Need tech help
I am working on two Vikings, one for a friend and one mine, and ran into two snags.
1. 04 Viking. There is a small leak down the barrel. I have pulled all the plugs and the orings on those are fine. I thought this leak was from the valve, but the grub screw holding that in is not inclined to come out. Before I wrestle with a recalcitrant grub screw, I wanted to verify that a leak down the barrel is mostly likely coming from the valve. For what it is worth, it is constant, and firing the marker after running through the marker made only a very marginal difference.
2. This one is much more difficult. I have a one-off Viking with a UL frame. It was working fine when it arrived, but a couple of months ago it went on the fritz. It cycles like a scalded dog runs, the internal pressure is set to the normal range, all orings I checked are in good shape or replaced. There is just no air making it through the bolt. Could this be another valve issue, or is there something else I need to be looking at on this marker?
Thanks in advance.
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WTB Action Markers Diadem 68/45 FS