Take a picture of that mechanism with apron off. Are you talking about the outhole kicker or feeder?
I just spent a lot of time stripping and rebuilding so have some recent experience with it. Assuming the switch(es) is ok/adjusted correctly/no cold solder joint at connector or diode bad: I'm thinking that maybe the coil sleeve is gunked up, mech is gunked up or a broken, egged out, or other issue with the mech.
The springs are more to return the coil plungers.
BK2K Outhole kicker (resized).jpgBK2K kicker (resized).jpg