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Old 03-20-2012, 10:29 PM
PinballDude369 PinballDude369 is offline
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Question Volcano pinball pop bumper problem

The lower left side playfield pop bumper on my Gottlieb Volcano keeps acting up on me. For a while it will do like it's supposed to and then later on it doesn't do anything when the ball hits it. I've cleaned the contacts underneath it, but the problem keeps coming back. Any idea what is wrong with it? Thanks!

Rob
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Old 03-22-2012, 12:51 AM
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Check for loose wires on the switch, coil and in backbox.
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Old 03-29-2012, 09:25 AM
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Lightbulb Intermittent Pop Bumper

Sometimes as the pop bumpers age the plastic rod that pushes the switch starts to become flexible. This makes adjusting the contacts even harder. The softer rod can't move the the switch blades as far as it did when it was new. If your pop bumper fires every time you depress the switch or jumper it... try adjusting the blades for a shorter travel.
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Old 03-29-2012, 01:47 PM
PinballDude369 PinballDude369 is offline
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Quote:
Originally Posted by Coil_Smoke View Post
Sometimes as the pop bumpers age the plastic rod that pushes the switch starts to become flexible. This makes adjusting the contacts even harder. The softer rod can't move the the switch blades as far as it did when it was new. If your pop bumper fires every time you depress the switch or jumper it... try adjusting the blades for a shorter travel.
I will try this! let's hope that's all that is wrong with it. I'll let you know if this fixes the problem.
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Old 04-12-2012, 04:36 PM
chitownpinball chitownpinball is offline
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Just sell it to me, Ill fix it.
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Old 04-15-2012, 04:09 PM
PinballDude369 PinballDude369 is offline
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Default I think it's fixed!

I tried your suggestion to shorten the travel between the blades of the switch and that seems to have fixed it. Thanks for your suggestion. I'll let you know if this fails later.


Quote:
Originally Posted by Coil_Smoke View Post
Sometimes as the pop bumpers age the plastic rod that pushes the switch starts to become flexible. This makes adjusting the contacts even harder. The softer rod can't move the the switch blades as far as it did when it was new. If your pop bumper fires every time you depress the switch or jumper it... try adjusting the blades for a shorter travel.
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