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How do these work? (20-0-20 indicator)
#1
Someone educate me please. I've never used one of these short range indicators before, and need to know how they work.   Blush
I have an old clunker here like the one below (Standard NO.228) that is filthy and frozen solid, and decided to have a go at restoring it. Thanks to Bob's previous posts (krv3000) I've managed to get it all apart without destroying anything (so far).

How are they used exactly? Are you supposed to pre-load the needle half way through its full range, and then zero the dial? 17428
Also, I don't know how much pre-tension I need to put on the "clock spring" when going back together after I get everything cleaned up? What say you Bob?

Smiley-signs137


[Image: M2314_1.jpg]
Willie
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How do these work? (20-0-20 indicator) - by Highpower - 08-29-2015, 11:56 PM



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