Originally Posted by brokenhead
Whatever the case, when the counterweight is down the heat is off, when the counterweight is up (the spring is cold) the heat is on.
Interesting. Mine ('38 car) is just opposite. I verified that when I had mine apart. Maybe they changed somewhere along the line???? It couldn't be that I made a mistake. grin If I did it sure runs fine when hot.
Heat off position.

Last edited by Tiny; 08/31/2015 1:14 PM.
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