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Please help you 12V experts

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Sam from Michig

07-28-1999 17:36:54




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Converted my Ford 601 several years ago. Really happy with the results; EXCEPT. Seems that I have extreme corrosion build up on the battery post that require cleaning. There does not seems to be any draw on the battery with ignition off which was the case early on. Any suggestions. Read somewhere to put a copper pennys on top of battery.




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martin yates

07-14-2000 05:42:23




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
Hi,

if the companies on 12Volts can be of help, please contact them and any recommendations of good 12volt product manufacturers/dealers appreciated.

regards

Martin



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Sam from Michigan

07-31-1999 18:51:06




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
Thanks guy for all the good comments. i think I might try a sealed battery if I can get a good fit. The comments about not over filling is great. this may be part of my problem.



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llamas

07-30-1999 03:37:12




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
If you have access to a hot-water pressure washer, this does a great job of cleaning batteries. Obviously, you need to remove it from the tractor, and don't wash it from 6" away.

Make sure the terminals and clamps are clean and bright (you can buy a combination inside-and-out wire brush made just for this for about $3). I've always had good luck with Vaseline, and, as said, forget the felt washers and caps and so forth - all they do is retain moisture and accelerate the corrosion. There are several brands of battery terminal gel or spray sold which cover the terminals and prevent corrosion - they all seem to do a good job. I'm also starting to see bronze terminal clamps for sale in auto-parts stores, and this should help with the dissimilar-metals part of the problem, since the junction between lead and copper is at the post surface and not inside the crimp/clamp connection.

Bottom line, keep the top of the battery clean and dry, don't overfill it, keep the caps tight and the terminals clean and bright, and most of your troubles will go away.

llater,

llamas

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Robert

07-29-1999 19:24:07




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
Wellll, let me throw my 2¢ in on this. I've worked in an auto garage for a long time. Too long in fact. Done lots of battery and electrical work. My opinion; throw away the pennies and felt washers. Seen lots of them come in covered with corrosion. Coating the terminals with grease or similar substance does slow corrosion down, but doesn't stop it. George suggested baking soda and water to clean corrosion; works good. As he said don't get it in the battery and make sure you rinse good with clean water. Water level just above the plates is a good idea. But the thing I see day after day that keeps corrosion to a minimum is a sealed battery. Not just mantainence free. Some mantainence free batteries have removable caps. Sealed batteries such as the ones made by Delco have no caps and cause few problems with corrosion. One other suggestion, check the charging voltage. Should be no higher than say 14.5 to 14.8 with a regular battery. Sealed batteries can go a little higher, 15.5 at most. Overcharging will cause a battery to vent gas and cause corrosion.

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Elvy

07-29-1999 11:56:52




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
A very effective way to decrease battery acid associated corrosion is to NOT fill the cells FULL of water. Adding water to only 1/8" - 1/4" over the top of the plates will greatly decrease the corrosion. You will have to check the electrolyte level more often, but that is a small price to pay for a clean(er) battery.

Another very effective way to reduce corrosion is to CLEAN it periodically by rinsing it with clear water using a bucket or hose without a nozzle. Don't use a hard spray - that splatters corrosive material and liquid all kinds of places that cannot be seen or cleaned properly. While it is wet, brush off the accumulation of dirt/dust from the battery top. This dirt/dust holds liquid leaking from the cell caps and keeps the corrosion reaction going. A stiff bristled, parts washing brush works well. Do NOT use a wire brush. You will be inviting some interesting fire works and possible battery explosion.

Elvy

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Hey busdriver

07-29-1999 13:03:17




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 Re: Re: Please help you 12V experts in reply to Elvy, 07-29-1999 11:56:52  
I agree with Elvy, where I used to work I drove electric forklift, I forget what voltage, but battery experts would come in and tell us to keep the batteries filled to 1/4 above the plates, and to keep them cleaned using only water from a hose to wash them, a brush to scrub any acid , and most important to make sure that the batteries were completely dry before re- installing them back into the forklift. We used an air hose to blow them completely dry, before installing them back into forklift, they claimed if they were not completely dry you would not get proper voltage because it would short across the wet. We had 15 forklifts and all had to be done on a weekly maintance schedule.
Stan

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David (La)

07-29-1999 13:23:52




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 Re: Re: Re: Please help you 12V experts in reply to Hey busdriver, 07-29-1999 13:03:17  
Interesting.



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Bill(NC)

07-29-1999 05:30:15




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
What about the felt washers I see on battery terminals?



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Nolan

07-29-1999 09:45:18




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 Re: Re: Please help you 12V experts in reply to Bill(NC), 07-29-1999 05:30:15  
I've taken them out from under crusty corroded connections quite a few times. In my experience, they work in theory, not in practice.



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Claus

07-29-1999 08:53:21




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 Re: Re: Please help you 12V experts in reply to Bill(NC), 07-29-1999 05:30:15  
I use them. They work good. Not using that greasy kid stuff any more.
Happy Motoring
Claus



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Nolan

07-29-1999 03:22:50




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
Vaseline slathered on the connection does very nicely at stopping corrosion. If you don't like the mess, the red spray stuff is neater. Reapply any time you open the connection, or use jumpers.



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ZANE

07-28-1999 18:45:41




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
If you will put a few drops of motor oil on the battery posts from time to time you will never have any corrosion on the battery posts and the battery tray etc. will not corrode either.
I have been in the equipment maintnance business since 1950 and I can assure you that it is the very best way to prevent the corrosion.



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George

07-28-1999 18:21:03




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 Re: Please help you 12V experts in reply to Sam from Michigan, 07-28-1999 17:36:54  
you can place pennys on battery but terminals will still corrode. "penny acts as a sacrifical anode". Corrision is caused by two dissimular metals being together ie copper wire and lead terminal. The best way to SLOW this down is to occlude the air to terminal via the application of either a battery corrison spray or simply cover them with a light coat of grease. Clean terminal first in a soultion of baking soda and water"mix not critical about 5 tablespoons in 3 cups of water soak terminal unitl foaming stops "BE CAREFUL DON"T GET THE SOULUTION IN BATTERY" it will ruin it. this needs to be done about once every 4 to six months for trouble free operation.

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