Sticky trigger

[machone]

I have the Caswell hobby gun. I clean it every time I use it, but some times the trigger sticks on me. I disassembled the trigger assembly and found a little powder in the valve. I thought about putting a little oil in the trigger, but I figured if there's powder in there then it could get through & contaminate my powder. Is the powder supposed to be getting through? I tried increasing the air pressure and that seems to help a little, but now I'm wasting alot of powder and sometimes it still sticks. Any thoughts?
mach

[mtumbleson]

I clean and lightly oil mine...

[cruizer]

Now see, I used oil on mine once, and now the powder sticks to it even more, and I can't ever get through an entire part without having the trigger stick. I've taken it apart I don't know how many times trying to clean all the oil residue off.

[mtnbiker]

I dont take anything apart... not once since I got it.

I just spray a little WD40, or whatever I have on hand on the little shaft you can see without taking anything apart... and all has been good.

[machone]

I wonder if maybe the seal is bad? Caswell?
mach