Dimmer Rheostats

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  • #83582

    One of the slider dimmers on my 340 has gotten loose to the point it slides down in flight. However, it still functions otherwise.

    Can I do something to increase its friction? Or can I replace each dimmer switch individually?

    I’m sure they aren’t cheap as a unit.

    #95064
    cochrane
    Participant

      After this many years I think they are probably worn out. Mine were loose and would not make uniform contact even after cleaning.

      I purchased all new slide potentiometers from Cessna through Lane Aviation in Columbus, Ohio. The price was quite reasonable (~ $10 each). I considered purchasing equivalent parts from one manufacturer, CTS Electronic Components, but the price was not that much lower.

      The Cessna P/N is CM3535-2 and Lane’s number is 1-800-848-6263 if you care to check with them.

      One part that I couldn’t find was the rubber tip to fit over the actuating lever – if anyone finds a source for those I would like to know.

      Geoff

      #95065

      Thanks! I’ll definitely give him a call.

      I know my sliders just have the white rubber toggle switch covers, like the ones JTA sells. The previous owner put new ones on. Looks pretty good, but I don’t know what I’m missing…

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