(Topic ID: 261757)

Williams Aztec - Game has loud buzzing when scoring starts

By The_Great_Man

1 year ago


Topic Heartbeat

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  • 18 posts
  • 7 Pinsiders participating
  • Latest reply 1 year ago by schudel5
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    #7 1 year ago

    Buzzing can be caused by a number of things. The armature plate may be dirty or worn, The spring tension on the plate may be too high. The leaf switches themselves may be pulling with too much tension. Replacing the coils might help...might not.

    #8 1 year ago

    Thought I would mention. Out of literally hundreds of machines, here's how many coils I've had to replace due to buzzing.

    zr1 (resized).jpg
    #13 1 year ago

    When pressing on it makes it quieter, that suggest that there is too much tension pulling the plate back. This could be caused by too much tension from the armature spring. The other thing is the amount of tension being applied by the leaf switches. Especially the one in your first photo. It has six switches. You may have to adjust all of them to reduce the tension. I've seen some that will actually work with no armature spring attached. Just the tension from the switches was enough for them to spring back.

    I've also seen lock relay coils that had the wrappers burnt to a crisp (like yours) and they still worked fine with no more buzz than normal.

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