| Subject: Dodged a bullet for now; and an arbor lesson for BP newbies. |
Author: Western Sky [Edit]
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Date Posted: 21:23:57 11/08/09 Sun
After my Rainy Range Day post below, some said the Pietta Starr and Hartford 1860 looked real good, and said the Hartford shot good too. After I cleaned the 1860 frame and was drying it, I thought I felt something strange with the arbor. I had tried to wiggle the arbor when I first got the gun, but now I tried to turn it, like screwing/unscrewing it. Dang, Double Dang and #%^@ Dangit! The arbor could turn . . . it was loose. Not up and down or side to side sloppy, but a tiny bit of a turn loose. Tiny but THERE, and can only get worse.
First thought on why I can't fix it: The arbor locking pin needs to be drilled out with a drill press after the frame is secured at the proper angle; the arbor unscrewed and maybe some locktight or other agent applied to the threads and screwed back in lining up the holes just right; and then a new locking pin custom made out of pin stock or drill stock driven in....#%^@
However (smile) I also thought/hoped that since this arbor is in great shape and the tiny bit the arbor can be turned is the space between the locking pin's sides and the arbor hole's sides - maybe with an extra pair of hands holding the frame, The arbor locking pin can be pin-punched driven down to wedge up that arbor hole enough to last a good while longer.
OK, to wrap up the story, my gunsmith agreed that was a good possibility and we did just that. The arbor was made tight again. It made me nervous when my gunsmith put a big screwdriver in the arbor front slot and cranked it in both directions, but it held. He said go shoot it and just check the arbor after each time out. Also, don't overtighten the wedge like some do. Unlike a tapered arbor, this Pietta has a straight arbor and once the barrel lug is tight against the frame (and no slop between arbor sides and barrel arbor hole) the left side of the wedge pressing against the forward side of the arbor slot is trying to pull the arbor forward a bit, putting stress on the arbor's seating in the frame.
So, last night I was depressed but this afternoon I was happy again. Time will tell how long this fix will last on a shooter. So for newbies reading this, remember my experience on this fix but be advised, this was an arbor/frame in excellent condition where the arbor could just turn a tiny amount. Needless to say my gunsmith didn't charged me anything, since it took less than 2 minutes to fix, ha, ha, ha.
After Fuzzy's recent experience, this is a story to warm Smokin Gun's heart. Talk about a big-time relief-pill; "I feel good" as the song goes.
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