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Rotamint Record help

Posted: Wed May 22, 2019 9:49 pm
by romeo_22
Hi all, I am restoring my 1959 Rotamint Record I have totally finished a complete cabinet plus hinges, locks, reel contacts and coin mechanism overhaul. Today I powered it up for the first time to find that coin switch has to be permanently “made” for mech motor system to operate, it seems the “run on”latch system does not work, if I “open” the coin switch the motor stops unless I hold it “closed” until the cam is run around enough to make the right hand end contacts to“make”and take over. Please does anyone have a circuit diagram or advice to help me fix it as I’m so close to finishing the lovely old machine ❓

Re: Rotamint Record help

Posted: Wed May 22, 2019 10:03 pm
by treefrog
Hopefully someone will help as I always thought a copy of circuit diagram was stuck to the back door of the machines.

See below thread on Rotamints, where the Duett version has a copy of the diagram, not sure how different they are..

Rotamints

Re: Rotamint Record help

Posted: Thu May 23, 2019 9:52 am
by badpenny
You're right, the coin sits on the micro switch to start the machine, then as the cam at the top turns around to actuate the leaf springs one of them self-actuates the play solenoid.
It's at that point the coin closing the start circuit becomes redundant. To evict the coin, a hooked, flat probe enters between the two plates that make up the coin gate and pushes the coin off the switch and down towards the coin tube.

I hope that makes sense.

BP :cool:

Re: Rotamint Record help

Posted: Thu May 23, 2019 8:42 pm
by romeo_22
Thanks for the replies, me having been in the gaming industry (Peter Simpers Bath) for 38 years have never worked on one of these German Rotamint m/cs. The majority of the older m/cs made before electronic MARS mechs were brought in had a lever micro switch or wafer coin switches.

This is the reason I was initially confused about this system, so clever those Germans. Today after a bit of head scratching I worked out what and why there is a crank lever system and coin switch crank lever. As the NSM coin switch had disintegrated and are not easily obtained I’ve had to resurrect an miltac roller micro switch and do some bracket inventions which has now got the m/c running.

Re: Rotamint Record help

Posted: Sat May 25, 2019 1:57 pm
by pennymachines
It looks very smart. !THUMBS!
Well done on getting such a tricky machine going again!

Re: Rotamint Record help

Posted: Sat May 25, 2019 5:16 pm
by treefrog
Glad someone knows what they are doing, you could have a job for life fixing these :D

Re: Rotamint Record help

Posted: Sat May 25, 2019 8:10 pm
by badpenny
I like them, think they're fun.
I used to buy them when they turned up at Newark Antique Fair for about thirty quid and have only been nearly killed twice.

BP :cool: