Re: Farmall-A 6V 4-Position Switchbox Coil

Posted by Pharmall on June 16, 2005 at 07:49:07 from (68.9.106.167):

In Reply to: Re: Farmall-A 6V 4-Position Switchbox Coil posted by Kendog on June 16, 2005 at 06:12:39:

My new milliohmmeter only has a 1 ohm resolution, so the
resistance could be anywhere between 100 milliohms and 2
ohms. At those levels it makes a difference how hard you press
on the connections. If your resistor is already broken, it
wouldn't hurt to try and braze it. The braze alloy will have a
lower resistance than the wire, so it shouldn't develop a hot spot
or increase the resistance of the system. Biggest problem I've
run into in restoring my '48C is corroded and rusty connections.
They can add a lot of resistance in the circuit and really upset
the intent of the original design. Good luck. Jeff

There is a pretty good article on three brush generators at:

http://www.ytmag.com/articles/artint4.htm

I'll try to attach the link on this message.

• Three Brush Generators

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