Is the blackish ring dry or gungy ? Dry might point to graphite, and gungy would point to some combination of some lubricant, (perhaps of innapropriate type ?) wearoff (oxidation of sorts ?) from the pin. Gungy sticky stuff is hard to fix without just plain bitting the bullet. Tvak@AOL.COM wrote: > > > How can I identify verdigris? The bushing is red, not discolored. The pin, > when removed, does have a blackish ring where it was in contact with the > bushing. The new pin doesn't move any freer than the old pin. CLP made > little or no difference. > > Tom Sivak
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