Question about Tippmann 98 Custom Act Paintball Gun

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My gun wont stop shooting but the co2 tank is full what is wrong?

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First make sure your marker has been fully cleaned out (No paint in the marker).

Always follow the flow of air when a problem like this arises.

Make sure their is nothing blocking the ASA (Where your tank screws into the gun)

If you have a regulator make sure you are not running any lower than 800 PSI, if you have a gas through grip then disregard this step.

First check your hammer o-ring, if it is broken you need to replace it and oil it, if not just oil it. This is the most common reason you would have this problem.

If you did not solve your problem yet than check your sear which holds back the hammer. If it is rounded then the bolt will skip instead of re-cocking the gun. Make sure it is still sharp, if this is your problem you can buy a new sear or file the one you have.

good luck!

Posted on Jul 05, 2009

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I always replace all o rings when even one fails, I'm sure that's your problem, DO NOT FILE any part of your paint guns machined parts, that stuff needs to be precise and the human eye cannot compete with laser guided presses or cutters... I have watched buddys ruin high end Angels & Auto cockers by trying to file parts into working order.

Posted on Oct 30, 2014

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You need to go to a tippmann website and contact their repair department and ask for a replacement part 02-35. most of the time that or part number TA02011 the rear bolt. Look at the rear bolt on the back bottom is a area where the sear stop the bolt from going forward most of the time that wears down after a lot of use. Check both parts to see if they are in good condition. Replace what is bad most of the time is the rear bolt that is going bad.

Some people just re grind that edge down to a nice 90 degrees. But if this is done wrong you can damage the bolt.

Another tip is to put a few drops of tri flow in the ASA before you attach the tank this will lube the marker up and I do this at the field I manage on all of our rentals and makes the markers last longer. You can find tri Flow at any auto stores.

Posted on Aug 10, 2009

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Tippmann Custom 98 simply NOT WORKING

Instead of buying a rebuild kit, just ask tippmann, they'll be happy to send you one and help ya out. Also I'd recommend joining the forum, its a great helpful forum and im sure if you run a search there you'll be able to fix your problem.

Good luck!

Posted on Oct 10, 2009

  • 111 Answers

SOURCE: when i screw my tank on the CO2 goes right through

**** it and that should stop.

If that persists make sure you have cleaned the marker and used a good paintball oil to lubricate the internals.

At the next level you could have a o-ring that's old, brittle, broken and now is leaking by. Your local airsmith should be able to provide the necessary part(s) or fix it in short order for you.

Good luck!

Play hard, play safe, play with honor!


Posted on Jan 04, 2011

  • 15 Answers

SOURCE: i bought my tippmann 98 used the co2 tank is

Try turning up the velocity on the marker.

Posted on Feb 07, 2011

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2 Answers

My paintball wont stop shooting but it has nothing to do with the co2 tank help?

The sear is not catching the bolt and resetting it properly. Or, there is not enough air pressure to push the bolt back to its original position. I would take it to a gunsmith. Parts fly out of a Tippmann if you open it up.

Jun 16, 2014 | Tippmann 98 Custom Act Paintball Gun

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In Paintballing what is the difference between nitrogen (N2) and CO2 tanks?

CO2 tanks are composed of liquid carbon dioxide and are used for many scenario and recreation players. When the trigger is pulled, the liquid CO2 is converted to a gas, and this expansion of gas propels the paintball forward at 800-850 psi. CO2 tanks do not work as well in colder weather or for fully automatic paintball guns

Jan 17, 2013 | Sport & Outdoor - Others

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New Project Salvo. Second day tried to use it fires like it is on full auto for a second or two. Wont shoot as semi auto . It drains the CO2 quickly and sometimes the trigger gets stuck on full auto. ...

It's vary common for places to not fill Co2 tanks correctly and it sounds like this is your problem. Try having your tank filled in a different store, If this doesn't work you should exchange the gun at the store you bought it or call Tippmann, they have a excellent 2 year warranty.

Sep 09, 2011 | Tippmann US Army Project Salvo Sniper...

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I have response trigger on my a5 and only shots one shot at a time when pointing straight. When i raise the gun to the air and shot it response trigger works. What could be the problem?

If you are using CO2 it may be affecting the system. With a gun down straight, you could draw liquid CO2 into the internals. A siphon tube can be installed in a CO2 tank to stop or manage this. If you have access to someone's air tank, try using HPA (high pressure air aka nitrogen). If it fires fine with air you have deducted that the CO2 is to blame. Simple. Switch to air. It's better for the gun anyway! Now if the air didnt change anything I would think a component of the response trigger system is to blame. I am not familiar with the response trigger( I use E-grips) but I would think that a part that may slide or move forward or bak when you lift the gun up would be to blame. Most local shops should be able to diagnose the problem. I did find an installation video by Tippmann on youtube.
Here is a link.
A5 response kit installation

Mar 31, 2011 | Tippmann A 5 Standard Paintball Gun

1 Answer

I was playing today and my 98 custom just started leaking CO2 from all the cracks it froze up and ice started coming out of the barrel. what happened and how can i fix it??

your tank loosened up, the co2 freezes the rubber seals they will have to be replaced, you can order a repair kit from the website, change out all the rubber seals on the gun and your co2 tank

Feb 17, 2011 | Tippmann 98 Custom Act Paintball Gun

2 Answers

In cold weather it wont fire, it acts like its running out of co2 it goes full auto.

make sure you replace all of the internal o-rings for commpression. one may be worn slightly and contracts when cold allowing gas to escape

Jan 09, 2010 | Tippmann 98 Custom Act Paintball Gun

1 Answer

Gun wont fire

First do a check:
The battery is good and charged
The co2 tank is not empty
make sure the gun is not jammed
try moving the guide on the top front of the gun forward

Hope this works but not for sure with out further explaination of what is wrong with more detail.

Nov 23, 2009 | RTO PasLode 900420 Impulse Framing Nailer

1 Answer

Shoot no shoot

make sure that the filter in the back is clean you can pop the back cover off and clean it with water if it is dirty then the excess co2 gas that the gun gives off will not be able to excape the chamber and sensors inside the gun will not let if fire. This should work for you

Sep 01, 2009 | RTO PasLode 900420 Impulse Framing Nailer

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