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Thread Tools | Display Modes |
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#1
10-06-2010, 02:10 PM
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Voltage Regulator Photo: What is the wire-wrapped rod?
Didn't know quite where to post this, but this VR looks like the type used on older IH Cubs. What is the jumper type non-metallic, wire-wrapped rod that connects across two terminals on the bottom?
Perhaps a fuseable link? It is somewhat easily removed by opening the clamp ends. I did some damage to the wire, and had to re-wrap with new wire that is just a hair thicker. I'd just like to know what this piece does, and if my repair will suffice. Thank you. 
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#2
10-06-2010, 02:11 PM
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It is a "wire wound resistor".
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#3
10-06-2010, 02:39 PM
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Okay, thanks. Being a resistor, I wonder just how crucial the wire thickness, type and number of winds will end up being. I can't simply fire it up and test it right now, since the tractor is being built back in a restoration effort. I'm just now putting the electrical back in, and probably a few days away from test-firing the motor.
I appreciate the input.
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#4
10-06-2010, 03:50 PM
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Wire wound resistor are more precise than carbon core. I don't know the original value of that resistor, but I would say it would precisely designed.
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#5
10-06-2010, 04:07 PM
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I see.
Well it's either plunk down $50ish and replace it, or try to repair it and expand my wee brain a bit. So, I've put on a thicker wire, with a guesstimated number of wraps. I've likely lowered the resistance at this point. I'll have to wait til I get home to see just what I my be sending more juice to. Thank you Sir.
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#6
10-06-2010, 06:31 PM
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This is a Wiring Diagram of a Typical Circuit.
As you can see, there is a Resistor (in blue) to ground within the V/R. That is what your issue is about.
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#7
10-06-2010, 08:11 PM
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Great, that's really helpful info. Thank you Roland.
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#8
10-07-2010, 10:48 AM
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Curious , the value of that Resistor ? It must be something small , but large wattage . Anyone have an idea of the Value . My guess 2 -4 ohms
Edit : I just checked a new V/R I had on shelf . It reads 54.8 ohms across the resistor .
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#10
10-08-2010, 12:37 AM
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Are there not any markings on there that tell you the specs of it? I always remember looking at a chart for color codes on ones I used on my "learn to solder" kits that i had as a kid. If there are any markings on it you might be able to use it to just replace the resistor itself.
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