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Tips/Techniques Starrett 230 roller lock adjustment

Tips/Techniques

pdentrem

Well-Known Member
My micrometer was getting stiff and it came down to the roller lock.

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So, I removed the lock using a small jeweler’s screw driver.

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It is made of 3 pieces.

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The tiny pin and the split ring is the lock. The ring was closed with no gap. I opened the gap a bit.

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The little pin was measured for future need.

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Put the lock back together and installed everything back in the frame. Note that there is a tab that the lock ring has to align with. Marked in red circles.



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Carefully align the center to the frame to allow the spindle to pass through.

If one feels the thimble a bit loose, one can tighten the collet by turning the collar with hole a bit. The mic can be set to read zero by turning the whole sleeve by the other hole.

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