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Interesting Wheel Pedal Repair


neilestrick

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On Tuesday one of my Thomas Stuart wheels needed repair. The pedal wouldn't respond unless you wiggled the cord. On Wednesday the wheel next to it starting going full speed as soon as you turned on the power switch. It turned out that both needed the same repair, which was not replacement of the pedal guts/potentiometer as I initially thought. Instead, the problem was the cord, specifically right where it goes into the pedal. The plastic cord grip nut at that location puts a lot of pressure on the wires, and over the last 12 years wore them out. I couldn't tell specifically what was happening, but they were clearly fraying or shorting out. Anyway, I simply cut out that section of the cord, spliced the ends of the 4 wires, and hid the splices inside the pedal. The cord is now a few inches shorter, but the wheels are up and running again.

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