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  • Dial Test Indicator oil?

    What is so special about Starrett's instrument oil? Can I use way or 3 In 1 oil on my Last Word Dial Test Indicator?
    Rick Sparber

    [email protected]
    web site: rick.sparber.org

  • #2
    No I would not.........

    Way oil is too thick and sticky.

    3 in 1 is not sticky now, but will be later, wrong viscosity anyway.

    Instrument oil is thin, and perfect for, well, instruments.

    At 4 bucks or so for a bottle, and given that it takes very little, why substitute something unsuitable?

    And, specifically, the Last Word should need hardly any oil. I don't recall if the spiral SHOULD have oil. Mine was troublesome until cleaned off. But whatever oil is used ought to be very light, and put on as you would on a watch.
    Last edited by J Tiers; 07-02-2007, 12:18 AM.
    CNC machines only go through the motions.

    Ideas expressed may be mine, or from anyone else in the universe.
    Not responsible for clerical errors. Or those made by lay people either.
    Number formats and units may be chosen at random depending on what day it is.
    I reserve the right to use a number system with any integer base without prior notice.
    Generalizations are understood to be "often" true, but not true in every case.

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    • #3
      Originally posted by rgsparber
      What is so special about Starrett's instrument oil?
      Nothing really. Prior to 1978, it may have been whale oil but it's a light mineral oil now. The name "Starrett" makes it special; However, Starrett doesn't make it. It's made by William Nye, Inc.

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      • #4
        Thanks for the insights. I plan to do a "life time buy" of instrument oil. Probably many life times...

        I never thought that 4 oz was such a large quantity.
        Rick Sparber

        [email protected]
        web site: rick.sparber.org

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        • #5
          4 oz. isn't a lot if it is fine bourbon.


          I fear in the near future we will be arguing about a new post on oiling instruments with whatever is handy.

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          • #6
            If it's a jeweled bearing, you don't want any oil at all. At that rate, 4 oz. can last a really long time!
            ----------
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            • #7
              The Last Word has a jewel running on a hardened & polished helical track, that's what spins the dial.

              The pivots elsewhere can deal with some oil, and probably a cleaning first. I.m thinking SGW is correct that the jewel pin and helix need no oil at all.

              If the problem is that the LW is sticky and does not return well to zero, probably it has nothing to do with oil. Look in the Starrett catalog for the re-setting procedure. Likely you need to perform that and all will be well.
              CNC machines only go through the motions.

              Ideas expressed may be mine, or from anyone else in the universe.
              Not responsible for clerical errors. Or those made by lay people either.
              Number formats and units may be chosen at random depending on what day it is.
              I reserve the right to use a number system with any integer base without prior notice.
              Generalizations are understood to be "often" true, but not true in every case.

              Comment

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