98 Custom having problems firing
Printed From: Tippmann Paintball
Category: Paintball Equipment
Forum Name: Gun Maintenace and Repair
Forum Description: Important info for keeping your marker in top shape
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=170526
Printed Date: 30 January 2026 at 4:41am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: 98 Custom having problems firing
Posted By: Concept
Subject: 98 Custom having problems firing
Date Posted: 02 October 2007 at 10:53am
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I bought a 98 Custom/12 ounce CO2 off of a friend pretty cheap. I know that he had barely used the gun. He might have played 5 or less actual games with the gun, because I played those few games with him. For about a year now since, it's been sitting in his closet because he lost interest. I filled the CO2, replaced the o-ring, and attached it, but the gun still won't fire. It's somehow not getting any pressure at all. When you attach the CO2, you hear the "ssssss" sound, then it gets quiet like normal. All that happens when I pull the trigger is it just "uncocks" (whatever the proper term for that is..) and I have to cock it back again. I know this is a question with a wide array of possible answers, but a Tippmann is a pretty sturdy gun and I can't see it having that big of a problem, since this gun is in pretty good overall shape and wasn't used much. Would anyone have a clue as to what the deal is here? Another bit of info.. it's got a flatline added to it if that helps answer anything at all.
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Replies:
Posted By: gfdeputy2
Date Posted: 02 October 2007 at 11:06am
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I am not the sharpest tool in the shed but I would rule out the tank, try another one. the 98 seems to me to be a simple design which I think is why it is dependable & reliable. So I would try a different tank first ------------- 98 custom 14" carbon fiber barrel response trigger expansion chamber revolution III w/ z board loader We went to hell & put the fire OUT |
Posted By: tallen702
Date Posted: 02 October 2007 at 11:22am
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Chances are, the marker was either never taken apart and cleaned, or if it was, it was put back together incorrectly. Take it apart, compare everything with the exploded view of the parts (available at tippmannparts.com) Make sure the ball-detent isn't in backwards. $10 says that's the issue. ------------- <Removed overly wide sig. Tsk, you know better.> |
Posted By: Concept
Date Posted: 02 October 2007 at 3:03pm
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Not at home at the moment but I will try the suggestions and post again after. |
Posted By: Concept
Date Posted: 02 October 2007 at 7:42pm
I opened it up, checked out the parts (tons of gunk built up in there from cheap paintballs), wiped the easy to reach places out, and everything seemed to be assembled fine according to the schematic.. Not sure what could possibly be the problem. I still haven't tried a different CO2 tank but I will when I get a chance, although the one I'm using appears to be fine. |
tallen702 wrote:Posted By: Zippo25
Date Posted: 02 October 2007 at 10:32pm
| sounds kindof like the valve isn't responding when hit by the hammer. so the hammer may not be hitting the pin hard enough (hard to have happen but check the spring for cuts/ damage.) or it could be that the o ring for the hammer is stopping it from entering the back of the powertube.. could be a bent valvepin. or something could be lodged in the valve itself. |
Posted By: Concept
Date Posted: 03 October 2007 at 6:12pm
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Problem solved! ... as far as I can tell. I took everything out, wiped it, used an air compressor to blow air through parts to clean out the built up goo in there, put it all back together and it fires perfectly. I should still try to fire actual paintballs to be sure it's working fine.. I sold my gun a while back and don't have paintballs laying around anymore. Thanks for the help |
Posted By: Bopper
Date Posted: 03 October 2007 at 7:14pm
Tallen will send you a cheque for $10. 
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Posted By: tallen702
Date Posted: 03 October 2007 at 11:32pm
Ehem... I think the cleaning is covered in the above statement?!? 
No $10 dolla fo you! No tendolla!!! ------------- <Removed overly wide sig. Tsk, you know better.> |
Posted By: karalem
Date Posted: 04 October 2007 at 10:12pm
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Hello i just took apart my 98C to clean it everything went fine till i was trying
to put it back together after i screwed everything in i want to make sure i didnt mess up so i went to cock it and it wouldnt cock it would get stuck right when i would try to pull it and it would make a weird sound this is the first time i took it apart please someone help me 
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Posted By: tallen702
Date Posted: 04 October 2007 at 10:39pm
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First off, start your own thread instead of piggy-backing on someone else's, it will get you more answers.
If your marker doesn't let you pull the charging handle back, chances are you've either pinched something in the clam-shell, or mis-aligned the linkage rod, bolt, and hammer. The only other thing I can think of is that the ball detent is in backward and may be catching on the bolt. The best thing you can do is go to www.tippmannparts.com and download the 98c schematic. The exploded view of the marker will show you how everything should go back together. Just take your time, follow the pictures, and you should be fine. ------------- <Removed overly wide sig. Tsk, you know better.> |
Posted By: Zippo25
Date Posted: 05 October 2007 at 3:52am
| ^ lol there should be a sticky that goes through the troubleshooting of a tippmann. common causes for misfires etc etc. so that we dont get 50 people asking the same thing |