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Master Light Switch - look-a-likes - fix it

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Yellowhawk Valley Avatar
walla walla, washington, USA   USA
1969 Triumph Spitfire "Walla Walla"
1969 Triumph Spitfire "Portland"
1972 Triumph Spitfire MkIV "Spokane"
1975 Triumph Spitfire 1500 "Dayton"    & more
While working on my bro-in-laws wood shop yesterday one of the big sanders stopped working. The result was that the motor needed a new switch. I grabbed the old one as it looked remarkably similar to the rocker switch used for the headlight switch.
I brought it home and worked on it. Attached are a handful of photos I took during the process of resurrecting it.

It comes apart the same as our switch, by spreading the case and allowing the two plastic pins to release and lift the moving piece out of the case. Once out you can see it has the same spring loaded pin and extensions that reach down to the metal strap piece that opens and closes the contacts. As this one is only and ON/OFF switch there is only one pin and strap with no middle stop.
On this one, it failed for the same reason our switches often do, extreme corrosion on the contact points. In this case it was mostly burned on wood dust. A quick scrape of the solid contact and the contact on the metal strip, reassembly, and poof. A switch that shows very good contact (basically 0 resistance between the pins) when the switch is thrown.
I will add that this switch has a secondary lower piece that can also be separated to make cleaning easier.
I have posted this info so that many others have an opportunity to see how easy it is to rebuild our switches. I hope this helps. I also have similar shots of one of our actual switches if it is a benefit to anyone. This one will almost fit into the standard switch hole in the dash. Need a cool switch with a safety tab in it?
Dan

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Herald948 Avatar
Herald948 Andrew Mace
East Nassau, upstate NY, USA   USA
Years ago, I bought the first in a series of small air compressors, the kind that plug into the cigarette lighter. It wasn't all that expensive, so I wasn't too frustrated when it first got stubborn and then stopped working completely. I soon realized that it was the little rocker on-off switch that was the problem, so I replaced it with a cheap toggle switch.

Manufacturer of the failed rocker switch? Clear Hooters. winking smiley



http://www.fairpoint.net/~herald948/database/

Yellowhawk Valley Avatar
walla walla, washington, USA   USA
1969 Triumph Spitfire "Walla Walla"
1969 Triumph Spitfire "Portland"
1972 Triumph Spitfire MkIV "Spokane"
1975 Triumph Spitfire 1500 "Dayton"    & more
I guess no one can be perfect.
It would be interesting to me to see one of the Clear Hooter switches and the Lucas switch to see just what the differences are.. They look very similar on the outside , I think.
Dan

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