Firepower
Williams, 1980Williams had a boat load of leaf switches that were assembled incorrectly. One blade was installed upside down.
You can disassemble the switch and correct the issue, but sometimes the gold plating will be destroyed on one contact and cleaning alone will not last long.
Pinball Resource sells blades & contacts to rebuild them.
Quoted from Schwaggs:Squeeze a piece of copy paper between the contact points and pull the paper out. Do this until the contacts are clean.
With the switch open (no balls in the trough in this case) bend the contact point so they are 1/16" apart or less without touching.
Playing the game will clean the contacts in some instances. So there is a chance it will go away on its own.
If you plan on getting more machines or are a tool nut, consider one of these. They make adjusting switches a breeze! http://www.pinballlife.com/index.php?p=product&id=1518
Thanks for the tip, I'll give it a try this weekend and see how it goes. I may pick the tool up just to have, I know I have a couple of other switches that are finicky as well, but don't cause play trouble.
Quoted from mwsmith:Williams had a boat load of leaf switches that were assembled incorrectly. One blade was installed upside down.
You can disassemble the switch and correct the issue, but sometimes the gold plating will be destroyed on one contact and cleaning alone will not last long.
Pinball Resource sells blades & contacts to rebuild them.
Quoted from mwsmith:One blade was installed upside down.
Not the blade, but the contact points were put on the wrong side.
Ah, those were the 80's. The early solid state games with their "oops"
in manufacturing clicks.
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York, PA