I’ve been working on my first EM pinball Skylab and can’t get it to play correctly. Here’s where I’m at.
Turn the machine on
Press the left flipper and the light comes on
Lock relay engages
Sometimes pressing the start button does nothing and I have to manually latch the game over relay to get things moving.
Other times I get lucky and pressing the start button engages the coin relay, which in turn engages the reset relay, game relay, game over relay, and score motor. A credit will decrease and the score reels reset.
However, even when that happens, the outhole will not kick the ball to the shooter lane and the score motor will run endlessly until I manually pick up the ball and put it in the play field.
After the ball drains into the outhole, the score motor again runs endlessly and the “balls to play” does not count down and remains at 5 balls unless I manually engage the ball index relay and the outhole relay.
I’ve had a friend with 30+ years experience with jukeboxes and 7+ years experience with pins look at it and together we haven’t been able to figure it out.
All contacts have been burnished, relay leafs adjusted, all steppers and score reels were disassembled and cleaned, fuses checked. We installed a new chime box which sounds beautiful and works perfectly when the ball is in play (after I manually lift it out of the outhole and place it in the play field). I’ve tested the outhole by engaging the outhole relay manually and the solenoid works.
I am completely stumped. I’ve spent hours looking at this and can’t figure it out. I’m going to upload several pics starting with the score motor. I can’t help but think it has something to do with the contacts on that.
This is my first EM, it’s a true piece of art, I really want to get it running again.
Thank you in advance!