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Bruce in 100 mile house
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 Posted: Tue Oct 23, 2012 7:18 am Post subject: 49 N charging |
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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
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Joined: 13 Aug 2007
Posts: 12660
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| Posted: Tue Oct 23, 2012 7:22 am Post subject: Re: 49 N charging |
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| Bruce in 100 mile house wrote: | | (quoted from post at 11:18:28 10/23/12) 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. |
Alternator?
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old
Tractor Guru
Joined: 12 Mar 2000
Posts: 50412
Location: Lake of the Ozarks area of MO
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| Posted: Tue Oct 23, 2012 8:31 am Post subject: Re: 49 N charging |
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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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Bruce in 100 mile house
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| Posted: Tue Oct 23, 2012 9:49 am Post subject: Re: 49 N charging |
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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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old
Tractor Guru
Joined: 12 Mar 2000
Posts: 50412
Location: Lake of the Ozarks area of MO
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| Posted: Tue Oct 23, 2012 9:57 am Post subject: Re: 49 N charging |
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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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souNdguy
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Joined: 20 Aug 2002
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| Posted: Tue Oct 23, 2012 10:04 am Post subject: Re: 49 N charging |
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alt or genny?
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Dell (WA)
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Joined: 21 Sep 1998
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| Posted: Tue Oct 23, 2012 12:52 pm Post subject: Re: 49 N charging |
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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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Mr. T. Minnesota
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Joined: 17 Jan 2012
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| Posted: Tue Oct 23, 2012 2:59 pm Post subject: Re: 49 N charging |
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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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JMOR
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Joined: 13 Aug 2007
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| Posted: Tue Oct 23, 2012 5:59 pm Post subject: Re: 49 N charging |
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| Bruce in 100 mile house wrote: | | (quoted from post at 13:49:38 10/23/12) 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. |
It 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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Bruce in 100 mile house
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| Posted: Wed Oct 24, 2012 6:29 am Post subject: Re: 49 N charging |
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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
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Joined: 13 Aug 2007
Posts: 12660
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| Posted: Wed Oct 24, 2012 6:32 am Post subject: Re: 49 N charging |
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| Bruce in 100 mile house wrote: | | (quoted from post at 10:29:21 10/24/12) 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. |
Look to hear from you.
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