I'm glad you were able to fix yours without much issue. I haven't taken any PCP apart before, other that replacing the trigger on my Discovery.
I just got done shooting a full string from 300 BAR until it fell off the regulator. 117 consistent shots until it fell off the regulator. Extreme spread was 37FPS and SD of 10.1. I had to turn down the hammer spring to +.5 turns from 0.
The first shot was 930 FPS, a tad too fast for accuracy. It settled down around 890 FPS which I called good enough. The rifle didn't like the Crosman Dome Ultra Magnums as much as it liked the JSB Hades, but I managed two decent groups below.
I shot the pellets straight out of the tin, no sorting, washing, or lubing. I had one minor feeding problem that I contribute to operator error (I inserted the first pellet in the magazine too far and it was sticking out of the mag).
They might be good for hunting if I focused on tuning for them, but I wanted to get a full string with my current regulator setting. I'm going to play with the rifle and different pellets at this 1300 PSI setting for a bit, only messing with the hammer spring.
If anyone is thinking about hand pumping this rifle, I think that is very possible. From 2500 PSI, at this regulator setting, you get around 30-40 shots with pellets this weight in .22cal.
I ultimately plan to use this rifle for pest elimination, and it should be well suited for that.