Correct. The field is energized from a connection to the output brush (which is connected to the Gen terminal)to ground through the regulator. A bad (or missing) regulator might not allow polarizing to happen. A sure way to force polarization is to ground the field terminal on the gen with a jumper. the spark that is going to happen is the result of the fact that the voltage also goes through the armature to ground. This does nothing foe the armature, but is the reason for the large spark. One second of contact is zero damage to the gen. Jim
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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