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Well it's been too long...
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Smitty
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PostPosted: Tue Aug 12, 2008 7:24 am    Post subject: Well it's been too long...  Reply with quote

I'm working on selling a 98c I've got laying around.  I aired it up today, and it holds air fine.  It fires the first shot, recocks, fires the second, but doesn't recock.  I can't for the life of me remember what the problem would be.  It's been way too long since I've messed with this stuff.  Anyway, my M4 98c is running awesome (Super R/T, Cyclone, M4 accessories).  I just can't get the R/T tuned just right.  That and I'm not that good at sweet spotting it.  It was hard to tell though because at the end I was low on CO2.  

Anyway I just want to know why my gun would shoot 1-2 shots and uncock, and any advice on tuning or sweetspotting the R/T would be awesome.
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PostPosted: Tue Aug 12, 2008 10:09 am    Post subject: Reply with quote

open everything up. Make sure all the o-rings and stuff are in place. Oil that sucker up.

For the R/T, stick oil in that and in the side hose hole. Having that oiled up made a huge difference for me and made it much easier to sweetspot. It brought my R/T back to life when mine stopped working.
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Smitty
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PostPosted: Wed Aug 13, 2008 3:37 am    Post subject: Reply with quote

Just looking at it quick, it looks like it's missing a rear buffer o-ring.  I doubt this would do that, but I know I need one.  And I just noticed that the two screws on the side that hold the valve in place are missing.  Could that be it?
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PostPosted: Wed Aug 13, 2008 9:45 am    Post subject: Reply with quote

The valve moving around is a big problem. Definitely get the screws to replace the missing ones.
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Smitty
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PostPosted: Wed Aug 13, 2008 7:23 pm    Post subject: Reply with quote

Anyone have any laying around?  They'd cost nothing to ship, and I could paypal the $ to do it.  Lmk.  I also need a buffer O-Ring.
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g36 monkey
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PostPosted: Thu Aug 14, 2008 8:19 am    Post subject: Reply with quote

if i had a 98c id help you out
but
i dont  aaargh
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abr5
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PostPosted: Thu Aug 14, 2008 8:21 am    Post subject: Reply with quote

I'll look. I have access to enough repairs parts to fix 50 90c's. Can you take a pic of what you need?
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Smitty
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PostPosted: Thu Aug 14, 2008 7:52 pm    Post subject: Reply with quote

abr5 wrote:
I'll look. I have access to enough repairs parts to fix 50 90c's. Can you take a pic of what you need?
Well I'm not sure if this is all, but here:

Buffer O-Ring
http://www.tippmannparts.com/images/product/420.jpg

Valve Screw (Small one that goes on the side of the gun to hold the valve)
http://www.tippmannparts.com/images/product/1010.jpg

Actually if you've got an O-Ring kit for a 98c, or a kit with any parts that'd be great.  I'm selling it so I'd like it to work as good as it can.  Just let me know what you've got.  Thumbs up
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PostPosted: Thu Aug 14, 2008 8:12 pm    Post subject: Reply with quote

Well I can't take a whole kit, just a few parts. Do you know what size oring the buffer oring is? I don't feel like digging through repair kits. If you know the size I can just pull one out of my monstrous oring kit that has just about every size you could ever need.


edit: I just saw another picture and it was a square "o"ring. Are you looking for a square one or an actual oring
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Smitty
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PostPosted: Thu Aug 14, 2008 8:25 pm    Post subject: Reply with quote

abr5 wrote:
Well I can't take a whole kit, just a few parts. Do you know what size oring the buffer oring is? I don't feel like digging through repair kits. If you know the size I can just pull one out of my monstrous oring kit that has just about every size you could ever need.


edit: I just saw another picture and it was a square "o"ring. Are you looking for a square one or an actual oring
It's not square.  I'm not sure on the size.  It's grey if that helps at all.  It's a bigger one.
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Smitty
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PostPosted: Thu Aug 14, 2008 8:27 pm    Post subject: Reply with quote

Here's a link to one at TippmannParts.com:

http://www.tippmannparts.com/inde...p;productID=420&categoryID=12

If you could find the actual 98c O-Ring that'd be best.  Just let me know.
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PostPosted: Fri Aug 15, 2008 5:51 am    Post subject: Reply with quote

I couldn't find any of the screws but I did get the oring. I just left it at the field. I'll get it on Saturday.
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PostPosted: Fri Aug 15, 2008 6:44 am    Post subject: Reply with quote

abr5 wrote:
I couldn't find any of the screws but I did get the oring. I just left it at the field. I'll get it on Saturday.
You can't find the screws anywhere?  Maybe I'll just email Tippmann and they'll send me 2.  Hopefully those screws and that O-Ring will fix it.
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PostPosted: Fri Aug 15, 2008 7:15 am    Post subject: Reply with quote

I looked in 5 kits and there weren't any.

I'd just go to a hardware store and find some. Go on the tippman forum or something and ask what size they are
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PostPosted: Fri Aug 15, 2008 9:19 am    Post subject: Reply with quote

The valve bolts are the problem. Once it fires a couple if times, it moves too much from getting pounded by the hammer therefore not letting off enough pressure to return the bolt.


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