Quote Originally Posted by rabbitslayer View Post
Hmm... that means having to empty the air tube each time I need to alter the firing valve spring.. Ah well. I'll start with the hammer spring and see how far I can back it off and what the outcome is before touching the valve gate spring again.
It's a pain having to empty and refill each time but if you put a piece of brush handle or similar in the reservoir at least you won't be using/wasting as much air each time you alter it. I used a piece of nylon bar in mine.