(Topic ID: 260022)

Rivet on Duotron player unit

By Bakerman

4 months ago

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  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 4 months ago by Bakerman
  • No one calls this topic a favorite


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#1 4 months ago


One of the rivets on mt Duotron payer unit is badly warm and is causing problems. This particular rivet in ibvolved with third ball/last ball.

1. When the rivet is warn down the machine defaults to five balls per game even though it is set to three balls per game.

2. When the rivet is "repaired" with normal solder the machine works perfectly giving three balls per game.

3. As the "repair" wares away the machine is intermittent at three or five balls per game.

I repeat the "fix" and all is good again for a couple of months. Is there any way of carry out a proper lasting repair on this?


IMG_20200119_135409459 (resized).jpg
#2 4 months ago

Pinball Resource sells this rivet. de-solder the back side, drill out from the back sometimes works or use a Dremmel to grind peened over portion on the back side and carefully drive the rivet out with a fine punch from the rear. Also you can send the unit to PBR and they will press in a new one. Good Luck

#3 4 months ago
#4 4 months ago

Thank you both for your replies. As I am based in Europe I think that I will have a go with silver solder. Can I use my soldering station for this or will a need to use a small blow-torch?

#5 4 months ago

Silver solder has a higher melting point, but can be applied with a soldering iron (as was done in the thread I cited)

#6 4 months ago

Also, your rivets look a little dry... after the repair - use a small amount of teflon lube on all rivets to reduce wear and oxidation.

#7 4 months ago

Thanks again DaMoib

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