Well, its no longer a tech question because I figured it out, but thought I would throw it out here for informational purposes. Handed to me by a teammate with the simple description "won't shoot" Yeh, this took awhile, obvious once repaired.
Marker: E-mag, stock ULE body, X-valve with E-mag on/off assembly, level ten
Failure: Marker fails to fire. On first pull of trigger marker sounds to fire, hissing noise of air out barrel, and bolt fails to reset. Bolt visible in breech. No air leak after initial hiss. Requires mechanically pushing back bolt after stick.
Considered causes: I originally thought the on-off might be causing the problem, and replaced the on-off assembly with a known good one with no change. I replace the level ten spring with no change. I replaced the bolt itself with no change. Switched out bodies to a classic steel body for testing purposes and marker fired properly. Removed valve without resetting bolt and found bolt stuck in ULE body.
Repair: Detent was damaged and screwed in too far. Front of bolt was making contact with detent and jamming. Upon removal of detent from marker marker fires properly without any issues. Ordered new detent, will watch spacing on installation.
Marker: E-mag, stock ULE body, X-valve with E-mag on/off assembly, level ten
Failure: Marker fails to fire. On first pull of trigger marker sounds to fire, hissing noise of air out barrel, and bolt fails to reset. Bolt visible in breech. No air leak after initial hiss. Requires mechanically pushing back bolt after stick.
Considered causes: I originally thought the on-off might be causing the problem, and replaced the on-off assembly with a known good one with no change. I replace the level ten spring with no change. I replaced the bolt itself with no change. Switched out bodies to a classic steel body for testing purposes and marker fired properly. Removed valve without resetting bolt and found bolt stuck in ULE body.
Repair: Detent was damaged and screwed in too far. Front of bolt was making contact with detent and jamming. Upon removal of detent from marker marker fires properly without any issues. Ordered new detent, will watch spacing on installation.
I don't want to hear that, those things were $$$
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