I also have found a few junkyard cores with the little wire wound resistor. I really dont know what application would require that part or what it does, they seem to work with or without it ? Bob seems to have a lot of experience with that model alternator, Bob, can you que us in as to what that little resistor does and what machines use it. ?? I also have uesd an ohmmeter on used regulators with readings that vary a lot. They all seem to work within normal voltage specs, so I suspect that different brand regulators are built to different specs.
Testing a used regulator is not hard if you have access to a variable voltage power supply that can supply atleast 16 volts. You connect the + terminal of the power supply to the two regulator blade connctions and the - terminal to that ourboard screw hole where the un insulated screw goes, and connect a 12V test light across the other two terminals. When you apply voltage, the test light should glow until the voltage exceeds 14-15 V where the light will go out. As soon as you lower the voltage below that 14-15 V again the light should come back on. This indicates a working regulator that is within normal specs.
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Today's Featured Article - Fasteners: The Nuts and Bolts of Nuts and Bolts - by Curtis Von Fange. The nuts and bolts of nuts and bolts is an interesting and essential piece of knowledge that applies to our older tractors. An improperly torqued capscrew on an engine head or a shear bolt that is too hard on the driving shaft of a bushog can create havoc and make an expensive and uncalled for repair. Let�s examine the purpose and design of these fasteners in order to ensure their proper use. Fasteners are probably one of the aspects of mechanics that is given the least amount of thought.
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