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Re: [GMCnet] OK, next Onan question [message #322988 is a reply to message #322984]

Wed, 30 August 2017 11:21

Jim Miller

Messages: 501
Registered: March 2008

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Senior Member

On Aug 30, 2017, at 11:16 AM, Emery Stora wrote:

> Start the Onan and check the AC voltage from the left side of the breaker to ground. If there is no voltage there its probably the bridge rectifier.

An Onan that has recently generated 120V will have enough permanent magnetic field remaining in the iron to generate a few volts even if the bridge or the other parts of the excitation circuit are bad. If a few volts are present then that is a good sign that the armature and brushes are OK and they can be ruled out as the source of the problem and further troubleshooting can concentrate on the bridge and the excitation circuit. Do the tests that Emery has described and let us know the results.

—Jim

Jim Miller
1977 Eleganza
1977 Royale
Hamilton, OH

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Jim Miller 1977 Eleganza II 1977 Royale Hamilton, OH

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[Message index]

		OK, next Onan question By: Ken Burton on Sun, 27 August 2017 01:42
		Re: [GMCnet] OK, next Onan question By: Mr ERFisher on Sun, 27 August 2017 08:16
		Re: [GMCnet] OK, next Onan question By: William Shourt on Sun, 27 August 2017 10:02
		Re: [GMCnet] OK, next Onan question By: Matt Colie on Sun, 27 August 2017 11:35
		Re: [GMCnet] OK, next Onan question By: james Ernst on Wed, 30 August 2017 10:00
		Re: [GMCnet] OK, next Onan question By: Emery Stora on Wed, 30 August 2017 10:16
		Re: [GMCnet] OK, next Onan question By: james Ernst on Wed, 30 August 2017 10:24
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Wed, 30 August 2017 11:21
		Re: [GMCnet] OK, next Onan question By: Ken Burton on Wed, 30 August 2017 11:38
		Re: [GMCnet] OK, next Onan question By: james Ernst on Wed, 30 August 2017 12:06
		Re: [GMCnet] OK, next Onan question By: Matt Colie on Wed, 30 August 2017 15:21
		Re: [GMCnet] OK, next Onan question By: james Ernst on Wed, 30 August 2017 17:05
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Wed, 30 August 2017 21:02
		Re: [GMCnet] OK, next Onan question By: james Ernst on Thu, 07 September 2017 09:19
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Thu, 07 September 2017 20:17
		Re: [GMCnet] OK, next Onan question By: james Ernst on Fri, 08 September 2017 10:31
		Re: [GMCnet] OK, next Onan question By: Matt Colie on Fri, 08 September 2017 12:14
		Re: [GMCnet] OK, next Onan question By: james Ernst on Fri, 08 September 2017 18:03
		Re: [GMCnet] OK, next Onan question By: Matt Colie on Fri, 08 September 2017 20:15
		Re: OK, next Onan question By: Matt Colie on Sun, 27 August 2017 11:42
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Sun, 27 August 2017 13:15
		Re: [GMCnet] OK, next Onan question By: Ken Burton on Sun, 27 August 2017 22:27
		Re: OK, next Onan question By: RoadWarrior on Sun, 27 August 2017 12:29
		Re: [GMCnet] OK, next Onan question By: Emery Stora on Sun, 27 August 2017 12:46
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Sun, 27 August 2017 13:20
		Re: [GMCnet] OK, next Onan question By: emerystora on Sun, 27 August 2017 14:29
		Re: [GMCnet] OK, next Onan question By: emerystora on Sun, 27 August 2017 14:27
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Sun, 27 August 2017 15:03
		Re: [GMCnet] OK, next Onan question By: Kosier on Sun, 27 August 2017 16:35
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Sun, 27 August 2017 17:30
		Re: OK, next Onan question By: lqqkatjon on Sun, 27 August 2017 15:32
		Re: [GMCnet] OK, next Onan question By: Mr ERFisher on Sun, 27 August 2017 15:50
		Re: [GMCnet] OK, next Onan question By: emerystora on Sun, 27 August 2017 16:06
		Re: [GMCnet] OK, next Onan question By: USAussie on Sun, 27 August 2017 16:12
		Re: [GMCnet] OK, next Onan question By: Mr ERFisher on Sun, 27 August 2017 16:45
		Re: OK, next Onan question By: Ken Burton on Sun, 27 August 2017 22:53
		Re: OK, next Onan question By: JohnL455 on Sun, 27 August 2017 22:10
		Re: OK, next Onan question By: Ken Burton on Wed, 30 August 2017 02:33
		Re: OK, next Onan question By: Ken Burton on Wed, 30 August 2017 22:34
		Re: OK, next Onan question By: Ken Burton on Fri, 01 September 2017 03:54
		Re: OK, next Onan question By: Krfjkm on Fri, 08 September 2017 23:41
		Re: OK, next Onan question By: Ken Burton on Sat, 09 September 2017 01:41
		Re: OK, next Onan question By: mghamms on Sat, 09 September 2017 12:52
		Re: [GMCnet] OK, next Onan question By: Jim Miller on Sat, 09 September 2017 13:31
		Re: [GMCnet] OK, next Onan question By: mghamms on Sat, 09 September 2017 17:01

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