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Farmall & IHC Tractors Discussion Forum
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O.K., DUMB QUESTIONS!

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Tyrone

10-01-2005 22:04:56




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On a generator type charging system, should the generator be charging all the time or should it stop charging once in a while. Mine charges all the time. Also, and this I am just curious on, was there some advantage for IH to go to the six cylinder engine? My M has a bigger engine than my 460, but two less cylinders. Then they seemed to go back to the four cylinder engines, such as the 504 and 574. Just wondering. Thanks!

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CNKS

10-02-2005 10:53:22




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 Re: O.K., DUMB QUESTIONS! in reply to Tyrone, 10-01-2005 22:04:56  
What RustyFarmall says--Late 50's early 60's most manufacturers were putting 6 cylinder engines in their "larger" tractors, 4 cylinder in the smaller ones. Exception is Oliver, which had 6's earlier than most manufacturers. JD went to 4 and 6 cylinder engines (from 2 cylinder) at the same time. I believe the 460 was the smallest post 1939 IH tractor to have a 6. But, some of the 1930's IH tractors had 6's.

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old

10-02-2005 07:42:14




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 Re: O.K., DUMB QUESTIONS! in reply to Tyrone, 10-01-2005 22:04:56  
Well if its a battery ignition system yes it should charge a little all the time because your takeing power from the battery all the time so it has to keep putting power back in. Works the same way on a car or truck also.



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K-Mo

10-02-2005 06:15:27




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 Re: O.K., DUMB QUESTIONS! in reply to Tyrone, 10-01-2005 22:04:56  
If you are concerned about over charging, connect a digital voltmeter to the battery. With the tractor running at full rpm, generally the voltage should not exceed 7.5 for 6 volt systems or 15 for 12 volt.
After you start your tractor, you need to run it long enough for the charging system to replace the power it took from the battery to start the tractor. After I have restarted my tractor several times for odd jobs, I put an automatic charger on it and get a full charge on the battery. I usually get 5-6 years out of a battery. Batteries like to be discharged and recharged, but if you let a discharged battery set it will "sulfate" and the battery will fail to accept a recharge.

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RustyFarmall

10-02-2005 04:39:31




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 Re: O.K., DUMB QUESTIONS! in reply to Tyrone, 10-01-2005 22:04:56  
Your M has a bigger engine because it is a bigger tractor than the 460. The lineage is like this. Farmall H, super H, 300, 350, 460. Farmall M, super M, super MTA, 400, 450, 560. The 504 is a descendent of the Farmall A, B, and C.



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MN Scott

10-02-2005 06:41:19




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 Re: O.K., DUMB QUESTIONS! in reply to RustyFarmall, 10-02-2005 04:39:31  
The 504 is an odd ball. It basically has a H rear end and a high speed C like motor. Much heavier built than a A B C.



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Dave BN

10-02-2005 04:23:58




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 Re: O.K., DUMB QUESTIONS! in reply to Tyrone, 10-01-2005 22:04:56  
My AMP meter shows some charge most of the time unless the engine is idling. Dave.



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El Toro

10-02-2005 03:58:35




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 Re: O.K., DUMB QUESTIONS! in reply to Tyrone, 10-01-2005 22:04:56  
Are you adding a lot of water to your battery? If not, I don't think you're overcharging the battery unless your battery is needing replacement
and won't hold a charge. Hal



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Janicholson

10-02-2005 07:14:05




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 Re: O.K., DUMB QUESTIONS! in reply to El Toro, 10-02-2005 03:58:35  
I love digital volt meters. Some of them are perfection (FLUKE,Tripplett, brands, and others) Some however do poorly on generator systems because they take samples that are averaged, these samples may be detecting millisecond spikes from the vibrating contacts in the VR, and the generator commutator/brushes light arcing. This results in readout variation over a wide range, the numbers keep changing. An accurate analog gauge may serve better (I check my analog meter by comparing it to a digital meter on the battery when shut off).

6.8 to 7.2 on six volt systems 14.2-14.6 on 12v. should do it. The amp meters on alternator equipped tractors are often upgraded to 60 amp capability, or more. These show less needle deflection on a fully charged battery than the older 20 or thirty amp meters. Alternators, and their electronic voltage regulators, are also better at fine tuning the charge rate when the battery is full.
As stated, if the battery needs water all the time, it may be overcharging. If the needle shows 10 amps or more charge rate after a half hour of operation and the voltage is correct the battery may be on its way out.
Good luck with it,
JimN

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El Toro

10-02-2005 08:57:51




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 Re: O.K., DUMB QUESTIONS! in reply to Janicholson, 10-02-2005 07:14:05  
Hi Jim, It wasn't my battery. Hal



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