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It is currently Fri Apr 19, 2024 3:18 am
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[ 6 posts ] |
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Ops
Site Supporter
Location: Piece/Clallam Joined: Wed Oct 17, 2012 Posts: 10688
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So I have a charging handle with loose roll pins. they can be easily pushed out with a punch.
What would you recommend to fix them? would Loctite work? need to find bigger pins? can I enlarge the pins to be a tighter fit?
_________________Yaki's - last journeyPromote a Growth Mindset. Don't let a fixed mindset not allow change for the better.
pow·er trip - noun - a self-aggrandizing quest for ever-increasing control over others.
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Tue Nov 21, 2017 2:47 pm |
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Selador
Site Supporter
Location: Index Joined: Thu Aug 23, 2012 Posts: 12963
Real Name: Jeff
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Lay the pin on the benchtop, seam side up.
Place a sharp chisel into the seam.
Give it a tap.
Not too much. Better to do too little and have to tap it again, than to make it too big in one fell swoop.
That should make the pin last a while longer.
If it gets loose again soon, buy replacement pins.
_________________ -Jeff
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Tue Nov 21, 2017 2:52 pm |
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dreadi
Site Supporter / FFL Dealer
Location: Tacoma, Washington Joined: Fri Nov 21, 2014 Posts: 8358
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New roll pin-cheap might be large enough to stay in place.
Drop of loc-tite, you probably already have that at home. Would it impede any pivoting movement?
Enlarge the pin-do you have a steel punch with a slightly larger outer diameter?
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Tue Nov 21, 2017 2:56 pm |
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Bxc53
Site Supporter
Location: Lynden Joined: Sun Jan 12, 2014 Posts: 725
Real Name: Brian
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I've used Selador's method with good results. Be careful with the chisel though, one slip and the pin can vanish into hyperspace..
If it's only a little loose, not falling out loose, you can try a very small drop of Loctite 290. 290 will actually wick into the pin/housing joint and keep it from losening up in most cases. It can still be removed with the punch.
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Tue Nov 21, 2017 2:59 pm |
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Ops
Site Supporter
Location: Piece/Clallam Joined: Wed Oct 17, 2012 Posts: 10688
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I tried the enlarge it try, seemed tight to install and normal pressure didn't push it through. so it might work for a spare
_________________Yaki's - last journeyPromote a Growth Mindset. Don't let a fixed mindset not allow change for the better.
pow·er trip - noun - a self-aggrandizing quest for ever-increasing control over others.
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Tue Nov 21, 2017 3:27 pm |
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sreyemj
Joined: Tue Nov 27, 2012 Posts: 1367
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IIRC, you can get a plastic tub of various roll pins at Harbor Freight. I would either enlarge the hole and replace with a larger pin, or expand the pin as described above.
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Tue Nov 21, 2017 5:40 pm |
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