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Old 11-14-2014, 07:23 PM   #1
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Generator in-line Fuel shut off valve

After doing a little reading, and thinking back to how bad last winter was, I asked myself if the RV is all winterized and covered would I realistically go out and start up the genny every month and run it at full load so that the carb would not varnish or get gummed up? The answer was I would try, but just to be safe I installed an in-line fuel shut off valve today. So now, before I store the RV for any length of time, I can run the genny then turn the in-line valve off, wait about two minutes and the genny will shut off leaving no fuel in the carb to varnish or gum up. I believe this will help, cost a total of $5.00 and literally about 10 min of time.

Has anyone else done this and what are the results + or - with it?........I know its a little late to ask after its done


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Old 11-14-2014, 07:31 PM   #2
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I can think of no negatives with this set up it is what I do to my tractor and my generator when they wont be used for a extended period of time.


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Old 11-14-2014, 07:32 PM   #3
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Excellent mod; I run all the gas engines dry from the equipment I own, I also put a little bit oil on the piston so the rings are lubricated. Some of my equipment wants to outlive me. Proper care and maintenance is a money saver.
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Old 11-15-2014, 05:39 AM   #4
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I've used STA-BIL gass additive for years and it works like a charm.
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Old 11-15-2014, 06:50 AM   #5
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That would not be too effective with a Greyhawk Genset, since they get fuel from the main tank. You would need to treat up to 55 gal.
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Old 11-15-2014, 07:09 AM   #6
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snowbird47 you need to treat the main tank anyway. then run the motor or that tank will go stale too...
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Old 11-15-2014, 07:34 AM   #7
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I treat with stabil also, I have a couple of hot rods along with some farm equipment that get stored for the winter as-well so I have plenty of stabil on hand. I don't trust in stabil alone though, as I have had some equipment that I have treated and when I have pulled it out ended up rebuilding carbs.
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Old 11-15-2014, 01:21 PM   #8
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I run all of my equipment from mowers, edger's, and the generator completely out of pump gas w/StaBil before I put them up for the winter then;

I put enough of the 50:1 2 stroke fuel (from the HW store) in the tanks to get them running, then run them out of fuel again and put them away. No problems for about 5 years now.
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Old 11-15-2014, 02:24 PM   #9
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The only problem is the GEN instructions specifically say to run it for about an hour a month at 1/2 load to keep everything lubricated and moisture off the rings and stator.
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Old 11-16-2014, 09:14 AM   #10
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grumpy you are correct, that is what cummins told me after my second carb, and they don't cover carb gunking under warranty, my dealer told me the carbs are sealed and cannot be worked on, thanks california regs for that, he usually replaces 30 carbs every year, carbs are 250-300 and about 2 hours labor or more my total ended up being 750.00 , had a gas line shutoff put in my fleetwood, no more problems, you want poor customer service buy a fleetwood, thats why i bought a jayco

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