Whirlwind owner help please

[Spandangler]

Hey folks

Does it matter which lugs the wire from the coil goes to on the eos. I’ve looked at the current configuration to do a flipper rebuild and I have 2 different configurations. On each flipper?

On the upper right flipper and lower left flipper the wire comes from the centre lug of the coil to the short blade of the eos.
On the lower right flipper the wire comes from the centre lug of the coil to the long blade of the eos. Guessing it’s fine as it’s always been that way but can’t be 100% sure
Thanks all

 

[pinballmania]

yes. it doesnt matter which way the eos is wired, as long as the eos effectively is shorting the fine gauge winding.

 

[Spandangler]

Thank you Andy

 

[Jay Walker]

Re. your picture; at a Williams tech seminar it was mentioned that the coil bracket (at the opposite end to the stop bracket) had had cut-outs added to allow the coil to be fitted with the terminals away from the stop end. With the terminals sideways if necessary, as with the upper flipper of Black Knight 2000. Which I found a little ironic, as playfield solenoids had gone the other way; even in the days of 'Special' solenoids, bumpers and slingshots had the coil terminals away from the stop end, but by then they hadn't.

It's difficult to tell, but I think that I see the flipper unit has the newer type link, though the baseplate is older, with a fixed mounting for the end-of-stroke switch. I found that the newer link doesn't get along with the older, conical compression spring - its larger 'shoulders' break the spring. The externally-mounted spring would need a hole drilled in the switch mounting spur, to attach the spring.

With the parallel-wound coils, both windings begin at the 'live' end of the coil, the outer terminal with the banded end of a diode. The heavier Power winding comes out on the centre terminal, and the thinner Hold winding at the 'tail' end of the coil (the outer terminal with the plain end of a diode). The Eos switch is used to cut-out the Power winding when the switch opens, so the switch wires connect to the centre and tail-end terminals. Which connects to which terminal of the switch isn't crucial. Luckily, Williams' serial-wound coils have the same requirements, i.e. 'Live' terminal power supply wire(s), centre terminal Eos switch, tail end terminal Eos switch and return wire.

 

[Spandangler]

Jay. You’re a national treasure. Thank you very much

And yes the flipper kit came with the newer links. I should have probably changed the base plates and upgraded to the newer spring but I didn’t have 3 of them. I’ll see how it goes.