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Re: [GMCnet] Onan - Vapor Lock? [message #179096 is a reply to message #179089]

Sun, 05 August 2012 16:03

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma:

Senior Member

Robert Mueller wrote on Sun, 05 August 2012 15:15

G'day,

Yesterday Marc and I checked the Onan fuel pump outlet pressure and it was 3 psi when the Onan was cold.

Today we fired it up, turned on both A/C's, water heater, PD converter / battery charger, and all the lights.

The Onan ran for awhile quite nicely but then stumbled once or twice then shut down completely.

We quickly disconnected the fuel line to the carb and cranked it over - 0 psi. We disconnected the fuel line to the tank, nothing came out and I couldn't see any fuel in the line. When I tried to suck some through I could feel resistance which told me that there was fuel in the line to the tank.

I'm going to order a new pump and install it.

It is interesting that this occured as the OAT is currently 81�. I was able to keep my fingers on the fuel pump so it isn't at the 180� spec.

Oh yeah, BOTH tanks are FULL!

Do not throw away the old pump

Ken B.

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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[Message index]

		[GMCnet] Onan - Vapor Lock? By: USAussie on Mon, 30 July 2012 20:04
		Re: [GMCnet] Onan - Vapor Lock? By: armandminnie on Mon, 30 July 2012 20:35
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Mon, 30 July 2012 21:06
		Re: [GMCnet] Onan - Vapor Lock? By: ljdavick on Mon, 30 July 2012 20:42
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Mon, 30 July 2012 21:09
		Re: [GMCnet] Onan - Vapor Lock? By: Matt Colie on Tue, 31 July 2012 07:43
		Re: [GMCnet] Onan - Vapor Lock? By: ljdavick on Tue, 31 July 2012 11:35
		Re: [GMCnet] Onan - Vapor Lock? By: hal kading on Tue, 31 July 2012 11:56
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Tue, 31 July 2012 19:41
		Re: [GMCnet] Onan - Vapor Lock? By: Mr ERFisher on Wed, 01 August 2012 08:25
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Sun, 05 August 2012 15:15
		Re: [GMCnet] Onan - Vapor Lock? By: Ken Burton on Sun, 05 August 2012 16:03
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Sun, 05 August 2012 16:21
		Re: [GMCnet] Onan - Vapor Lock? By: Carl S. on Sun, 05 August 2012 20:37
		Re: [GMCnet] Onan - Vapor Lock? By: Ken Burton on Sun, 05 August 2012 22:39
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Mon, 06 August 2012 09:57
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Wed, 08 August 2012 23:13
		Re: [GMCnet] Onan - Vapor Lock? By: ljdavick on Thu, 09 August 2012 01:07
		Re: [GMCnet] Onan - Vapor Lock? By: Ken Burton on Thu, 09 August 2012 02:03
		Re: [GMCnet] Onan - Vapor Lock? By: Dennis sch on Mon, 30 July 2012 20:51
		Re: [GMCnet] Onan - Vapor Lock? By: Carl S. on Mon, 30 July 2012 22:54
		Re: [GMCnet] Onan - Vapor Lock? By: k2gkk on Mon, 30 July 2012 21:49
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Mon, 30 July 2012 22:32
		Re: [GMCnet] Onan - Vapor Lock? By: Ken Burton on Mon, 30 July 2012 23:49
		Re: [GMCnet] Onan - Vapor Lock? By: captjack on Mon, 30 July 2012 21:54
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Mon, 30 July 2012 22:30
		Re: [GMCnet] Onan - Vapor Lock? By: midlf on Tue, 31 July 2012 13:19
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Tue, 31 July 2012 19:30
		Re: [GMCnet] Onan - Vapor Lock? By: midlf on Tue, 31 July 2012 22:19
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Tue, 31 July 2012 22:42
		Re: [GMCnet] Onan - Vapor Lock? By: k2gkk on Tue, 31 July 2012 22:55
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Tue, 31 July 2012 23:26
		Re: [GMCnet] Onan - Vapor Lock? By: ljdavick on Wed, 01 August 2012 00:43
		Re: [GMCnet] Onan - Vapor Lock? By: USAussie on Wed, 01 August 2012 00:56
		Re: [GMCnet] Onan - Vapor Lock? By: Ken Burton on Wed, 01 August 2012 01:28
		Re: [GMCnet] Onan - Vapor Lock? By: Steven Ferguson on Wed, 01 August 2012 06:33

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