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Case Tractors Discussion Forum
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Case 530 charging system killing the battery.

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[email protected]

07-23-2007 14:05:53




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I have a Case 530 that does not charge the battery. Can anyone advise on some basic troubleshooting steps to isolate where the problem is? I get lots of power when the engine is running, lights work. It runs if I give it a boost to start it, but after that the battery never charges. Any suggestions are appreciated.




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Mikeleone

09-18-2007 11:41:03




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-23-2007 14:05:53  
I'm not a tractor expert (yet), but in the old car world the 13.5v tells me that the alternator and voltage regulator are working fine. Are you sure the battery isn't the problem? Maybe a weak ground lets through enough voltage to get a reading on the meter, but not enough amps to charge the battry ?

I am having the same issue with my new (old) 530 and am putting a new battery in it this weekend.

Please let me know what you find, I might have the same issue.

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[email protected]

07-24-2007 17:33:16




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-23-2007 14:05:53  
Voltage measured at the battery terminals with the engine off is 10 volts, battery is run down...
Voltage at the battery with the engine running is 13.5 volts. Anyone know of any other simple tests to try? One headlight still works, the other is blown. Voltage holds with the lights on, with a minor drop in voltage.



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Patrick Tercho

07-25-2007 14:19:26




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-24-2007 17:33:16  
Sounds like the cut-out relay is sticking on in the voltage regulator. When you turn the key off the current going backwards through the cut-out relay coil should force its contacts open disconnecting the generator from the battery when you turn the key off. A new regulator would be a good bet, but you should check the wiring out with a good schematic to make sure someone didn't make "improvements" causing some headaches also. Wiring diagram should be in the owner's manual, try YT for a copy. Good luck!

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comfortking

07-23-2007 21:31:00




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-23-2007 14:05:53  
If this tractor has a generator check and see if it feels hotter than normal after you shut it off. It might be thse voltage reg. is sticking and causing the drain on the battery, if you have lights and it runs the charging system is working.



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[email protected]

07-24-2007 03:26:48




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 Re: Case 530 charging system killing the battery. in reply to comfortking, 07-23-2007 21:31:00  
Thank you to all for the replies. Will see about getting a replacement voltage regulator and see if that helps. Again, If anyone has any wiring diagrams that would allow me to verify things are hooked up right, please let me know.
Thanks to all..



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[email protected]

07-23-2007 20:15:19




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-23-2007 14:05:53  
My knowledge of tractors is limited. I inherited this beauty and can't tear myself away from it. A very magical machine:)

The battery is installed with negative ground, 12V. When I boost it, I connect positive to positive and it starts right up. I want to test to determine what is working and what isn't. Anyone know of some simple tests that will help isolate the problem?



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Phil (NJ.Az.Sask)

07-24-2007 03:32:13




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-23-2007 20:15:19  
My 530CK Diesel is Negative Ground (yours Right)
and a class A Generator (full field = Ground)

The Regulator is Mounted on a bracket and that bracket has "one" Bolt mounting the assembly to the Adapter Plate frame. That Bolt provides the Ground and "Must" be very tight.

JMHO



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JH

07-23-2007 15:55:56




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 Re: Case 530 charging system killing the battery. in reply to [email protected], 07-23-2007 14:05:53  
Is it 12 volr or 6 volt if its 6 volt might want to vheck the voltage reglator , or amps in the gen, if its 12 volt needs to be charging above 135 to keep a battery charged up



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JGarner

07-23-2007 18:20:11




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 Re: Case 530 charging system killing the battery. in reply to JH, 07-23-2007 15:55:56  
Do you have the battery hooked up right? The 530 is a positive ground. If it is hooked up as negative ground to the factory generator I believe it will drain a charged battery and fail to charge a dead one.



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