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Home » Public Forums » GMCnet » [GMCnet] I give up. (Onan)
Re: [GMCnet] I give up. (Onan) [message #188206 is a reply to message #188177] Thu, 25 October 2012 11:10 Go to previous messageGo to previous message
mike miller   United States
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma:
Senior Member
Robin Hood wrote on Thu, 25 October 2012 05:26

Why would the pump slow all the way to a stop? I mean, is there some
sort of sensor or logic in there that somehow lets the pump know "Hey,
the bowl is full and the float is blocking any more fuel coming in,
you can stop trying so hard now, okay?" ...


I do not know about the non-Onan pump that you now have. It might be different than the "real" Onan pumps on all three of mine and the dozen or so I have worked on.

BUT....

Onan type fuel pumps will make the clicking sound until the line and float bowl are full and the valve closes. Then it builds pressure in the line, slowing the pumping action. Eventually the pressure is to much for the pump and it stops. This happens when I press the added "prime" button or jump the board.

As your pump never even changes pitch or tempo I do not believe it is pumping anything. I might be wrong, but YOUR Onan doesn't run... mine does. Twisted Evil



Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo' http://m000035.blogspot.com
 
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