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#1
05-02-2012, 07:50 AM
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126 charging
I recently purchased a 126. Tractor is pretty straight, all the tires hold air, but was not running. I went throught the carb and had to completely rewire the thing. I got the wiring done the other night and she started right up, and is probably one of my best running cubs. My issue now is that as I was taking my first test drive, I noticed that the ammeter was pegged anytime the tractor was above an idle. I also noticed some battery acid leaking. The battery is a new one, and it did not feel hot at any time, and was not securely fastened, so it may just be leaking from bouncing around, but I was concerned that it was overcharging. I shut it down and sprayed it off, and when I restarted the tractor it seemed to be regulating more, but is still charging quite a bit, but I did not notice acid any more. One thing that I realize now is that I did not re-polarize the generator after I had all the wires off. Could that be an issue? Bad V/R? Just a fluke?
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--- 5x Originals, one with rear PTO, 70, 2x 100's, one w/ creeper,2x 102's, 2x 122 w/creeper and rear pto, 2x 123's, 105, 125 w/ aux hyd,2x 73's, 126, 2x 147, 86, 2x 108's, 129, 2x 149's, 169, 3x 800's, 2x 1100's, 1250, 3x 1650's, 682, 2x 782's, 782D, 982 w/60" Haban, 1872 w/ Haban deck 2 Rear Tillers, 1 Snowblower, #1 cart and 2x #2 cart IH/Cub Cadet 79C Chipper 526 Front Tine Tiller Brinly plow, disk, grader blade 
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#2
05-02-2012, 08:20 AM
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I would look in the area of the V/R. Make sure that the V/R is properly grounded. Check by measuring the resistance between the V/R case and the negative battery terminal. It should read zero ohms.
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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
05-02-2012, 08:35 AM
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Can't rely on the amp gauge. I have a couple cubs that when first started the gauge pins and after a few minutes it comes down. The voltage is fine. You have to put it on a volt meter and amp meter to see if it just the gauge.
Keep us posted.
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#4
05-05-2012, 12:35 PM
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With the tractor idling, I have ~14.5 v, full thottle I have~18 volts. Zero resistance between neg terminal and reg ground, as well as the gen and f terminals of the reg, seem to have infinite resistance on the batt termianal of the reg.
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--- 5x Originals, one with rear PTO, 70, 2x 100's, one w/ creeper,2x 102's, 2x 122 w/creeper and rear pto, 2x 123's, 105, 125 w/ aux hyd,2x 73's, 126, 2x 147, 86, 2x 108's, 129, 2x 149's, 169, 3x 800's, 2x 1100's, 1250, 3x 1650's, 682, 2x 782's, 782D, 982 w/60" Haban, 1872 w/ Haban deck 2 Rear Tillers, 1 Snowblower, #1 cart and 2x #2 cart IH/Cub Cadet 79C Chipper 526 Front Tine Tiller Brinly plow, disk, grader blade
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#6
05-06-2012, 11:32 AM
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Disconnect the (+) battery cable before (if) you try this. If you ignore this warning, the tractor could come to life if you mistakenly close the cutout relay contacts. The tractor could motor forward under the power of the SG motor and damage property or endanger you or bystanders.
Open the regulator case and check the contacts on both relays inside the case. When not running, the contacts of the CUTOUT relay should be OPEN. The contacts of the voltage / current relay will be NORMALLY CLOSED. The issue might be that they are welded closed and therefore cannot open the ground to the field coils in the SG motor. If the relay contacts fail to open and the field coil stays fully grounded, no voltage regulation OR OVER CURRENT PROTECTION for the SG motor is available. You may be able to gently pry the contacts open with nothing more than light fingernail pressure peeling the contacts apart. Don't overdo the pressure, they should separate easily. If they separate with a "snap", you will most likely see evidence of corrosion or pitting. A points file or very light grit wet/ dry paper (400 / 800 grit) may get the regulator back in operation. It may only be temporary, but it would allow you not to guess when it comes time to open your wallet and take out some hard earned cash !!  Chuck
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If you do not learn something new every day ... you are not paying attention !
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