Is there a remedy for the old coil couplers to keep from opening when they go over Lionel O72 switches? No problems with the O22 switches.
I wish I knew myself. Mine open on any switch, no matter what size. I tried taping part of the frog and other places.
Roger
this problem usually involves the sliding shoe. some people go as far as clipping it off completely, but if you can snip the wire going to the shoe, that should also cure the problem with a way to revert to the auto uncouple feature (which nobody uses) if you want to restore it later.
good luck...gary
To disable the shoe, I push it all the way in and then wrap around the part behind the plate a single turn of the largest PVC-insulated solid-conductor wire that will fit, wedging it into the space under the bakelite lip. It stays in place; but I can remove it easily, leaving no trace of the modification.
Bob Nelson
Thank you gentlemen.
Is it a new O-72 switch or an old prewar/postwar one? The older ones were meant to work with slide shoes, but I've heard complaints about the new switches on a wide variety of issues. If yours is new, you might try snagging an old one off of Ebay. As for myself, modifying the couplers isn't an option. I've run into your issue on a several manufacturers and have only had luck with Gargraves switches after minor modifications to the switch, and Ross with major mods.
Good luck,
Dan
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