John Ross wrote: > *I am having a problem figuring out, how a swing test could even be > done on a jack.* > *I have only done swing tests on hammer flanges.* > *I use a gram guage for the other flanges.* Like I say... lets not get hung up in side tracks here.... you all pretty much know just how tight a hammer flange center <<feels>> using the old tried and true finger test. The jack center should compare very favourably.... yes ? I am not sure at all you need the equivalant of a swing test, or a friction gauge, or any other such exacting test to get jack centers to conform to an acceptable tolerance here. Cheers RicB
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