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CA not charging at full rate

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rossinmich View Drop Down
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Joined: 12 Sep 2009
Location: West Michigan
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rossinmich Quote  Post ReplyReply Direct Link To This Post Topic: CA not charging at full rate
    Posted: 15 hours 45 minutes ago at 9:51pm
6 v original system and generator. Struggles starting, New Battery in 2025, reads 6.15v at half throttle when running. I believe it should be over 7 with charging from generator when running. Tested the generator at a shop and they said it is good, check the grounds. This is a new to me nicely restored tractor so not sure on all the wiring. Im no electric expert but understand the basics of it. Attached are a couple pics, not sure about the spare wire there in the console. What should I look at next?
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DrAllis View Drop Down
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Joined: 12 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 15 hours 14 minutes ago at 10:22pm
Pull the light switch fully out to make it full charge ?? or adjust the third brush position inside the generator dust cover.
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PaulB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 6 hours 37 minutes ago at 6:59am
The operators manual tells how to adjust the 3rd brush and operate the charging system. 
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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steve(ill) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 5 hours 20 minutes ago at 8:16am
also , the light switch controls the MAX CHARGE... if it has some kind of problem, you could have a lower charge ... conntect a jumper wire with aligator clips, from the generator "F" terminal to the battery GROUND ( bypasses the switch) and see what happens...
Like them all, but love the "B"s.
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Les Kerf View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 5 hours 6 minutes ago at 8:30am
That light switch is completely different than the switches on my CA, Model C, and WD. I'm not saying for certain that it is the wrong switch, but it does need verification that it can actually provide the connection to ground to enable the field on the generator.

Has this tractor ever charged correctly since you have owned it, or is this a recent development?

Edit: Does that black wire that is dangling loose lead to the generator? You could test it with an ohmmeter to find out


Edited by Les Kerf - 5 hours 2 minutes ago at 8:34am
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 3 hours 46 minutes ago at 9:50am
Looks like it doesn't have the correct light switch to be able to do a low charge and "High Charge". So, that black wire probably has to be grounded to make the gen charge at all and then it would be high charge only.
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Les Kerf View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Les Kerf Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 60 minutes ago at 10:36am
Yup.
That's the reason I asked above about the dangling wire. There is supposed to be a wire connecting from the Field terminal at the generator and running to the 3-position light switch. When the light switch is pushed all the way in it grounds the field through a great big ol' 3 Ohm resistor, which I do not see, this provides a ground connection for Low Charge.

When the light switch is pulled out, it connects the Field directly to ground, allowing High Charge with lights on and High Charge with lights off, depending on which position is selected.
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Alberta Phil View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Alberta Phil Quote  Post ReplyReply Direct Link To This Post Posted: 47 minutes ago at 12:49pm
Steve at B&B usually has the OEM switches in stock.  He's usually on here, and just had another B'Day!!
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dfwallis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dfwallis Quote  Post ReplyReply Direct Link To This Post Posted: 12 minutes ago at 1:24pm
Originally posted by Alberta Phil Alberta Phil wrote:

Steve at B&B usually has the OEM switches in stock.  He's usually on here, and just had another B'Day!!

I bought one from him.  It was in near new condition.  I was amazed :)
1952 CA13092, CA Pickup Plow, CA Cultivator, CA Two Row Planter, Dunham-Lehr GC78 Disc, Grader Blade, 3pt Fm180 Finish Mower
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