Broken Teenage Mutant Ninja Turtles Pin- Looking for help or possible repair tech.

GrndMstr

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Broken Teenage Mutant Ninja Turtles Pin- Looking for help or possible repair tech.

Hello all,

I have a sick Teenage Mutant Ninja Turtles Pin. Everything non mechanical works. Everything else not so much. The flippers move slowly but that is it. I have checked the fuses with my DMM and they all seem OK. This is my first pin so my diagnostic skills are terrible. If I could figure out what is wrong I am sure I could fix it. I have pretty much given up. I have tried to hire a local pinball repair tech to come out and fix it. He keeps blowing me off though. I guess he doesn't want my money. So now I am asking my fellow pin owners for help. If you could help me diagnose the problems that would be good. If you are a pinball tech and live near Green Bay then maybe we could work something out for your time. The downside to that is I will be watching and trying to learn all I can as you work. I don't get under foot though and I do supply beer. That is the upside.

Thanks in advance.
 
i would frist clean all your switchs.cabinate and eos.if that dosnt help rebuild them its fairly cheap and willnt hurt.good luck.
 
Don't assume it's an electrical issue every time. There's a lot of mechanical movement there.

Possible flipper issues:

Plunger binding in coil sleeve. - Replace Coil sleeve

Return spring binding on nearby wires or coil sleeve, depending on which type - remove obstruction or adjust spring so that it's not going into the coil sleeve.

Flipper mech switch/EOS not gapped correctly - Check manual for proper adjustment, adjust the gap at the end of the switch close to the switch body.

Nylon bushing that goes through the flipper bracket and playfield, causing flipper to drag on playfield or bind up flipper action - replace bushing.

Coils have locked on previously and expanded, can't get coil sleeve out, causes plunger binding - replace coil and sleeve


Rebuilding flippers will do a lot of this anyways, but if you're not comfortable soldering, I personally find it a pain in the rear to rebuild flippers without unsoldering the coil and taking the whole bracket off the playfield. Also have to pay close attention to how it's hooked up....wire it backwards and you can blow the diode on the coil, a fuse, or worse.
 
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