Quote:
Originally Posted by damage
Picture a jammed bb(2 BB'S stuck in the chamber is worse) in the chamber then pull the trigger on semi or full just clear it increases stress on the back of tappet plate(sector cam contact). Other part that is also prone to damage is the nozzle. Hard to explain the rest but for my years in experience fixing Aeg's with broken tappet plate, bb jamming is one reason why.
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Please clarify. The jam will cause the nozzle/tappet plate to not be able to return forward (forward=front of gun) all the way. This will not affect how the cam picks up the follower except that it will be in a slightly different spot on the follower. There is no binding that could occur.
Where do you find the tappet plates breaking? How can you tell it's from a jam (ie. they break while firing w/ a jam or other evidence?) I've only been fixing guns since this winter but I've yet to see a tappet plate break. Still trying to learn myself.
Also, I've seen a bit of silicon oil in the hopups/mags fix MANY firing issues. Sometimes a BB brand switch is needed. Sounds like it did the trick for ww2warrior as well.
Firing in full-auto with a jam WILL cause you're piston to strip, I'm not just talking out of my ass here. You'll hear a lower pitched, gut turning grinding noise (it's not a metal on metal grind which is usually higher pitched). Exact same thing happened to 2 of my team mates after they fired full auto with jams. I replaced both pistons myself. They both had to use a different brand of BB's.