Great questions JMOR but absent detail internal wiring diagrams of particular Voltage Regulators and some serious study (Im too old for that lol) I just cant provide the answers you're looking for BUT IM AN ASK WHY PERSON MYSELF LOL.. .
1) Actually, B type regs survive A-type polarizations just fine... ..
You have claimed that before with explanations and certain VR wiring diagrams AND I HAVE NO REASON TO DOUBT YOU ..If it works for you GO FOR IT no way Im arguing you do otherwise and I take you at your word which I certainly respect.. ...
2) It is A-type regs that smoke fast when you polarize. ..
May be ?? but FWIW Ive never smoked an A type when I jumped from BAT over to ARM ??.. .
3) B's are damaged by applying battery voltage to Field, too...UNLESS one removes the VR Field to gen Field connection before applying Battery to generator. Must apply to gen Field only & NOT VR Field.
I AGREE AND THATS HOW THE MANUALS SAY TO DO IT
4) Looking at circuits, caused me to ask, why didn't 'everybody', from day one just use the A-type polarization.. ..
You would have to ask Delco and the Deere and other manual publishers that sorry I just dont have enough detailed information to answer your question
BOTTOM LINE DELCO DEERE AND OTHER MANUFACTURERS THEIR RECOMMENDATIOSN TO POLARIZE
According to the Delco-Remy service bulletin dated 7-3-61, there are two different circuit types of generators:
To polarize the generator with:
Type A circuit - Momentarily connect a jumper lead between the regulator BATTERY and ARMATURE terminals after all leads have been connected, but before the engine is started...
Type B circuit - Disconnect the lead from the regulator FIELD terminal, and momentarily touch the lead to the regulator BATTERY terminal. This should be done after all other leads have been connected and before the engine is started.
Soooooooo I recommend what the manuals and Delco have to say,,,,,,I CAN NOT ANSWER YOUR QUESTIONS,,,,,As far as Im concerned its YOUR tractor,,,,,,,,YOUR potential risk to do otherwise,,,,, Its YOUR choice... ..
As always its fun sparky chatting with you, I enjoy and appreciate your deep technical insights, I have learned from you and wish I had the answers grrrr my bad
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