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Harry Ferguson Tractors Discussion Forum
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TO-35 Battery not charging, I think...

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Matt

03-14-2004 06:19:54




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TO-35 with a 12 volt system.

Has been running real well all winter.

Last week my truck battery was dead, so I tried to use the tractor to jump it (convience -- they were sitting next to one another). Never did get it to turnover the truck, so I had to haul and extension cord & battery charger across the driveway.

Went to use the tractor the next day, *real* slow to turnover, never fired (like a dead batter)...had to jump start the tractor. Moved it over to the garage, hooked it up to the battery charger for 45 minutes @ 10 amps, would turnover just fine. Once I fixed a fuel problem, she fired right up.

Worked with it for 40 minutes, shut off, went to restart, dead battery again.

I popped the top of the battery today, and I see water up near the top of all the holes.

I'm *thinking* that since she stays running indefinetly (used her for another 90 minutes after the second jump start), the alternator is good -- it was rebuilt last fall when I bought the tractor. So I'm thinking something in the charging system ain't working, and I'm wondering if I "overloaded" it trying to jump my pickup. Problem is I've never debugged a charging system before, so what would I be looking for or could test to say, "Yep, got power here, don't got power here, therefore this gizmo is bad."

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Justin-PA

03-15-2004 07:30:23




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 Re: TO-35 Battery not charging, I think... in reply to Matt, 03-14-2004 06:19:54  
Besides cleaning the connections as Cosmo says, take a real close look at your cables. IF they are old they may not allow enough currwent to pass through. Get yourself a voltmeter, check battery voltage while its running. Should see 12.5 or more volts even with lights on. Then check again after it is shut down. Should have 12 volts. If it's less than 12, and you had plenty of volts while running, its probably the battery.

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Cosmo

03-14-2004 07:30:52




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 Re: TO-35 Battery not charging, I think... in reply to Matt, 03-14-2004 06:19:54  
First off, have you checked all connections from the battery? Make sure the battery terminals are clean and shiny. A little sand paper or in a pinch I have scraped them with a pocket knife. As some one said on one of these forums "clean and bright-nice and tight."



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