(Topic ID: 193569)
Battle Creek, MI
The one with the arrow is a "timer" I believe. I'm not sure what Bally called it but I'm pretty sure that after so long it would make the game go dead so the next person could drop a coin in it. I'm sure someone here can explain it better then I can.
John
Quoted from Dayhuff:The one with the arrow is a "timer" I believe. I'm not sure what Bally called it but I'm pretty sure that after so long it would make the game go dead so the next person could drop a coin in it. I'm sure someone here can explain it better then I can.
John
Do you see the round rusty looking bell like thingy in the pic?
I know that is a timer because when the little lever on the side of it is pushed/pulled down I can here it "ticking" and the lever slowly moves back to it original position....I'm wondering now if someone didn't put that in the place of the part I am asking about?
Edit: but they both have wires going to them
London
Total guess here, just from the pictures.
Looks like the solenoid mech in the top pic is missing a screw and has rotated on the remaining screw. Is there another screw hole under the mech.
Is that a rod/peg on the metal plate by the tail of your arrow ?
Could the hole in the arm of the solenoid fit over that peg if it is one ?
Quoted from Moonbus:Total guess here, just from the pictures.
Looks like the solenoid mech in the top pic is missing a screw and has rotated on the remaining screw. Is there another screw hole under the mech.
Is that a rod/peg on the metal plate by the tail of your arrow ?
Could the hole in the arm of the solenoid fit over that peg if it is one ?
You are right. it did rotate and it does look like it goes on that pin/peg. and I was wrong about it having wires going to it.
and no, there is not another screw hole in the wood, and it doesn't line up like I think it should.
the mech appears to be some sort tensioner/plunger/shock absorber?????
something is not right about this, and how it is mounted on the board?
I could be wrong, but it looks like a Hydraulic timer?
It pulls(pushes) out with a coin/reset, and the spring by the bell slowly pulls the bar back, as the
resistance from this slows it down as a timer.
I think its purpose was to act as a switch for Dry cell batteries to turn on lights, or other, and then slowly
push back to turn off power and ring bell?
Maybe???
No idea what Bally's official name for the thing was but let's call it the "delay valve". If you open it up, you will find a piston wearing a leather cup. A couple drops of 3-In-1 oil will make the cup nice and soft and slippery. Put it back together and notice that now there is some resistance to moving the plunger back and forth. It takes a second or two for the air to hiss out past that adjuster screw that I wouldn't mess with.
It is probably there to 'slow down' the under playfield part of the start cycle to allow for steppers to reset.
Service info: Here's a pic of a schematic to 1947 Ballyhoo - it's about all there is.
It's called a Dashpot or dashpot timer.
It's application here or purpose is usually to slow the return of the playfield shutter (the wood slide plate that allows balls in trap holes to drop down). This also allows certain reset functions to finish. It was one of those "standard" pieces of hardware in that era so they often exist even on games without the shutter wood.
As was already stated, the bell shaped wind up is the electrical timer to disconnect power (either dry cell or AC). Hopefully, long after the player has shot all their balls.
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