[Jukebox-list] Rockola 1438 Slug Ejector Problem

[Jay Hennigan]

wbabbott at cox.net wrote:
> The continuing recondition saga on the Rockola 1438.... Dropping a coin down the chute hangs the coin up in the National Slug Ejector mech. I pulled it out of the juke and dropped some more coins in and it still hangs up unless you push the release button that drops the coin to the slug pot. I pulled the same model slug ejector out of my Rockola 1448 out in the garage (a future project, see... you're gonna hear alot from me) and this slug ejector does the same thing, the coin still hangs up. 

All coin denominations or just some?  What is the history of these 
jukes?  If they came from Canada, the rejectors are likely set up for 
Canadian coins.  If they came from Mexico, anything goes.  The rejector 
  may be gummed up with spilled beer, Coke, etc. from being on location.

National slug rejectors are generally pretty reliable once set up right. 
  You can test them outside of the juke.  Drop coins through and see 
where they bind.  Make sure it's vertical, there are a few little rocker 
mechanisms that rely on gravity to measure the weight of the coin.

Usually, coins that are the wrong size will drop through into the coin 
return rather than hang.  They'll hang if too thick, the rejector is 
gummed up, or if they contain iron and the magnets snag them.

It's not uncommon to see rejectors field-modified (butchered) to reject 
nickels and/or dimes.  A crude way of raising the price of play was to 
hack up the rejector to take quarters only and then move the coin switch 
wire from the dime to the quarter terminal.

> Guys, what's the quick fix... run it through the dishwasher and then a hot oil bath using WD-40 ??

The WD-40 bath isn't recommended and some dishwasher detergents aren't 
kind to some of the alloys in the rejectors.  Windex or diluted Simple 
Green, water rinse, and paper towels or bake at 140 degrees for half an 
hour would probably be better.  The rejectors kind of unfold on springs 
to get to the coin path.

I'd take it out, drop a coin in it and see where it is hanging up, look 
for a crud buildup there or something bent before trying a general 
cleaning.  That's not to say cleaning isn't warranted, but I'd try to 
solve the specific problem first.

--
Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
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