Go Bottombx2200 charging problem
 | cthonestguy
Join Date: Jun 2004 Posts: 267 northeast 
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2004-07-14 90903
Hi guys....I went to fire up my bx2200 tonight and it barely turned over and started. I threw the volt guage on it and it was under 12 volts- around 11.8. When I put the lights on it dropped even more. I shut it down and then it wouldn't start, just one turn and clllliiiiccckkkkk. I put the jumper box on it and it started. I charged the battery for a few minutes and tried it and it started but still under 12 V. Am I safe to assume it's time to spend the $169 at tractor smart and buy an alternator? I kind of ruled out a bad cell in the battery seeing it took a charge and will start it with the jumper box. Is there anything else on these that would prevent it from charging? As a side note- I used it yesterday and went to the firehouse to do some clean up down the street. I had the flashers and headlights on when I came home. I could very well not have been charging for a while and this drained it down. Thanks for anyone's suggestions...Jim
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2004-07-15 90937
I'd clean all terminals including the chassis end of the ground cable. Give the battery a standard charge and then a 24-hous trickle charge. Then I'd measure the battery capacity of each cell with a hydrometer. If the battery test OK, I'd measure voltage at the battery while the tractor is running above a slow idle rpm. On most systems that voltage should be 14 - 15 volts. If it's low the charge rate is slow and the alternator or regulator is likely the problem. There are more formal tests described in repair manuals to determine specific problems.
You also may want to measure the battery back-drain. With the tractor off, place a amp meter between the ground terminal and cable. I think anything up to around 50ma is fairly normal. A tractor with a marginal charge rate and some back-drain that isn't used much and may be used for short runs using the lights may not charge the battery adequately. Using partially a charged battery shortens its life. ....
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| cthonestguy
Join Date: Jun 2004 Posts: 267 northeast
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2004-07-15 90946
Thanks for the reply, I charged the battery and it holds a charge just fine and seems to be very strong. All the terminals are clean and the tractor is only a few (3) years old so they weren't bad. It just isn't putting any charge out. I am going to assume the regulator is inside the alternator and will try with this first. ....
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 | psimonson
Join Date: Jul 2003 Posts: 57 Northeastern Tennessee
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2004-07-15 90971
One thing you didn't mention was the condition of the fan belt. Be sure it is tight and not worn on the sides. The extra load from driving with lights on could have caused the belt to slip, drastically reducing the alternator's output without a noticeable squeal.
If it is the alternator, try to find a local rebuilder first. There's a good chance they'd be able to get the right internal parts and usually charge a lot less based on the actual problem with your unit.
....
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Add Photobx2200 charging problem
| cthonestguy
Join Date: Jun 2004 Posts: 267 northeast
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2004-07-15 90987
The machine is only showing 200 hours and the belt looks new and is tight. No noises. There is an equipment repair shop in town and I asked him about it and he said if the light bulb on the indicator panel is burnt out that could cause it not to charge. He said it acts as a "resister" on some of the kubota's?? I am stuck at work and dying to find out if this is it. The owner's manual says if it's NOT charging properly the indicatioor light will come on. Well....it's not charging properly and the indicator light is NOT on so I bet there is a god shot it's a 99 cent bulb and not a $200 alternator. I'll post the results. ....
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