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Odd AP problem

Posted: Wed Dec 14, 2011 1:04 am
by NDbullseye
I had a odd problem happen tonight. I shot 5 shots on a target, changed targets and when I shot the first shot it acted like it didn't have any air pressure. I took the tank off and checked it and the pressure said it was at 150 bar. So I bleed it a little bit and then it seemed to work just fine. The other cylinder worked just fine. It was on a Walther LP201. What caused this problem?? Did maybe the check value stick in the tank???

Posted: Wed Dec 14, 2011 10:11 pm
by Sc0
In messing with my LP201 when the wrong size O-ring was used inside of the air tank I had a similar condition. The OEM o-ring is pretty large compared to the replacements I purchased, replaced with some larger o-rings and it works..

When was the last time the air tanks were resealed?

Posted: Thu Dec 15, 2011 1:45 pm
by NDbullseye
I don't think they ever have from new. I bought this pistol from another bullseye shooter. He shot it for years and didn't have any issue. I called pilk today and they think it is the regulator. I also talked to two other pistol shooters in the state, one is a gunsmith, they think the same. I tried it with both cylinders last night and nothing. Just enough pressure to get the pellet to the target but not thru the cardboard backer.

Posted: Thu Dec 15, 2011 3:12 pm
by Rover
Send it to Pilk. See if you can get the guy who sold it to you to give you money.

Posted: Thu Dec 15, 2011 10:25 pm
by NDbullseye
Rover, I have shot over 6 tins thru it without an issue so, I don't think it is anything he did or I did. Stuff happens unfortunately. If it would've happened in the first tin. Then yeah I can see trying to get some money to fix it.

Posted: Fri Dec 16, 2011 3:08 pm
by David M
Low velocity can be either the regulator valve or the striker that opens the valve.
If this happened all of a sudden, you may have broken a spring or have something crudding up the works.
Strip and inspect, having a good look at the striker and striker spring first. Disassembly of the regulator is a little more difficult and may need a gunsmith.

Posted: Fri Dec 16, 2011 3:48 pm
by NDbullseye
I sent it off to pilk yesterday. It should be in there hands tomorrow.

Posted: Sun Dec 18, 2011 4:54 am
by yana
Souns like the reg. Had same issues with my Aeron Spider

Posted: Sun Dec 18, 2011 6:32 am
by Rover
Keep us updated on this.

Posted: Thu Jan 05, 2012 2:29 pm
by NDbullseye
I got it back today from pilkington. It was an oring inside the regulator that went bad.