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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

49 N charging

Author  [Modern View]
Bruce in 100 mile house

10-23-2012 08:18:28
207.194.36.56



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After I start The old girl I need to rev the engine about 3/4 or more of throttle to excite the generator to start charging. It use to only need a little bit of rev's to get it charging. What could be the cause and the solution? Thanks in advance for your help. Temp. here this morning,- 8 C with about 2" of the white stuff. Time to put on the Chains.




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JMOR

10-24-2012 07:32:42
72.181.173.171



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 Re: 49 N charging in reply to 01BIRDDOG, 10-23-2012 08:18:28  
Quoting Removed, click Modern View to seeLook to hear from you.



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Bruce in 100 mile house

10-24-2012 07:29:21
207.194.36.177



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 08:18:28  
Thanks for all the advice guys. Have not had a chance to look at anything yet.Spent yesterday in town getting new rubber on my truck and gettin grub.Today is firewood and OSB on the top of my greenhouse. If I get a chance I will do what JMOR said. Will post back when I get to it and let you know what I find.Thanks.



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JMOR

10-23-2012 18:59:36
72.181.173.171



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 Re: 49 N charging in reply to soundguy, 10-23-2012 08:18:28  
Quoting Removed, click Modern View to seeIt is not likely a matter of "exciting". Your generator/regulator system is disconnected from the battery until the regulator senses a pre-set voltage coming from the generator Armature terminal (6.1 to 6.5 volts) & at that point, the reg connects the generator ARM to the battery (BAT). If the reg is not operating properly, this may be connecting only after your speed is up higher than normal (thus a higher than normal connection voltage) OR the generator may have problems & not producing 6.1 to 6.5v until speed is above normal. The latter can also be a result of regulator problems in the Field control contacts......i.e., if field contacts are not making good electrical contact, the generator field current suffers & you have low gen output & need higher speed to reach the 6.1 to 6.5 volts. Check the " failure to connect" BAT to ARM by jumpering BAT to ARM, while at a normal speed & no charging, & see if it begins charging. If not jumper the Field terminal to a good solid ground & see if it starts charging. If either "fixes" your problem, then get a new regulator. If not, come back, as there are other things to do in checking the generator.

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Dell (WA)

10-23-2012 13:52:18
97.113.110.225



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 08:18:28  
Bruce........didja remember to "polarize" yer 6-volt genny and squarecan voltage regulator??? Just "arc-spark" the side-by-side ARM & BAT terminals, ignition OFF. I use a stubby screwdriver. You can use bailin'warr iff'n you want. You can re-polarize as many times as it takes to feel warm'n'fuzzy ...er... charged. Iff'n a re-polarization don't solve yer problem, then its NEW squarecan voltage regulator time. Why? The pivot points of the regulator relays gitt worn and lock-up. .........Dell

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soundguy

10-23-2012 11:04:10
184.247.113.39



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 08:18:28  
alt or genny?



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Bruce in 100 mile house

10-23-2012 10:49:38
207.194.36.227



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 08:18:28  
Accualy like I said in the post it is a Generator(6vt). Just started with this problem in the last little while. Was brand new when I did the restore in 06 and has had a lot of use. I plow my and 3 other neigbours all winter. It is a long winter here. 5 Months give or take.Like I said it takes quite a bit of rpm to get the winding excited. After it starts it charges like normal.Wanting to know what to look for. Just had a brain wave while posting. Maybe I should go look for the obvious, the belt tention.HMMMM.

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Mr. T. Minnesota

10-23-2012 15:59:19
68.170.114.158



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 10:49:38  
100 mile Bruce,

My 2N does the same thing. It seems slow to charge.I replaced the belt with a ribbed belt and it did not really help. Tightness can be a problem as mentioned by another forum member. I run an old Wincharger system at my man cave in northern Minnesota and have worked on 6 volt generators for about 50 years give or take. You mentioned the tractor has seen a lot of use so your commutator may have to be cleaned up a bit. The spaces between the copper bars used to be mica.The spaces may have to be cleaned if the copper has worn down riding more on the spacing material than on the commutator bars. I cleaned one of my Wincharger generators and it helped a lot. Hope this helps!
Mr. T. Minnesota

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old

10-23-2012 10:57:15
209.86.226.32



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 10:49:38  
If in fact a generator system it should charge from the get go so yep good chance it is a ops thing and the belt is loose. If it is not the belt then your brushes maybe going bad and the generator needs to be repaired and new brushes installed



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old

10-23-2012 09:31:01
209.86.226.19



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 Re: 49 N charging in reply to Bruce in 100 mile house, 10-23-2012 08:18:28  
Sounds like you have a common troublesome 1 wire 12 volt alternator system and if so that is how they work and that is why I NEVER use the 1 wires I use the 3 wire type



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JMOR

10-23-2012 08:22:31
72.181.173.171



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 Re: 49 N charging in reply to TOM N MS, 10-23-2012 08:18:28  
Quoting Removed, click Modern View to seeAlternator?



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