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Discussion Starter · #1 ·
I bought a new Su-16F yesterday and while trying to give it a good "new gun cleaning" I noticed that I can't remove the gas piston pin (#296). I haven't resorted to using a hammer and punch yet but I think that might be what it will take!

It seems that this isn't a common problem because I couldn't find any other forums with this issue. Does anyone have an idea on what to do next?
 

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I took mine down once. You have to make sure the holes are lined up, and also put a little pressure on the piston, so that the pin is not taking the brunt of the spring force. That said, I had to use a punch and tap it out.
 

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Discussion Starter · #4 ·
I'm just taking it down as far as recommended for the "500 round cleaning".

I was careful to ensure everything was lined up. I'll get a bit of hard wood or something softer than steel and a mallet and try tapping it out. I'll report back after I've tried this.
 

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Ok before you start banging on things. Just take a moment and think it through. Make sure you are in fact doing the right thing. Check to see if one side is peaned check and see if one side seems smaller then the other. Make sure you push down a little down on the end of the gas plug.

I just want you to be careful because I can not see any reason for it to be stuck. My pin just slides through really easy.

Could you maybe take a picture before you get started?
 

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Discussion Starter · #6 ·
Here are some pictures of the offending pin. One side has a dimple in it, the other doesn't. I've mainly tried pushing from where the dimple is but I've tried on both sides.

The little gap on the dimple side of the pin seems a little odd to me. It makes me wonder if the pin is slightly bend.
 

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Discussion Starter · #7 ·
Success! Before getting out a mallet I got the smallest punch I could and pushed it from the dimple side about as hard as I could. The pin went flying but I'd set up a makeshift backstop so I recovered it no problem.

I've posted a photo but it didnt really turn out. The pin is FILTHY! A dark brown/black substance is on it and one side is tarnished brown. Probably just sat on a shelf for a while is all.

Thanks for the suggestions and support everyone. Mission Accomplished.
 

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Where you pushing down on the piston while pushing on the pin?

Now that it is out maybe check the fit in the piston?

Sounds like it may need a cleaning.

Also check the fit of the pin in the end of the spring guide rod.
 

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Discussion Starter · #9 ·
I've already done all of that. The pin works great now, definitely a snug fit but not like it was before!

The problem was that the factory grease from Kel-Tec had started to harden and set (probably just from sitting in storage for to long).

Everything is cleaned up and functioning properly. All I have to do now is put live ammo through it at a range. But that will be for another thread.
 

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The factory doesn't "grease" or oil the firearms during production. They use some kind of anti rust preservative stuff that hardens up. That's why we tell people to clean and lube their new firearm before shooting it for the first time. It's a good habit to get in to...no matter what the brand.
 
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