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Allis G

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Jim

05-23-2002 20:07:31

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Looking for a owners manual and a repair manual for a G. Also, are they 6 volt system or 8 volt? The one I just got has a 8 volt battery in it and just need to know if that is what I need. Thanks

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Dan Spencer

06-04-2002 06:38:51

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Re: Allis G in reply to Jim, 05-23-2002 20:07:31

Hi,
I have a G owners manual I'll copy and send to you for $15.00
Just give me a buzz if your interested.
Dan

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Bryan Smith

05-24-2002 13:22:08

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Re: Allis G in reply to Jim, 05-23-2002 20:07:31

6 volt - should be positive ground. the 8 volt battery will make it turn over faster to start and might burn the points a *little* more often, but other than that it's a normal "fix" on 6 volt tractors. Just be aware that your generator/charge system is set for six volts and won't charge the 8 all the way up without some adjustment, which usually means a shorter battery life. (the 8 volt battery is quite a bit more expensive, too!)

I put a normal 6 volt regulator on my 6 volt tractors (NAPA VR63) and replace the light/charge switch with a standard on/off light switch. Keeps the 6 volt battery charged correctly so the battery lasts 4 to 5 years (or more) with only occaissional use. I never could tell when the battery was charged with the old charge/light switch. You do need to keep the starter in good shape with a 6 volt system. If the starter "drags" it will make for hard starting.

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05-24-2002 22:39:46

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Re: Re: Allis G in reply to Bryan Smith, 05-24-2002 13:22:08

Doesn't the G have an adjustable third brush in the generator? If so, you can adjust the voltage to charge the 8v battery.

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Don

05-24-2002 20:01:34

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Re: Re: Allis G in reply to Bryan Smith, 05-24-2002 13:22:08

OK ---Jim,where is and what is the "LIGHT/CHARGE" switch? I just bought a '49
G and I am trying to learn a thing or two about this little tractor... also had a dead 8volt battery in it...I got a new 6v.battery and #2 6v. battery cables today..the battery box was rusted out ,so I removed that ..I am going to make a new holder and use a plastic case (like they use in boats)the battery I bought is 2" longer than the old box.If I am not happy with that,I'll change it over to 12v...
Now back to the "LIGHT/CHARGE" switch ,would you explain this in detail,so I can improve my system .thanks Don -- PS; You experanced "G" ouners out there I have several questions I would like answers too....

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Dave in KY

05-26-2002 07:33:18

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Re: Re: Re: Allis G in reply to Don, 05-24-2002 20:01:34

Check out eBay for manuals. Search for Allis Chalmers and you will get a long list of items for sale. They have lots of reproduced manuals reasonably priced.

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steve

05-25-2002 20:22:40

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Re: Re: Re: Allis G in reply to Don, 05-24-2002 20:01:34

most 6 volt systsems had a small capacity generator and no voltage regulator as such. there was a cutout switch mounted on the generator to "open" the circuit when engine not runnig. The "A" terminal on the generator is the charge terminal to the battery (thru the cutout). the F terminal went to the light switch, which had a big in line resistor. when the lights are off, you go thru the resistor which gives some resistance to the "F" terminal (ground wire) and the generator charges at 3 amps. when the lights are on, the resistor is out of the circuit and the "F" terminal on the gnerator is connected directly to ground and puts out 8 amps current. this is a simple way to have a hi and low charge, without using a voltage regulator.

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Greg Ballantyne

05-25-2002 18:52:28

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Re: Re: Re: Allis G in reply to Don, 05-24-2002 20:01:34

I believe he was speaking in general about six volt systems, not specifically about the G. B's and C's (and possibly CA's, I'm not sure) have the light/charge pull type switch.

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