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6 volt generator Farmall H

W

w400

Member
Hi guys Rain here today came home early decided to strip this generator on my H found to bare wires (insulation detireoated) between fields and posts possible charging problem? has anyone a schematic of the fitting of fields posts and brush wires made a diagram when I took it apart but on studying I think you could put together other way round would like to double check as someone has been in and cleaned out casing and fitted new brushes before my time.
Also if any of these wires grounded would this make it over charge (this is inside generator) and somtimes it doesnt charge, and also when charging generator gets quite hot opposed to no warmth at all when not working appreciate very much your input thanks
P.S. should I just post it to rebuild shop more £££$$$$ !!!
 
One of the field connections (two Brush) is connected to the Brush that is connected to the Arm post. the other is connected to the F terminal. no connection, or short to ground can be allowed.
If a three brush the first wire is connected to the third brush.
the second to the F terminal.
Again, shorts will either cause no charge (if close to the brush connection, or high output, and heat if at the F terminal end. Jim
 
Like Jim says--could cause either problem. Try insulating the bare wires & then put a thin plastic under the third [field] brush---or if only 2 brushes, insulate both from the armature & see what your multi-meter reads on RX1 ohms scale. put leads on F terminal & ground [case]. If reading is infinity, you are good to go. If there is continuity, you have a short to ground somewhere in the field coils. Glad you're getting this taken care of.
 
This service bulletin was published in 1953. The IH regulator is similar to the two-unit regulator described in this bulletin. The IH regulator has an additional current limit winding added to the voltage regulator relay. This limits the charge current to the battery, the “L” terminal is not current limited.

Delco-Remy Service Bulletin 1R-116
http://www.ruiter.ca/mc/info/PDFs/1R-116.pdf
 
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