Re: Tech: Earthshaker flipper problem

"deane" <davedeane@xxxxxxxxxxxxx> wrote in
news:cdbf5$486910e5$8517@xxxxxxxxxxxxxxxxx:

Just bought an old neglected Earthshaker. Right flipper works OK, but
left flippers don't. This machine is older vintage than what I'm used
to. Figured out how to run diagnostics, but none available for
flippers as far as I can tell. Questions:

1. Contacts (for EOS switch I guess??) on lower left flipper were
open. I bent them back so they would be closed. Did this since they
were closed on working right flipper. Was this the correct thing to
do?

2. What tests can I perform to troubleshoot this problem? Better
yet, is there a published troubleshooting procedure? The only
"marvin" stuff I have seems to be for newer generation Williams
machines.

You can start by replacing the fuse for the left flippers -- it blew when
the EOS switches were open.

After that, put the game into any test mode or adjustments, and flip away
to diagnose.

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