1. Normal
2. Adjust the catapult switch arm
3. Either your machine is not steep enough. Or the back of the troll mechs tab could use a slight bend.
And for the last issue. Either it is not steep enough. Or something could be binding a bit.
Lift the playfield and manually push the kickout mech and see if it's rubbing on something. If not you can adjust the coil strength in the CGC menu.