Re: 36-120 Voltage Question
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Just popping in
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Any ideas based on the pictures? I seem to have some more spare time since we can barely leave the house. Lol
Posted on: 2020/3/20 12:39
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Re: 36-120 Voltage Question
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Just popping in
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This is good stuff, thank you. I'll look at the hanger spring as well since I'm thinking it may have been messed with.
I keep reading about adjusting the third brush. How would I go about doing that?
Posted on: 2020/3/21 10:15
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Re: 36-120 Voltage Question
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Forum Ambassador
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Usual third brush adjustment is that moving in the direction of armature rotation increases charging rate (amperage).
Posted on: 2020/3/21 10:38
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Re: 36-120 Voltage Question
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Forum Ambassador
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No clue on your generator but reading thru the charging description of a couple of systems with third brush generators Packard used in the 30s, the third brush was not adjustable and was fixed to give around 23 amps output.
Looking at your photos I don't see anything obvious I would consider being an adjustment mechanism to move the brush so it may be one of the fixed types or maybe not enough detail or the right view in the photos. One of the guys more familiar with that era 120s could probably tell you if it adjusts and where and what to look for in the way of adjustment screws or a brush sliding mechanism.
Posted on: 2020/3/21 11:29
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Howard
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Re: 36-120 Voltage Question
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Forum Ambassador
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Were it my car, I'd probably send the generator and regulator to one of the vendors who specialize in this work.
Posted on: 2020/3/21 11:43
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Re: 36-120 Voltage Question
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Quite a regular
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37 Packards 115C & 120C used a 3 brush generators with a non movable third brush, known as split field generators. I don't know for sure if 1938 6 & 120 generators were the same.
Posted on: 2020/3/21 13:32
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