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JJ MARSHALL

STARTER GENERATOR

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JJ MARSHALL
WAS working my 2012 over the weekend when the engine just stop running try to restart it but the motor would not turn over, battery was up took the belt loose on the S/G it had lock up.I pulled it off the tractor and took it apart to find that the front bearing had came apart. when to NAPA today and bought 2, check on brushes while there they did not have them but could get them.price on brushes was $10.39.price on 2 bearings $7.45. would have though that the brushes would be cheaper that the bearings. JJ

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DMedal
caution: I'm pretty sure the brushes are special and unique for a S/G vs a generator. I think there's something in tech tips that covers this. UPDATE: I couldn't find it, but this is stolen from Al Eden's excellent website: "The brushes in these units have some copper added to them to reduce the resistance and handle the starting currents. Regular generator brushes out of a car or tractor generator won’t work. The starter won’t have the torque and they will be very short lived. " This is from : http://edensltd.com/starter-generator.htm , part of an excellent series on electrical systems. -Don

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