Posted by cfk on April 09, 2023 at 18:33:57 from (173.215.62.201):
I have a 4020 with the 24v battery system and I have several questions.. just trying to understand a little better, and the do's and don'ts (charging specifically).
The left (drivers side) battery is + --> right -, and - to the starter. Right battery has its positive going to the starter.
1) It's my understanding that if I have a 12v charger, I can just hook it up to the battery, as I would any battery. + to +, - to -. No need to disconnect the cables at all. Is that correct?
2) The tractor started fine after sitting in the cold shed all winter, but I put a trickle charger on the left battery the night before last and let it charge all night, and when I went to start it yesterday, it wouldn't turn over at all.
3) Jumping.. When the tractor was dead, I hooked a charger up to the right battery (figuring the left battery was full from the trickle charger all night) and it didn't help. As soon as I hooked it up to the left battery, it started right up.
4) The tractor ran it for probably 3-4 hours yesterday, and cranking over today was still very weak.. is that normal?
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