Additionally w/ respect to fields and armatures, the resistance between the comutator and shaft on a yale drive motor is 35k ohms. The yale p/n is 730004900, 36 volt, is this within tolerance?
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The motor was completely pressure washed w/ extra attention to the armature. The reading at that point (after drying) was 35k ohm. Following your advice of using alittle cleaner, the resistance jumped to infinity.
Thank you
The reading should be more than 100k ohms. Your's is less at 35k. You could try taking some spray electric motor cleaner and washing it to see if the resistance increases to above 100k ohms.
I'm checking the commutator to the shaft ( disassembled motor), what should that resistance read at a minimum. If I check between pwr cables (on an assembled motor), I'm reading through the field, right? Do you know who sells recond. armatures?
it is bad, if your reading is accurate.
if this truck uses a GE controller, min. resistance is 100K ohms between any power cable (the commutator is attached and should be almost 0 ohms) and the frame (the shaft bearings are attached to and almost 0 ohms)
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