something like this one. Works great.
                    Location: Saskatoon, Saskatchewan, Canada

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                    • #11
                      The yellow crud is varnish from the old fuel, soak it in paint/varnish remover. Nice looking gasket cutting die, I just use a compass and exacto knife, not pretty, but they work.

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