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(Topic ID: 217194)

1966 williams casanova shoot again, and again, and again...


By oilspot

2 years ago



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  • 12 posts
  • 4 Pinsiders participating
  • Latest reply 2 years ago by rolf_martin_062
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#6 2 years ago

Hi oilspot
may I ask some questions ? - Your post-1 "Shoot-Again-Relay works in theory" - means " the Relay only pulls-in when You expect it to pull-in" ? It stays pulling - You then launch the given Extraball - it runs upwards in the shooter alley - "Your trip arch switch" - is it here http://www.ipdb.org/showpic.pl?id=460&picno=21763 the "entrance-door to the playfield - in the picture way up, to the right" ? --- You adjusted the Self-Hold-Switch on the Relay and the arch switch to "hair-trigger" - WHAT is Your "hair-trigger" ? The Self-Hold-Switch on the Relay is an Normally-Open-Switch - it should be adjusted "closing late - very late". The arch switch is an Normally-Closed-Switch - it should be adjusted "opening early - very early". Well, I belive You have done the adjustment like this. How about "residual magnetism" - sneak in - in-between core of the coil and the pulled-in armature-plate - sneak-in - put in-between a piece of thin cardboard - so "metal cannot touch metal" - any better ? Greetings Rolf

#9 2 years ago

Hi oilspot
thanks for Your answer - You have adjusted the switches to "help as much as You can help".
I am curious - how many switches are on Your "Shoot-Again-Relay" ? In the schematics I have found "Normally-Open-Switch for the information-light(s)" - "Normally-Closed-Switch to open to suppress stepping on player / ball" - "Normally-Open-Switch used as 'Self-Hold-Switch - the one You have adjusted' " --- this sums up to three switches.

"Last try when nothing else helps": A "fast acting new / modern relay - see
https://gfinder.findernet.com/public/attachments/40/EN/S40EN.pdf : First page shows 40.52 Relay , also page-2 (I own several such color-orange 40.52 relays - various voltages) - we can buy AC-Voltage 6, 12, 24, 48, 60, 110, 120, 230, 240 --- on page-4 we see 40.52.8.024.0000 is the relay for 24VAC (50 and 60 Hertz) --- little problem: Such Relays only have TWO switches - two Make-and-Brake-Switches.
To make an replacement of Your "Shoot-Again-Relay" (three switches (?)): You'd have to mount two "Finder 40.52 relays of voltage 24AC" parallel. Finder is an Italian company --- in the USA You have http://www.ia.omron.com/products/category/relays/ . Maybe omron has new / modern / fast acting Relays. Greetings Rolf

#12 2 years ago

Hi oilspot
thanks for the picture in post-11. Yes, the top (in the picture) switch, the Self-Hold-Switch You have adjusted "closing very late". If it was "residual magnetism" and You could hammer it out and everything works by now: Please mark topic "as solved". You may think of "un-doing" what You did in "trying to fix the problem" --- adjusting the switches "normal" - put back the old retaining spring (not so strong pulling).
I believe: Humming of an relay is caused: Retaining spring pulls strong - and the coil pulls (opposite direction) strong - they kind of fight on "who has possession of the armature (?)"- An magnetic field made by AC-Current has a little flutter in the strength (due to the sinus-wave / HERTZ) --- and so the armature is moved - flutters - acts like the membran on a loudspeaker - a hum of 60 Hertz is created. Greetings Rolf

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