I have 4 steppers under my playfield on my Derby Day and am having a really hard time keeping them adjusted right. I can tighten the allen screws that hold the disk onto the shaft as much as I dare and before too long they have slipped just a bit. I am thinking of resorting to using thread locker, but have a hunch that isn't going to do it. Any suggestions?
The steppers look like this one
http://www.pinrepair.com/em/gtbcoin1.jpg
I need to take pics of the actual steppers, but am pretty sure they don't have the adjustment - looks like I picked the wrong "model" to use. That said, I do agree with the thought of figuring out a way to let the rotating disk be at it's "happy place" on the shaft and adjusting around that. Maybe there is a way I can adjust the base plate to do that.
Certainly with flippers the locking screws will cut a circle into the shaft and if you try to adjust a little off then they move right back to the old groove. If you ever have to adjust flipper position swap flipper shafts left to right etc so you can cut a new "home". Dont know if this is the same issue here. But the slots in the Bakelite disk should give you the fine adjustment.
Ken
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Round Rock, TX
