Home » Public Forums » GMCnet » OK, next Onan question
Re: [GMCnet] OK, next Onan question [message #322986 is a reply to message #322984] |
Wed, 30 August 2017 10:24 |
james Ernst
Messages: 79 Registered: December 2013 Location: Lincoln, NE
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Thanks do much Emery I'll working on it in a little bit here and I'll let
you know what I find.
Jim
On Aug 30, 2017 9:17 AM, "Emery Stora" wrote:
> There is a possibility that its a bad breaker on the top of the Onan or
> perhaps a bad bridge rectifier.
>
> First make sure that the cord from the Onan is plugged into the
> receptacle..
>
> Take the cover off the breaker box at the top of the Onan.
> Use a voltmeter (VOM). 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.
> If there is 120 volts there then check the right side of the breaker. If
> there is voltage there then the problem is in the wires going to your
> inside breaker box or a bad connection in the box or a bad breaker in that
> box.
> If there is no voltage there reset the Onan breaker. If still no voltage
> then that breaker is bad.
>
> Let us know what you find and we’ll offer more suggestions.
> connection
> Emery Stora
> 77 Kingsley
> Frederick, CO
>
>> On Aug 30, 2017, at 9:00 AM, james Ernst wrote:
>>
>> Good morning all,
>> If I may,I would like to ask an Onan on this thread. I fired up the
>> Onan and started one of the A/C units all is good running fine. About 5
>> minutes later started the 2nd unit everything is purring right along as
> it
>> should.
>>
>> I left and went to pick up grand kids from school and another errand,
> gone
>> about an hour total. Got home Onan running fine. I thought man it's going
>> to me nice and cool in here. Nope it was hot and no A/C unit was running.
>> Ah s***t I said. Turns out no 120V at all. Checked breaker box etc.
>> Nada. Looked at reset button the Onan, ok. Got out service manual,
> looked
>> at possible causes. Where do I start first with this now?
>>
>> Big thanks in advance,
>>
>> Jim Ernst
>> 77 Palm Beach
>> Columbus, NE
>> Currently on location
>> In Colorado Springs area.
>>
>> On Aug 30, 2017 1:34 AM, "Ken Burton" wrote:
>>
>> I am still working on this generator from hell. I thought and still
> think
>> that I still have all of the wiring corrected. Now I am fighting a
> blown 5
>> amp fuse after starting. It does it almost every time. I finally
>> installed a temporary circuit breaker to keep from going through fuses.
> I
>> think I
>> have traced it down to the fuel pump. A Fluke amp probe show a stead 3.1
>> amps going to the board with an occasional very brief jump to slightly
> over
>> 5 amps. I will try a replacement aviation Facet or Bendix fuel pump
>> tomorrow. If it were voltage spikes I could see it on an oscilloscope
> but I
>> do
>> not have am amp probe for it.
>>
>> The second bug is still the up to speed circuit. I had it working for a
>> while and not it start and stops again. I finally checked the output of
> the
>> alternator and it is a steady 24 VAC. It should be 28 to 30 or 31.
>> Tomorrow I'll probably remove the flywheel and inspect the coils and
> inside
>> flywheel for dirt and rust. I can see no way to bring up the voltage
> other
>> than that. It reads 24 VAC (NOT 28) when plugged into the board or
>> disconnected from the board.
>>
>> My final shot might be to jumper out the resistor in series wit K2. I do
>> not remember the value of that item on a dinosaur board but I though
> George
>> Z's resistor read something like 22 or 44 ohms. On the genuine Onan
> board
>> that resistor is 200 ohms.
>> --
>> Ken Burton - N9KB
>> 76 Palm Beach
>> Hebron, Indiana
>>
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OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
By: Kosier on Sun, 27 August 2017 16:35
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Re: [GMCnet] OK, next Onan question
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Re: OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
By: USAussie on Sun, 27 August 2017 16:12
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Re: [GMCnet] OK, next Onan question
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Re: OK, next Onan question
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Re: OK, next Onan question
By: JohnL455 on Sun, 27 August 2017 22:10
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Re: OK, next Onan question
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Re: OK, next Onan question
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Re: OK, next Onan question
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Re: OK, next Onan question
By: Krfjkm on Fri, 08 September 2017 23:41
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Re: OK, next Onan question
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Re: OK, next Onan question
By: mghamms on Sat, 09 September 2017 12:52
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Re: [GMCnet] OK, next Onan question
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Re: [GMCnet] OK, next Onan question
By: mghamms on Sat, 09 September 2017 17:01
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