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07-27-2020, 06:24 PM
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Triple Lock hammer & trigger
The hammer of the Triple Lock has two transverse pins, and the trigger has one. The length is adjusted so that the ends ride on the frame and side plate, contributing to the smoothness of the double action trigger pull. Did this feature carry forward to any later models?
Thanks, Tom
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07-27-2020, 07:25 PM
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The transverse Pins/bushings were also found in early M&P’s. At least, I have an early M&P with such. Is that what you’re asking?
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07-27-2020, 08:52 PM
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Quote:
Originally Posted by MRH
The transverse Pins/bushings were also found in early M&P’s. At least, I have an early M&P with such. Is that what you’re asking?
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Yes, I'm interested to know which models received this detailed attention to the double action mechanism. Thank you.
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07-28-2020, 02:05 AM
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You will find the bushings in all model hand ejectors thru approximately 1915 as old parts were used up or redesigned and new parts w/o bushings replaced them.
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07-28-2020, 05:47 AM
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I am without a Triplelock to look at. Could someone post a photograph of what is being mentioned?
Not sure if I am looking for pins or bushings.
Thank you.
Kevin
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07-28-2020, 06:24 AM
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Quote:
Originally Posted by StrawHat
I am without a Triplelock to look at. Could someone post a photograph of what is being mentioned?
Not sure if I am looking for pins or bushings.
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Quote:
Originally Posted by tatume
The hammer of the Triple Lock has two transverse pins, and the trigger has one.
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They are pins.
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07-28-2020, 08:19 AM
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Hi Kevin,
S&W calls them chafing bushings and they have a hole in them; 2 in the hammer and one in the trigger:
Photo by M_conrad_0311
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07-28-2020, 10:25 AM
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Quote:
Originally Posted by Hondo44
S&W calls them chafing bushings and they have a hole in them; 2 in the hammer and one in the trigger:
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That's interesting too. The one I've seen had solid pins.
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07-28-2020, 10:33 AM
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Thank you for the photo.
So, these chafing bushings are cast is place or press fit after the hammer is machined? Doesn’t really matter, I guess they are installed long and dressed to fit the frame. Are they to center the hammer and trigger in the slot? Seem like thickness washers might be easier?
And if we go with chafing bushing, against what do they chafe? Frame? Sideplate? The mentors on this forum who get asked a million questions?!
Kevin
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07-28-2020, 10:34 AM
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Quote:
Originally Posted by tatume
That's interesting too. The one I've seen had solid pins.
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Maybe earliest versions, I haven't seen everything, that's for sure.
The hole maybe to align them on the tool used to press them in place. Likely good to retain lubrication as well. I always put a tiny drop in them after cleaning.
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07-28-2020, 01:44 PM
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They chafe on the frame and side plate.
Shims will center the parts, but will not prevent any wobble on the studs, if there is any.
Last edited by tatume; 07-28-2020 at 01:45 PM.
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07-28-2020, 05:51 PM
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Trople Lock Frame
It might be helpful if you can see where the hammer and trigger are placed in the frame. Here is a photo of a TL that I worked on last year, note the bushing at the hammer stud and also one for the trigger stud. Hope this helps.
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07-28-2020, 07:36 PM
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Quote:
Originally Posted by tatume
They chafe on the frame and side plate.
Shims will center the parts, but will not prevent any wobble on the studs, if there is any.
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Thank you.
Kevin
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