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I've been chasing a problem with Trainmasters tripping the breaker when traversing a 112 Super O switch at low speed. I eventually traced the problem to the pickup roller touching the swivel rail when entering the switch from a curve. I confirmed this by placing scotch tape over the swivel rail to insulate it for a test, but obviously, this is not a durable solution. Has anyone else addressed this in the past, and come up with a more robust fix?

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I’m glad the fix worked. My I suggest you look at my videos on You tube.

https://www.youtube.com/watch?v=NxuzW89Hwr4

https://www.youtube.com/watch?v=4Gt35MHYOFI&t=1s

I filmed off the cuff so they are not that polished however I touched on all the problem areas. If you buy a clean pair of switches, they will most likely work without any problems; considering the last ones made were from the mid-sixties that’s not bad. However, with a little love you can bring back the well-played with ones. regards Rob

Good info in your videos.  Most of those that I bought were cheap and in horrible condition.  It took quite a bit of effort to clean the rust and restore reliable operation.  I converted to LED bulbs, and all are working fine now.  I run them from a fixed 12VDC supply, and they snap into position.  I also added a thermal protector in series with the 12V supply to prevent damage if one gets stuck.

It's great when you bring bad old stuff from the heap. I know the guys in the Io Group were talking about some of the LEDS being fried from coil induction after in use for a while. Placement of the components is crucial within the circuit. I  am using the old stuff; I try not to get too involved with anything pass the eighties, regards Rob Wachter

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