(Topic ID: 178984)

Bally flipper crank loosening

By mswhat

2 years ago

Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 2 years ago by mswhat
  • No one calls this topic a favorite


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#1 2 years ago

Bally Boomerang

Is there a trick to keeping the set screws tight on the flipper crank? My left crank will loosen after a few days. I'm tightening it to the point where I'm about to snap the damn thing off. Right side never loosens.

#2 2 years ago

The flipper crank is made of softer metal than the set screw. Tightening the set screw strips out the threads in the crank. Very common with early Bally. Replace the crank and set screw. If you haven't already rebuilt the flippers, you probably have worn bushings, weak springs and worn out EOS switches. Order the flipper kit from Pinball Resource, Marco or whoever.

#3 2 years ago

I haven't rebuilt them but it sounds like they are due. Thank you!

#4 2 years ago

If you're having problems probably worth it to order new bats/shafts too

#5 2 years ago

Indeed I will order new bats. When I got this machine I replaced both bats because the plastic was cracked. The left one has been almost a constant problem. The set screws are not stripped and will tighten but will be loose in a few days. I don't know how it's possible but I'm getting a rebuild kit to remedy the issue. Thought maybe there was a trick I didn't know about to keep them tight. Considered loctite blue on the set screws but then thought better of it.

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