Farm Equipment - Battery charge question this time.

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Battery charge question this time.

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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=15347
Printed Date: 04 Feb 2025 at 6:47am
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Topic: Battery charge question this time.

Posted By: Lance/SC
Subject: Battery charge question this time.
Date Posted: 18 Jul 2010 at 8:14am

My CA has the original 6 volt positive ground system. I got to thinking, how do you hook up a charger without taking the cables loose? I don't remember reading that in any of the manuals and don't want to blow up a battery.

Replies:

Posted By: John(IN)
Date Posted: 18 Jul 2010 at 9:15am

Just connect charger + to battery + and neg to neg. Might be best to not set the charger directly on the CA cause some chargers have the case grounded to neg. Also be sure to use a 6v charger.

And as with all 6 volt systems make sure you've got heavy cables and clean tight connections.

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Learn something every day!

Posted By: Brian Jasper co. Ia
Date Posted: 18 Jul 2010 at 9:22am

Just like John says, set the charger on the floor or something other than the tractor, then connect it like you would for a car paying attention to polarity. If you're still positive ground, connect the neg to the battery and the pos to a bolt on the tractor. Whenever I need to charge up my CA, I connect the neg to the post on the starter switch and the pos to the braided cable coming out of the battery box. That way I don't have to open the battery box.

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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford

Posted By: GregLawlerMinn
Date Posted: 18 Jul 2010 at 10:59am

Ruined 3 chargers before I discovered what John recommends. Now either set on the ground, or use heavy gloves to set the charger on. Anyone know how to fix a shorted out charger??

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What this country needs is more unemployed politicians-and lawyers.
Currently have: 1 D14 and a D15S2.
With new owners: 2Bs,9CAs,1WD,2 D12s,5D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC