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Home » Public Forums » GMCnet » [GMCnet] I give up. (Onan)
Re: [GMCnet] I give up. (Onan) [message #188255 is a reply to message #188241] Thu, 25 October 2012 18:54 Go to previous messageGo to previous message
Robin Hood is currently offline  Robin Hood   United States
Messages: 1078
Registered: April 2011
Karma:
Senior Member
OK, I got home and tried the various tests.

http://youtu.be/InZn4C-ZHj4

Summary: Pump is pumping, wife is aggravated about me getting gasoline
everywhere. I managed not to catch myself on fire. Blowing into the
fuel inlet with the bowl on won't work, but with the bowl off, I could
force air (and gasoline!) through. More spillage. With the bowl on,
not much gas goes into the bowl. I want to mail this thing (the carb)
to somebody who knows how these things are supposed to be set up and
what's proper vs seriously out of whack.

On Thu, Oct 25, 2012 at 5:26 PM, Matt Colie <matt7323tze@gmail.com> wrote:
>
>
> Robin Hood wrote on Thu, 25 October 2012 12:23
>> Excellent tests, I'll try them when I get home. It will certainly be embarassing if my problem was that end of the fuel line in the gas tank isn't submerged. The lack of change in pitch or tempo of the new pump is worrisome; on my Pontiac I can hear the difference when the fuel hits the little electric pump I installed when the mechanical gave up the ghost. In Duane's video, the same thing happens when the fuel hits the Onan pump.
>> --
>> Robin Hood
>
> Robin,
>
> I finally had time to get to your video, and you had a question about the two wires that connect to the voltage regulator.
> First, if you are running from a battery that is not part of a coach, you want that to work, you need it to keep the battery up so the ignition and fuel pump stay working while you are trying to run the generator.
> The connections are simple as only one goes to the battery. That is the terminal labeled B+. It actually goes to terminal 5 on the control board. The other wire maybe found to go to a dual connector on terminal 8 on the control board.
>
> When the unit is in a 26 and is run from the house bank, you don't need this regulator and it is best disconnected if you have a modern converter as they will fight each other.
>
> And, yes, it sure sounds like the pump isn't pumping fuel.
>
> Matt
> --
> Matt & Mary Colie
> '73 Glacier 23 Chaumière (say show-me-air) Just about as stock as you will find
> SE Michigan - Twixt A2 and Detroit
> _______________________________________________
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--
Robin Hood
Jackson, MS
2003 Buick Lesabre
1968 Pontiac Catalina
1978 GMC Royale motorhome
1977 GMC Palm Beach motorhome
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