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Hammer push off in Smith & Wesson revolver 

KeNost82
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I am a visual learner and I could not find a video on RU-vid explaining push off, so this is my try on explaining the issue. This is my first video so please bare with me if it's a totalt mess.
I am sorry for the bad English, it's not my first language and I also have a speach impediment.
DISCLAIMER: I am not a gunsmith and all information in this presentation is for information and entertainment purposes only. All work on firearms should be performed by a trained gunsmith or other qualified professional.

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1 апр 2020

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Комментарии : 22   
@user-sn4fc7bc5j
@user-sn4fc7bc5j 3 года назад
Can understand you perfectly. You did a fantastic job. In school for gunsmithing and this helped a lot. Thank you very much 🙏👍🙂
@revolverdon
@revolverdon 4 месяца назад
Your video was simple and informative. Thank you
@40granite
@40granite 2 года назад
English is my first language and I understood you perfectly, very good video! Your explanation of what causes push off was very informative and understandable, and the great visuals of how the trigger and hammer interact was very helpful in understanding how delicate and precise these parts work together. Thanks for the great video!
@meme9492
@meme9492 2 года назад
Hi, Great video. I especially like the close up camera work you used to demonstrate the action and using a pick to show where the damage and wear was. Few videos do that and you did it well. It shows clearly the issue. camera stability was perfect. I didn't get a headache from shaky, amateurish camera handling. One thing I would mention is that there should never really be any modification to hammer/trigger engagement when the parts are case hardened, as most S&W revolvers are. That case hardening is why you didn't see much wear on older heavy use guns. Along with just a smidgeon of oil, the wear will be minimal for the average life of the gun. Well, I guess unless you pull the trigger literally 100,000 times. The technical part of this is that by filing it, you end up removing the case hardening and exposing the un hardened metal, EVEN IF you get the angle perfect. The wearing surfaces will suffer significantly accelerated wear out because the hardened surface is gone. Just restoning it will fix it temporarily, but the protection and hardening is gone. Unless your insurance (whichever one might be applicable here) can handle the liability, if you ever see push off that's caused by a failed amateur trigger job (and I've seen quite a bit), I would probably just simply automatically replace the hammer/trigger pair. You have to remove them anyway, so there's no use in replacing a damaged set of parts that could cause an unexpected discharge of the firearm down the line somewhere.
@yvilinsky
@yvilinsky 2 года назад
Thank you so much! Unlike the clowns that take their time to post video about the problem, you actually took time to post a solution and in very good quality. Your english is great! To note, this job can also be done with whetstone, like the ones they use for sharpening knives. Also sandpaper taped or glued to any long even surface. The longer the stone, the less the angle, so nose will not be as sharp. 1) provides more material for slower wear 2) less angle means SA pull will not suffer as much. Your angle shown is a bit steep. Mine came out closer to 90 degrees and works extremely well for SA pull. Thank you very very much! You helped me understand the basics for the fix where no one could.
@KeNost82
@KeNost82 2 года назад
Thank you! My reason for making this video was exactly that, there was no real explanation for this problem and how to fix it. Like you said, you can use different stones for this job and the length of the stone will affect the angle that also will affect the SA trigger pull. The Power Custom stoning fixture is a great tool when performing a trigger job to lighten the SA trigger pull. What you see me do in this presentation and the stone I used is what I was thought by Smith & Wesson when I attended their armorer school and must be considered the “right way” to fix push off to keep it within factory specification. But as long as it works for you and you no longer have push off that’s the important part.
@yvilinsky
@yvilinsky 2 года назад
