11-87 piston/seal? - The HuntingPA.com Outdoor Community
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post #1 of 12 (permalink) Old 01-11-2014, 11:50 PM Thread Starter
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11-87 piston/seal?

Does anyone have a picture of a functional piston seal installation? I replaced mine and can't get the darn thing to work now. Thanks in advance
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post #2 of 12 (permalink) Old 01-12-2014, 12:15 AM
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Re: 11-87 piston/seal?

no pic, but there's an indentation on the gas tube/magazine on mine. The piston seal goes is seated there. Buy a couple extra, they seem to dry rot or wear out every 2 years or so.

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post #3 of 12 (permalink) Old 01-12-2014, 01:07 AM
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Re: 11-87 piston/seal?

Check Brownell's website. They may have a photo / diagram of the correct set up.

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post #4 of 12 (permalink) Old 01-12-2014, 01:25 AM Thread Starter
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Re: 11-87 piston/seal?

Quote:
Originally Posted by ramcat
no pic, but there's an indentation on the gas tube/magazine on mine. The piston seal goes is seated there. Buy a couple extra, they seem to dry rot or wear out every 2 years or so.
I'm sorry I wasn't more specific. I'm talking about the piston and the piston seal assembly. Not the barrel seal. From what i've read, the video on Brownells is incorrect.
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post #5 of 12 (permalink) Old 01-12-2014, 02:49 AM
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Re: 11-87 piston/seal?

Go to Steves Page . Great site for a ton of information. has all the gun manuals.

http://www.stevespages.com/page7b.htm
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post #6 of 12 (permalink) Old 01-12-2014, 03:27 AM
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Re: 11-87 piston/seal?

The thicker of the two peices slides down first, with the rounded out portion faceing up, then the smaller peice slides down and the rounded edge of it shoud mate up with the first. There will be kind of a flat edge faceing up that actually seals against the rubber o-ring in the gas collar on the barrel after it is all insalled. Also, each peice has a "cut" in it, you want these cuts to be faceing away from each other for a proper seal.

Its kinda hard to explain but i hope this helps, there are also many diagrams on the internet. Trust me, you aint the first person this set up has confused!
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post #7 of 12 (permalink) Old 01-12-2014, 01:45 PM
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Re: 11-87 piston/seal?

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Originally Posted by Concerned hunter
Its kinda hard to explain but i hope this helps, there are also many diagrams on the internet. Trust me, you aint the first person this set up has confused!
If you want a photo I'll take one of my 1100 and post it.

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post #8 of 12 (permalink) Old 01-12-2014, 05:17 PM Thread Starter
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Re: 11-87 piston/seal?

Quote:
Originally Posted by Concerned hunter
The thicker of the two peices slides down first, with the rounded out portion faceing up, then the smaller peice slides down and the rounded edge of it shoud mate up with the first.
Thanks for your help. My older piston and seal are like what you're describing. The new version sold by remington/brownells consist of two rings that actually snap together.

I think i have that figured out, now I can't get the action to work! When i put the darn thing back together the slide wont budge.
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post #9 of 12 (permalink) Old 01-12-2014, 08:42 PM
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Re: 11-87 piston/seal?

Quote:
Originally Posted by Hunter8319
Quote:
Originally Posted by Concerned hunter
The thicker of the two peices slides down first, with the rounded out portion faceing up, then the smaller peice slides down and the rounded edge of it shoud mate up with the first.
Thanks for your help. My older piston and seal are like what you're describing. The new version sold by remington/brownells consist of two rings that actually snap together.

I think i have that figured out, now I can't get the action to work! When i put the darn thing back together the slide wont budge.
If the slide won't budge you might have the "T" looking part in upside down... it is the part that goes into the recoil spring in the stock.

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post #10 of 12 (permalink) Old 01-12-2014, 10:14 PM
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Re: 11-87 piston/seal?

Mfuff is correct, check the fork and make sure BOTH of the tips are inserted into the plunger on the end of your action spring in the back of the reciever, if one side is not in this would deffinately bind you up. Also check and make sure the bolt assembly is sitting correctly on the action bar.
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