(Topic ID: 228188)

Flipper staying up/slow to close Williams NGG


By Schamattack

5 months ago



Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 5 months ago by cody_chunn
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    #1 5 months ago

    Hello everyone. I have a 1997 williams no good gofer. The Left bottom flipper seems to stick/stay up sometimes. I opened the machine up and everything looks ok, I moved the return spring of the flipper to the other side of the bracket it mounts to which made the spring tighter and seems to have resolved the issue. Do these springs tend to go bad? I cant tell if there is a bigger problem and have a tighter spring is only hiding the issue.

    #2 5 months ago

    Increasing return tension is a stop-gap measure for the symptom, not a cure for the failure. It probably needs the flipper mechanics replaced: Coil stop; sleeve; crank/link/plunger assembly.

    These items can be "serviced" to last a little while longer, but they don't play correctly and really need to be replaced.

    #3 5 months ago

    Also how much up down movement is there if you lift up on the bat?

    #4 5 months ago

    A little play is present in the up/down movement but seems to be similar to the other flipper. I will most likely need to rebuild the assembly. I can feel resistance in the actuation when moving the flipper compared to the other one. Something is def worn out. Its hard to determine what is causing it though.

    #5 5 months ago

    Pop the two coil stop screws and see if you can pull it out. It may be mushroomed into the sleeve. If you can get it out, and slide the coil/sleeve off the plunger, you will probably see the end of the plunger is mushroomed and scraping on the inside of the sleeve.

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