Good Sam Club Open Roads Forum: Onan 5500 - too much fuel?
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 > Onan 5500 - too much fuel?

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wolfe10

Texas

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Posted: 06/18/18 03:21pm Link  |  Quote  |  Print  |  Notify Moderator

Would be SHOCKED if this is not an "in Carburetor" problem.


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map40

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Posted: 06/19/18 05:06am Link  |  Quote  |  Print  |  Notify Moderator

It was a carburator problem. Installed a new one, but I can't get it to run consistently. It either surges or goes over the RPM and faults (code 14). Any material on how to propperly tune it up? I had to assemble/disasemble every time I had to change the idler screw, and I had to do it like 50 times and the darn thing still doesn't want to run right...


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MrWizard

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Posted: 06/19/18 09:27am Link  |  Quote  |  Print  |  Notify Moderator

Sounds like the Governor/throttle springs are in the wrong position or broken

* This post was edited 06/19/18 09:43am by MrWizard *


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map40

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Posted: 06/19/18 10:37am Link  |  Quote  |  Print  |  Notify Moderator

Already checked, nothing broken, it is just me not knowing how to tune it up. Anybody knows of a guide on how to? When I search for generator tuen up all I get is how to clean it.

Heisenberg

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Posted: 06/19/18 02:24pm Link  |  Quote  |  Print  |  Notify Moderator

Altitude adjustment?


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MrWizard

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Posted: 06/19/18 02:55pm Link  |  Quote  |  Print  |  Notify Moderator

use the model number to search for the "service manual"

that manual gives the trouble shooting and tune up info

map40

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Posted: 06/28/18 11:15am Link  |  Quote  |  Print  |  Notify Moderator

Got it running. Thanks for the info. It is not perfect, but what can you do, it runs OK

map40

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Posted: 07/06/18 11:29am Link  |  Quote  |  Print  |  Notify Moderator

New carb took some time to get dialed in correctly. It was not an easy task, but thanks to a lot of electronic devices I was able to get it running right.
If you ever have to do this, the number one instrument you need is a device to measure the voltage frequency. That was the one that gave me the final setting to get it running.
Thanks for all the help.

Heisenberg

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Posted: 07/06/18 02:17pm Link  |  Quote  |  Print  |  Notify Moderator

The final feedback is appreciated.

roam1

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Posted: 07/08/18 06:55am Link  |  Quote  |  Print  |  Notify Moderator

how did you measure th voltage frequency?

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