No need to remove the tank to clean the barrel ... in fact, it appears to be contra-indicated in the AOA video.
I have had some problems with my gun ... (I got it a bit before yours Mike). The main issue was intermittent jamming of the cylinder and occasional wild shots on target. I talked to Robert B. of AOA and he shared the barrel removal process with me.
I cleaned the barrel, but noticed more breech blast from the side of the gun near the cylinder, and still had occasional jamming and wild shots. I then noticed some pellets that had not fired yet (I rotated the cylinder manually to see them) were severely damaged at the skirt. Playing with the breech to cylinder gap did not correct the occasional jamming and pellet damage.
I eventually deduced that some pellets, esp the lighter ones, caused the jamming and erratic shots much more than heavier ones. I initially wanted the gun possibly to shoot under 20fpe, and I was advised it was readily adjustable, and might be able to shoot that low with light pellets. It was set for much higher power (890/25.3gr) as received, and I adjusted the "power wheel" under the magazine area , but could not get it close to 20fpe because the cylinder rotated sluggishly .... so I set it back until I was getting about the same 900fps velocity with 15.9gr, but accuracy degraded so I went to 18.1gr and it was better. But the skirt damage and jamming re-occured to give wide shots. I tried RD Monsters and the accuracy improved a lot and the skirt damage and jamming seems gone.
In short, I suspect pellets adjacent the breech are being blown back in the cylinder enough to protrude enough to scrub and fold the skirt inward, impeding cylinder indexing and creating huge fliers when these bad pellets are fired. The bigger, heavier pellets don't suffer this issue as much I guess.
For now, my thought is the gun performs as intended with heavy, full diameter ammo, and is accurate and fun to shoot, but at least in my case, problems occur with lighter ammo.
I have had some problems with my gun ... (I got it a bit before yours Mike). The main issue was intermittent jamming of the cylinder and occasional wild shots on target. I talked to Robert B. of AOA and he shared the barrel removal process with me.
I cleaned the barrel, but noticed more breech blast from the side of the gun near the cylinder, and still had occasional jamming and wild shots. I then noticed some pellets that had not fired yet (I rotated the cylinder manually to see them) were severely damaged at the skirt. Playing with the breech to cylinder gap did not correct the occasional jamming and pellet damage.
I eventually deduced that some pellets, esp the lighter ones, caused the jamming and erratic shots much more than heavier ones. I initially wanted the gun possibly to shoot under 20fpe, and I was advised it was readily adjustable, and might be able to shoot that low with light pellets. It was set for much higher power (890/25.3gr) as received, and I adjusted the "power wheel" under the magazine area , but could not get it close to 20fpe because the cylinder rotated sluggishly .... so I set it back until I was getting about the same 900fps velocity with 15.9gr, but accuracy degraded so I went to 18.1gr and it was better. But the skirt damage and jamming re-occured to give wide shots. I tried RD Monsters and the accuracy improved a lot and the skirt damage and jamming seems gone.
In short, I suspect pellets adjacent the breech are being blown back in the cylinder enough to protrude enough to scrub and fold the skirt inward, impeding cylinder indexing and creating huge fliers when these bad pellets are fired. The bigger, heavier pellets don't suffer this issue as much I guess.
For now, my thought is the gun performs as intended with heavy, full diameter ammo, and is accurate and fun to shoot, but at least in my case, problems occur with lighter ammo.
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