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Rebuild a Generator?

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Earl Wade

12-11-2003 19:31:51

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Hello, I have a Ford Jubilee, can't keep the battery charged. Is there more to rebuilding a generator than just new brushes? I worry about jump starting it from my 12 volt system on my pickup truck, can I do any damage to my truck or tractor?

If it ain't a duct tape and hammer problem, I just get lost.

Sure would like some email help.

Thanks,
Earl

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Earl Wade

12-12-2003 09:25:41

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Re: Rebuild a Generator? in reply to Earl Wade, 12-11-2003 19:31:51

Thanks to you guys for the information. Mike,Buck,Tom, Tim and Alvin. I had put a 8 volt battery in and she ran fine and worked all day for about 3 or 4 days. I mainly use her for pulling logs out of the woods for fire wood and in the garden. I am in Fredericksburg, VA and lots of tractor dealers, so I think I'll take the genarator in and talk to them about a 12 volt system too. If she gets enough RPM's she fires up on the second crank. She has been good to me for over 30 years so I want to take good care of her.

Thanks again,
Earl

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Mike

12-14-2003 20:38:25

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Re: Re: Rebuild a Generator? in reply to Earl Wade, 12-12-2003 09:25:41

Earl,

I've been running a 2910 without a working charging system since I bought it last winter, the wires were kinda' fried in a fire and it doesn't have heardlights so there's no problem with any high amp drain other than starting. If you keep your tractor tuned so it starts properly you shouldn't have any problem running without a charging system. Just keep in mind how many times you start it and charge the battery around every tenth start.

Your tractor doesn't use very much power while running, it's highest drain is starting, keep the cranking down to a minimun and you should be able to keep running without a charging system. Another thing you might want to make sure of is that you have size 1/0 battery cables throughout (From the battery to the solenoid, solenoid to starter and battery to ground)that way you'll get plenty of juice to spin the starter.

Mike

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What a tight-wad

12-14-2003 21:06:15

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Re: Re: Re: Rebuild a Generator? in reply to Mike , 12-14-2003 20:38:25

Always someone who wants to jury rig everything and never fix things properly.

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Bob

12-12-2003 21:27:14

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Re: Re: Rebuild a Generator? in reply to Earl Wade, 12-12-2003 09:25:41

If you have installed an 8 Volt battery, you need to have the voltage regulator set up to somewhere around 9.5 Volts, because the regulator when set for a 6 Volt battery, will not keep an 8 Volt battery charged, and it will act as you describe, and gradually get weak after a certain number of hours use.

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Mike

12-12-2003 08:58:29

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Re: Rebuild a Generator? in reply to Earl Wade, 12-11-2003 19:31:51

Earl,
You should be able to pick up a set of brushes at any auto store for under $10, usually closer to $5, and looking at the new and old brushes together you can unsally see if the old ones are the problem. If it isn't apparent when you look at them, then take the generator to a shop for a rebuild. Good luck.

Mike

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buck

12-12-2003 08:13:52

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Re: Rebuild a Generator? in reply to Earl Wade, 12-11-2003 19:31:51

Many times a set of brushes will do the trick and for the cost it may be worth a try. The rebuild shop is the way to go and while you are at you may want to ask if your generator can be converted to 12V with ample amperage to keep your battery well charged and run your lights and any other electrical that you may have. This of course requires a new voltage regulator which the shop can supply and changing the ignition system to 12V (true 12V coil and no resistor). Lights can be changed to 12V or the existing 6V wired in series (2-6V=1-12V). Starter remains as is.

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Tom

12-11-2003 21:16:30

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Re: Rebuild a Generator? in reply to Earl Wade, 12-11-2003 19:31:51

Assuming you have a good battery; pull the generator and take it to a rebuild shop. You are sure to have one near you. These shops do nothing except rebuild generators, alternators, water pumps etc. Also have them check your voltage regulator. Also make sure you have a good belt, if old - replace it at the same time.

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TimK

12-12-2003 06:57:24

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Re: Re: Rebuild a Generator? in reply to Tom, 12-11-2003 21:16:30

I agree with Earl. And you can jump it with a 12v. by connecting directly to the starter without going thru the battery. But..... ...usually a complete rebuild of a generater will you just under $100 in my area, I think you may want to consider converting to 12v. , which will solve a lot of future starting problems. There are a lot of conversion kits out there as well as directions on this Board.

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Alvin n Ms.

12-12-2003 07:29:38

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Re: Re: Re: Rebuild a Generator? in reply to TimK, 12-12-2003 06:57:24

Plan on buying a new V/regulator with polorizing instructions, or convert to a Delco Remy alternator with an internal regulator. The last Lucas voltage regulator that I bought ruined a hundred dollar bill. I believe yours was before the Great Britton Lucas junk. Most of the time a generator just needs a set of brushes. Even I can install a set. alvinnms

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