Well, I tore it completely apart and reassembled it. Getting better at this, and much more comfortable with my understanding of it.
Also cleaned it as well as could be accomplished by hand with a toothbrush, toothpicks, and Q-Tips. Oiled it lightly while reassembling. It wasn't too bad. Got a small amount of **old** grease out of it - probably 50 or 60 years old judging by the history the owner gave me. Small amounts of dust-type dirt, too. No real firing residue.
Put it all back together confident that it would work after all that lovin'. Nope. I'm convinced it's down to 2 possibilities. 1) The trigger plate or 2) the trigger bar.
The trigger plate is mismatched serially to begin with, so no telling what wear or abuse it was exposed to on the weapon it was original to. It was replaced at some point as a repair to solve a problem, wasn't it? I'm leaning hard toward this as still the problem all these years later.
The trigger bar... I can't tell if it's doing it's job. Is the firing pin being retained in battery when cocked? Tried looking down the barrel with a light and can see the pin. Just can't tell if it's in battery or not because I'm looking head-on at it. Can anybody help me eliminate the trigger bar? How can you tell if the firing pin is being held to the rear by the trigger bar without the help of radiography?
BTW guys, learned my digital camera is too old to be of any value here. Won't do close-ups on small small stuff.
Continued appreciation for any advice.
Frank
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