Lionel Automatic Crossing Gate Cam
thingiverse
To affix on Lionel 252 Automatic Crossing Gate's axle, I replaced the missing original cam with a new one designed from a repair manual sketch. To enhance operation quietness, Sugru was added to the curved cam surface and solenoid plunger head, making it larger than the original. Disassembling the gate crossing requires force due to riveted or soldered axle placement. The old cam removal is optional if lost. Post-Sugru application on new cam and solenoid piston, reassemble the gate crossing then connect to power for testing. Lastly, secure the axle end with solder or glue.
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