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Battery?

A

Anonymous-0

Well-known Member
I have 2 batteries in my skid steer. They hold a charge but don't spin it over as fast as they should. Even with the batteries charged, it spins over faster if I boost it. I'm guessing it's time for new batteries? Dave
 
Pull the batteries and have em tested, may not be the problem but it's a good starting point. If the batteries test good then check the cables and have the starter bench tested.
 
What voltage do you get from the batteries? What make and model are the batteres? How old?
I'd be more inclined to think that there's a problem with the starter or cables rather than the batteries because most jap engines will fly over on ONE Gr 31 battery. So unless you've got a pair of small, aged Exide batteries in there... they're probably OK.
If you've got better than 12.7V on each battery then they should be OK... but a load test wouldn't hurt.

Rod
 
Put a volt meter across the batteries and watch the voltage when you hit the starter button. If they drop from 12.5 to 10 volts and lower they are either half charged or sulfated. The voltmeter will also show you the charging voltage which should be about 14.1 at start up and will drop back to 13.5 as the battery becomes charged. The best test is get a hydrometer and look at the specific gravity of the acid of the battery. Have had batteries that have set and were in the low green and have put a 24 hr 10 amp charge on them and brought them back up to the 1250 mark and had no troubles with them. Bob Ohio
 
Have you cleaned the terminals? Your booster cables contact the battery clamp and pass juice to the starter, dirty terminals can cause low voltage out of the batterys.
Don from Canada
 
A 12 volt system is designed to have the starter crank at 9 to 10 volts when the batteries are good and sized properly. That is the normal range. Check the voltage when cranking. If it drops below 9 volts, you've either got battery or starter problems.
 
No, dropping to 10 volts is normal and what is supposed to happen with good batteries. 12 volt starters are designed to crank a 9-10 volts, not 12.
 
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