| [GMCnet] Onan... shut off at fuel pump [message #133618] |
Thu, 07 July 2011 06:42  |
Kingsley Coach
Messages: 2691
Registered: March 2009
Location: Nova Scotia Canada
Karma: -34
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Senior Member |
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Netters
What is the purpose of the 'shut off' switch just before the Onan electric
fuel pump?
I had to remove it to get a generator running over the weekend....since it
now runs fine, do I need to replace or re-install it?
Thanks
Mike in NS
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Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
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| Re: [GMCnet] Onan... shut off at fuel pump [message #133624 is a reply to message #133618] |
Thu, 07 July 2011 07:52  |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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| Kingsley Coach wrote on Thu, 07 July 2011 07:42 |
Netters
What is the purpose of the 'shut off' switch just before the Onan electric fuel pump?
I had to remove it to get a generator running over the weekend....since it now runs fine, do I need to replace or re-install it?
Thanks
Mike in NS
--
Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
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Mike,
I was told that it was included in all of the Power Drawer packages because: Some installations mount the APU at or below the fuel tank level and a leaking carburetor could cause a real problem. Or, in the case of a GMC, over filling the fuel tank or vent issues could cause fuel pressures to rise in the tank that could push through the carburetor float valve. I have never seen pressure in my fuel tanks.
Me, I think I would try to go without it in a GMC. Just be sure you understand the situation.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] Onan... shut off at fuel pump [message #133636 is a reply to message #133618] |
Thu, 07 July 2011 09:37 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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My 1976 GMC does not have one nor does it have any wiring for one. The shutoff valve was supplied by Onan not GMC.
My opinion is to forget replacing it.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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