With the shaft position sensor mounted in this position:
There’s no way to get a screwdriver into the trimpot that adjusts the sensor’s trip point.
A few minutes with tin snips, nibbling tool, and square file produced a small wrench:
One side of the wrench has a 45° bend that made tweaking the pot just slightly easier.
The proper trip point turned out to be about 90° away from where the trimpot started, with the level midway between the detection points for shiny metal tape and the cutout side of the counterweight.
The Smell of Molten Projects in the Morning 
Comments
3 responses to “Shaft Position Sensor: Trimpot Wrench”
“There’s no way to get a screwdriver into the trimpot that adjusts the sensor’s trip point.”
You know, Ed, if you ever think of starting a second career, there are probably openings in the Engine Adjustment Inaccessibility Department at one of the big automakers :-)
I like your clever solution for the trimpot, though.
You’ll find me down the hall from the Toyota engineers in charge of the Sienna air conditioning system…
Putting the LED-transistor head on a cable almost happened, but then I came to my senses.
And across the street from the Ford and GM engineers. I’ve wanted a few extra joints in my arms for a few projects. (A Watchmaker from Niven and Pournelle’s Mote books wouldn’t hurt, either.)