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Alternator Problems

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algrajek

Joined: 10 Jan 2006
Posts: 41
Location: Lexington, Ky

Posted: Mon Jan 28, 2008 8:18 am Post subject: Alternator Problems

I have a B&C 60 Amp alternator and a B&C Voltage regulator. Lately on 3 occasions, while out flying, after about 20 minutes, my alternator stops putting out( Amps go to zero, and volts start dropping). Upon landing and charging battery(to Make it home). All works well. Also notice that the volts, while cruising, while the alternator is on line, vary from 13.5to 14.9 . I have checked all the wiring and it SEEMS fine. Do I have a voltage regulator problem???

Thanks 

Al Grajek

RV8

859-361-9460

algrajek(at)msn.com

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_________________
just rv8in

nuckolls.bob(at)cox.net
Guest

Posted: Tue Jan 29, 2008 4:32 am Post subject: Alternator Problems

At 08:18 AM 1/28/2008 -0800, you wrote:



 	  Quote: 	
		  



I have a B&C 60 Amp alternator and a B&C Voltage regulator. Lately on 3 

occasions, while out flying, after about 20 minutes, my alternator stops 

putting out( Amps go to zero, and volts start dropping). Upon landing and 

charging battery(to Make it home). All works well. Also notice that the 

volts, while cruising, while the alternator is on line, vary from 13.5to 

14.9 . I have checked all the wiring and it SEEMS fine. Do I have a 

voltage regulator problem???


	


   Note 8 in Appendix Z describes a troubleshooting

   technique that will help you isolate the problem to

   wiring, alternator or regulator. You want to know

   exactly where the problem is before you remove anything

   from the airplane.



   Bob . . .

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