I was VERY surprised that forums talk about easy fix, but do not show it. Videos show problem only but do not identify a solution. Everywhere is written get new hammer and trigger parts and drop in. These parts are not drop in all the way, I had to stone mine on several surfaces to even get them to work normally. Additionally some non-critical engagement surfaces are rough and need cleaning up to have a smooth pull. I must have touched SA surface when I micro polished DA surface. This video was a saver. We need good videos on smithing hammers and triggers!
@jamesprouty7792
@jamesprouty7792 6 месяцев назад
Your English is great. I think sometimes we are much more critical on ourselves that others would be. 👍🏻
@garythoren6159
@garythoren6159 2 года назад
You should do more gun videos You explain things really good
@theaustinfamily555
@theaustinfamily555 Год назад
Good info
@garythoren6159
@garythoren6159 2 года назад
Thank you !! I bought a 629 SW 44mag used And has push I can fix it THANK YOU !!
@georgerios1194
@georgerios1194 2 года назад
My model 629 classic does not have push off but it does seem to over cock ? How do I fix that ???
@455SD
@455SD 3 года назад
I am not entirely sure you are correct. I had a stock hammer, with little or no work done to it. It worked flawlessly with 2 triggers. The original trigger was replaced with the second trigger ( a nonserated, thinner trigger). This trigger was not satisfactory, but worked correctly. I purchased a third used trigger, which now does the job I intended... but..... now I have pushoff. The pushoff began with the third trigger with no work having been done to hammer. So push off, it seems can occur with an altered/damaged trigger. Are you saying this can be fixed? (Since the issue seems to be with the trigger?) By the way, your English is fabulous.
@KeNost82
@KeNost82 3 года назад
If you only alter the angle on the sear nose on the trigger to much, you will get push off, even if the hammer have never been touched and is factory new. It also goes the other away around, you can mess with the sear notch and cause push off without touching the trigger. I see this from time to time on revolvers where people have done their own trigger job without having the proper tools. Without seeing the revolver and assuming that you have bought the correct trigger for the right model and dash number, stoning the sear nose like I show in the video should fix the push off problem. But be aware that this also will increase the SA trigger pull weight. The push off in this video was extreme where the owner ruined both the hammer and trigger, usually people have the common sense to only play with the trigger and leave the hammer alone.
@cartert8038
@cartert8038 2 года назад
Several omissions and errors in this video. You should never operate the action under spring tension....or check for push off, with the sideplate off. And, without marking the bevel during stoning (Dykem), and checking it periodically with a magnifier, it's nearly impossible to tell when the correction is complete, and the bevel is sharp. It's very important to only remove the amount of material necessary. This is not as critically important when resurfacing the MIM trigger bevel, but is very important when stoning a case hardened trigger, as the hardened surface is very thin. There is no mention of also checking the cocking notch in the hammer for damage prior to the repair.....and you don't recommend checking the trigger with a pull gauge to verify it is safe after the repair is completed. (3+ pounds) You also state that this condition (push off) can only be caused by wear, or improper modification of the parts. There are, in fact, other factors that can contribute to this condition, including weak, damaged or altered rebound spring, excessive gauge on the hammer and or trigger studs, and excessive sideplay on the hammer or trigger. These conditions should also be checked out before the repair. Caution: Another important thing I didn't hear mentioned is that this repair only works properly, restoring the proper angle to the trigger bevel, if you use the proper Norton 6" medium India stone.
@steveedington5231
@steveedington5231 4 месяца назад
good video but did you install a new hammer?
@paladinhill
@paladinhill 25 дней назад
Towards the end of the video he said that he had to order new parts because the owner had ground off too much material.
@STYR0F0amJ0nes
@STYR0F0amJ0nes 3 года назад
What kind of stone was that?
@KeNost82
@KeNost82 3 года назад
www.brownells.com/gunsmith-tools-supplies/metal-prep-coloring/stones/6-x-1-2-x-1-2-india-stone-prod9622.aspx
@diansp5
@diansp5 2 года назад
Mau saya beli bang ...bagaimana ..?
@JoseNunya
@JoseNunya 8 месяцев назад
Why did you think that you needed to wear those silly plastic gloves ??
@KeNost82
@KeNost82 8 месяцев назад
Because my hands used to look like shit because of eczema.
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