Odd Vector problem
I don't plan on using my Vector at Fall Castle but I'd like to have it ready for service. At Spring Castle, the Vector was running great for a few hundred rounds until it seized up. By that, I mean that by pulling the trigger nothing happened! I let it sit for a little while and switched to a pump (!) and then it worked again for a while until seizing again. I have no regulator on it. My best guess is that the rapid firing style play at Castle cooled the gun down enough to go liquid causing the action to freeze. Diagnosis anyone?
shroud screws first, might be too tight, if barrel front mount is too twisted, locks up bolt. Or it's just mad at you and requires a sacrifice...
Since you described it as "intermitent", I think you may be on the right track.
The only similar problem I've run into was caused by a mis-aligned sear...but that was a very consistent problem.
That's the thing, it took a few hundred rounds before it seized. Fifteen minutes later it was working again for about 50 shots or so until seizing again. This is just an excuse to order a stabilstock!
Al, you think that overtightened screws could do it even after 300 shots? I'll take a look at that.
no screws aren't likely it, although I have yet to see one freeze, mine got slow once though.
The only similar sounding problem that I have encountered with Vectors is something I always called "Vector Seizure", but I do not think that it is something that would naturally reset itself.
Anyway, Vector seizure occurs (I think) when the cup seal spring gets kinked during rapid fire. The other main symptom is that about 50% of the time, it would seize with the seal open, thus venting air like crazy down the barrel.
The quick fix that I figured out (not a permanent fix, but some Vectors do it and some don't) was to flip off or unscrew the gas source and then pull the AB pin at the back of the gun. Then, ever so gently, edge the AB out about a 1/2" and you will hear a "click". Push the AB back in (the thin AB rings do not come into jeopardy until the AB comes out farther than an inch) and reinstall the AB pin. Turn on the gas and you should be good to go.
Also, you are aware that the safety mechanism serves as a reset switch, right? Sometimes, when the gun is under oiled or not getting enough air, the bolt will stay forward and you will need to flip the safety to get the bolt back and ready to fire.
Drum, that sounds like it. I was hunkered down behind a castle wall performing that kind of frantic field surgery. I tried so many procedures that it's hard to tell what actually worked.
When it seized I never just set it down but tinkered with it first. One of these days I'll try to recreate it by cycling it a few hundred times.
If the safety flick worked, then most likely your Vector just pinched a ball. Perhaps you were out shooting your hopper ?
The only problem even close to that that I had was due to starvation. A bit of o-ring got lodged in the air passage in the AB and caused a weird sort of oscillation. The gun just wouldn't "cock" (not sure that term really fits when you're talking Vectors), the bolt just cycled back & forth slowly.
Given your circumstances, I doubt it's the same or a similar cause. Unless maybe there was some kind of debris that made it through the AB into the valve?
Do you need someone to shoot at you to recreate the situation? This might be the chance to get your wife interested in paintball.
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