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onan help needed 6000 model [message #282200]

Wed, 15 July 2015 18:33

chasingsummer

Messages: 434
Registered: May 2011
Location: asheboro, nc

Karma: 0

Senior Member

I am not reading 12 v going to starter when holding start button.
following the troubleshooting in manual, there is no fuel comming out of pump when turning over motor.pump output hose in my hand.
troubleshooting step 5b says jumper terminals 9 to terminal 11 and see if will start.
jumper wire gets very hot when i jump these 2 terminals. so hot i could not hold it, so I did not try starting when jumper was on. one of these has 12 volts to ground when sitting, other one does not. Cant remember for sure which one had the voltage, I think terminal 11.
Do i need a larger jumper wire?
level ground, oil level is at full per dip stick
Gas is being fed from small gas can, pick up hose is approx 16 inches long.
All input is appreciated,
thanks
bgk

brian asheboro, nc 75 eleganza, 74 build 119k miles and counting, DOG HOUSE

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Re: onan help needed 6000 model [message #282202 is a reply to message #282200]

Wed, 15 July 2015 19:44

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

Pin 11 is battery voltage and pin 9 is ignition power. Jumpering 11 to 9 supplies power to the ignition coil, fuel pump relay and fuel solenoid (if it has one). There could be 3-4 amps through your jumper without the engine running. If you have just little electronic jumper wires, they can get hot because of the small wire size. But you should hear the fuel relay pull in and the fuel pump start running as soon as you hook up the jumper.
If you don't hear the fuel pump run, troubleshoot that first.
I got one running doing the same thing at the Heritage Cruisers rally last week. It was just the fuse holder clips were badly corroded.

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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Re: onan update [message #282203 is a reply to message #282200]

Wed, 15 July 2015 19:44

chasingsummer

Messages: 434
Registered: May 2011
Location: asheboro, nc

Karma: 0

Senior Member

with a jumper between terminals 6 and 9, generator started after a few minutes . runs at a steady speed, maybe slightly faster than it needs, but not way bad. based on meter plugged in at kitchen outlet, it is slightly high voltage with no load. but steady, not surging or anything. this is after approx 15 minutes running, extended out off of gass can. I will have to restart after i get home tomorrow. I wish for it to run for atleast an hour since last use it ran approx half hour and stalled out and would not restart.
What am I bypassing with my jumper between 6 and 9?
all input reference to decreasing idle speed slightly,and lowering voltage output is appreciated.
thanks to all
bgk

brian asheboro, nc 75 eleganza, 74 build 119k miles and counting, DOG HOUSE

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Re: onan help needed 6000 model [message #282208 is a reply to message #282200]

Wed, 15 July 2015 20:20

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma: 3

Senior Member

Pin 6 supplies power to the remote switch hour meter and running lights. A set of contacts in relay K3 should provide this circuit. You could have an issue with K3 contacts, or the low oil pressure circuit preventing K3 from closing, or the resistor in series with the K3 coil.

The engine speed should be set for the generator line frequency (~60Hz), not to adjust the output voltage.

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Re: onan help needed 6000 model [message #282211 is a reply to message #282200]

Wed, 15 July 2015 21:50

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

You simply adjust engine speed by the tension of the threaded rod on the governor spring. Board has nothing to do with engine speed or voltage. Most go for about 125-127V no load. This puts you at about 1800 RPM and 60HZ if compounding reactor is ok.

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: [GMCnet] onan update [message #282223 is a reply to message #282203]

Thu, 16 July 2015 04:38

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

Read here
http://www.gmcws.org/Tech/dsimmons/onan/onan.html

On Wednesday, July 15, 2015, brian wrote:

> with a jumper between terminals 6 and 9, generator started after a few
> minutes . runs at a steady speed, maybe slightly faster than it needs, but
> not
> way bad. based on meter plugged in at kitchen outlet, it is slightly high
> voltage with no load. but steady, not surging or anything. this is after
> approx 15 minutes running, extended out off of gass can. I will have to
> restart after i get home tomorrow. I wish for it to run for atleast an hour
> since last use it ran approx half hour and stalled out and would not
> restart.
> What am I bypassing with my jumper between 6 and 9?
> all input reference to decreasing idle speed slightly,and lowering voltage
> output is appreciated.
> thanks to all
> bgk
> --
> brian
> asheboro, nc
> 75 eleganza, 74 build
> 119k miles and counting,
> DOG HOUSE
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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