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Generator Question for the OT

Posted on 10/27/16 at 5:43 am
Posted by BatonRougeBuckeye
Baton Rouge, LA
Member since Aug 2013
1785 posts
Posted on 10/27/16 at 5:43 am
I have a 5700 watt generator that doesn't run quite right. I have had it for several years and early on let it sit too long requiring me to have the carb cleaned. Mechanic said to run non-ethanol gas in it and run it for an hour once a month to avoid carb issues. I have done that. Yesterday when I ran it, it would not run smoothly without the choke wide open. If I tried to close the choke it would run but constantly surge then run smooth again if I opened the choke. Love to hear if anyone has an idea what the issue is.
Posted by 756
Member since Sep 2004
14865 posts
Posted on 10/27/16 at 5:46 am to
Don't be a tightwad- buy a new carb
Posted by CHEDBALLZ
South Central LA
Member since Dec 2009
21921 posts
Posted on 10/27/16 at 5:49 am to
Run a can of seafoam through it.


ETA, I'd also run it under a load. A generators motor can run but the generator may not be putting out any juice. Hook the coffee maker to it or hair dryer to it, they draw a good bit of power.
This post was edited on 10/27/16 at 6:11 am
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 10/27/16 at 6:06 am to
Put a load on it and see if it still surges. Slot of them will surge without a load. It's the way the governor is setup.
Posted by FISH N TIGER
South Louisiana
Member since Jun 2007
1165 posts
Posted on 10/27/16 at 6:15 am to
Go online and buy another carb they are cheap. Empty the fuel tank and check for debris inside it( do not run engine until u empty tank and inspect it ),then add Stabil and seafoam then fill the tank with fresh non corn fuel.Change the oil,plug,air filter as well.If your gen has a fuel shutoff valve turn it off when you done using the gen. Good luck.
Posted by Cracker
in a box
Member since Nov 2009
17695 posts
Posted on 10/27/16 at 6:21 am to
Clean replace carb get it running properly with new gas then dump the gas do not store gas in it at all ever
Posted by Enadious
formerly B5Lurker City of Central
Member since Aug 2004
17689 posts
Posted on 10/27/16 at 6:26 am to
I'd change the fuel filter if it had one. Then, I'd buy a kit and rebuild the carburetor. I had to do that with my edger and tiller. Ethanol suxx. Carb kits are usually under $20. If you take your time, watch a Youtube video, you won't have any problems. Just don't drip small parts or remember where they go.
Posted by Knight of Old
New Hampshire
Member since Jul 2007
10975 posts
Posted on 10/27/16 at 6:38 am to
quote:

Clean replace carb get it running properly with new gas then dump the gas do not store gas in it at all ever
I just turn off the fuel valve to shut it down when I'm done using it. This clears the carburetor and keeps it and gaskets clean for future use. Also, I crank it up about once every 3 months whether necessary or not just to run fuel through it and repeat the shut down process. No worries leaving gas in the tank if you do this.

I've got a Generac that plugged into my house that I use about 3-4 times a year due to power outages caused by snow storms and/or ice, mainly, and it cranks on the first pull every time and runs just fine.
Posted by highcotton2
Alabama
Member since Feb 2010
9401 posts
Posted on 10/27/16 at 6:38 am to
In the future when you have it running right. Cut the fuel off and let it run until it quits. Then drain fuel tank. There is no need having gas in something you will not run but once every few years.
Posted by bigrob385series
B. Aura
Member since May 2014
2634 posts
Posted on 10/27/16 at 6:43 am to
quote:

I just turn off the fuel valve to shut it down when I'm done using it. This clears the carburetor and keeps it and gaskets clean for future use.
this...if your carb has a fuel bowl,drain it too.
Posted by windmill
Prairieville, La
Member since Dec 2005
7014 posts
Posted on 10/27/16 at 6:57 am to
"it would not run smoothly without the choke wide open. If I tried to close the choke it would run but constantly surge then run smooth again if I opened the choke."

You say it runs smooth with the choke wide open and won't run smoothly without the choke being wide open. This is normal operation as you don't want the choke to be closed unless it's being started up cold. The choke is only applied for cold starts and is to be open at all other times. The choke should be "wide open" while the engine is running. Application of choke while running will cause engine to bog and run rich.You're good if it runs smoothly with choke open.
This post was edited on 10/27/16 at 6:58 am
Posted by Hangit
The Green Swamp
Member since Aug 2014
39110 posts
Posted on 10/27/16 at 7:13 am to
Replace the air and fuel filters.

Pull the spark plug, gap and clean it.

Drain the old gas.

Add new, non ethanol gas with Seafoam. Do not use the whole can. Mix per instructions.

When through running it, drain the gas and use it in your lawnmower, truck, etc. Make sure your generator runs until there is no gas in the carb bowl.
Posted by The Mick
Member since Oct 2010
43103 posts
Posted on 10/27/16 at 8:30 am to
I agree with the seafoam suggestion.
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