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To eliminate the front bolt as a problem:

• Remove sight rail
• Remove barrel pinch screw. (Screw at base of barrel)
• Remove barrel and fore grip.
• Remove connecting rod that connect the front bolt to the hammer. Sometimes this is easier said than done, the easy way is to get the front of the rod lifted up enough to push front bolt out and then push down on the front of the rod, lifting it free. Then hook up air and see if the marker works. If so, then the problem obviously lies in the front bolt. There is a hole in the bolt that the rod connects into. This hole is not suppose to be punched all the way thru, if it is, replace the front bolt.  Generally the only way to see if the O-ring on the front bolt is bad is to replace it, (takes a CO2 tank O-ring), as you can't tell by just looking at it.

Replace the front bolt, to do this you'll need to push the ball detent down with a screwdriver or the something, and reassemble the marker.  If it still burps:
 

Replace Rear Bolt O-ring

• Remove sight rail.
• Remove connecting rod.
• Remove rear plug, be careful of spring tension. The allen wrench that comes with your marker can be slid thru the hole in the plug to unscrew it.  Pull cocking handle back as far as it will go and pull it out.  The connecting rod has to be removed before the cocking handle will come out.  Tap rear of marker on the palm of your hand, hammer should come out.
• Replace O-ring. This is not a CO2 tank O-ring. See your local dealer or call Tippmann.
• Reassemble marker. The sear will have to be held down with a tool to slide the hammer back in. The cocking handle has a hole in the middle of it. The main spring slides thru this hole so you have to line it up. If marker still burps or does not cock when cocking handle is pulled back:

Replacing sear/sear spring.
If the marker still burps then the sear needs to be examined to see if it is worn and not catching the hammer. If the sear will not catch the hammer when the cocking handle is pulled back, the sear spring needs to be replaced.

• Remove 4 screws that hold on trigger assembly.  If your just wanting to check sear, look at it now and see if it's excessively worn and needs to be replaced. (See your local dealer)
• Remove 2 screws that hold trigger assembly together.
• Twist CA adapter and pull it loose.
• Pry the 2 halves of the trigger assembly apart. Sometimes this requires a screwdriver.
• Replace sear spring. (See your local dealer)
• Reassemble trigger assembly.

Leak down the barrel

• Remove 4 screws that hold on trigger assembly.
• With 1/2" open end wrench, unscrew hose that connect to valve in front of the trigger.
• With 7/16" socket, remove double male ended fitting that is screwed into valve.
• We wrap teflon tape on the threads and reassemble and generally this will stop the leak.

Tippmann does not like you to use teflon tape and will tell you so should you send you marker into them, but we have found that it works. If this does not repair your leak, then the valve is bad and is not rebuildable, so about your only recourse is to send it into Tippmann.

If your particular problem was not answered, please feel free to call us at  (405) 936-0606 or connect to Tippmann's web site for more info.

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