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Forums › Marker Talk › Problem/Tech forum :: Archives › Leak problem with a b2k4 :: Archived

Leak problem with a b2k4
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Joined: Apr 12, 2005
Posts: 1

PostPosted: Tue May 03, 2005 2:09 pm    Post subject: Leak problem with a b2k4

I just got a brand new B2K4. I played with it for one weekend, and then started some nasty leak between the solenoid and the manifold.
I tighten the manifold screws, the leak went off, but when you shoot it again the leak goes back on.

I turnd de lpr all the way down, but as soon as it gets a little preassure, starts to leak again.

Any ideas of what can this be ? and how to fix it ?
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Joined: Apr 07, 2005
Posts: 723
Location: Connecticut http://carl815.tripod.com/

PostPosted: Tue May 03, 2005 3:24 pm    Post subject: Solinoid leak!

We do extensive work on Bushmaster-04 and BKO's. Make sure the leak is in the grip. De gass the gun and turn down the HPR and LPR all the way. Next Turn the HPR to 250psi. Next turn the LPR until you hear a leak in the grip. Then back off till it stops. About a half turn. That should set your markers pressures just about right at apprx. 270fps. +/-. If you still hear a leak seperate the manifold from the grip frame and make sure your valve set screw is secure and the valve is seated right. If all this is done and the leak still occurs remove the solinoid and seperate it from the manifold. Use Cocker Lube or Dow 55 and lightly grease the solinoid gaskets and manifold o-rings. Do not overtighten. When all this is done the leak hopefully stoppped and the HPR at 250, if you can not obtain a 270fps velocitiy place a small washer between the LPR Spring and the LPR Adjustement Cap. This will give your marker the ability to reach velocities above 300 fps. The reason for the washer is to move the LPR Piston into the valve slightly farther so the Ram Head makes better contact.
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