Arcade Collecting > Pinball

EM Pinball issue

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g.robert:
Thanks guys. Player one fixed, Cleaned off mechanism, applied some 3-1 lube. Still off. Shortened return spring 1/4" and works like a charm now... Should I replace that modified spring or OK to leave it?

The 2nd player is confusing me some. Does not lock every time but when it does it's always at 8... It does not appear that the coil is firing repeatedly trying to reset to 0 like it did on the 1st player but I could be mistaken...

jennifer:
   Jenn would take them out and rebuild the as sure as I im sitting here, Oil is a BAD idea, especially on that contact wheel in the back of the cab, (the one where the contacts slide though the board) **again DO NOT OIL, But that also could be a source of your problem, dirty contacts. or so worn the blades just are not making a nice connection.

pbj:
Once you get something going on an EM, do not mess with it further.  "Clean and adjust all the switches for proper operation" = you're selling it for $50 as-is six months and 100 hours later

g.robert:

--- Quote from: jennifer on January 18, 2015, 05:05:20 pm ---   Jenn would take them out and rebuild the as sure as I im sitting here, Oil is a BAD idea, especially on that contact wheel in the back of the cab, (the one where the contacts slide though the board) **again DO NOT OIL, But that also could be a source of your problem, dirty contacts. or so worn the blades just are not making a nice connection.

--- End quote ---

The lubrication was just on the mechanical side where the physical parts slide back and forth. Nothing was applied to the opposite side that has the electrical contact paths... Contacts on that wheel were not the issue. The issue was a week return spring or mechanical drag that I possibly band aided by increasing the tension of the solenoid return spring...Thanks for all the suggestions though..

Karetaker:
Lube is a bad idea even for the mechanical parts. It's a dirt magnet and eventually you will end up tearing it apart again and cleaning it. If you get them good and clean they don't need any lube. With these EM's you always start with cleaning the switches and tearing down the steppers and cleaning them. Generally that cures most of the problems.

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