Generator will not stay running

Christopher

Moderator
Hello Everyone,

Before I take my generator to the shop I thought maybe someone here has had the same problem and could help me. My generator will not stay on for more than 5 or 10 minutes and then shuts off. I can re- start it and the same thing on and on. The spark plug is ok, I checked the fuel tank for trash or something blocking the fuel and it is ok, I changed the fuel filter and it did not look bad either. The Generator is a Coleman 10hp 5000 watt. The motor is a Briggs. Thanks for any help.
 
Check your oil and get back to me.
 
How about the Air Filter?
 
Well I finally got around to working on the generator and the Fuel cap is O.K., The oil level is O.K. and still clean, The Spark Plug is O.K., The Air Filter was a little dirty so I replaced it but it still turns off. The Spark Plug Wire looks good, Nothing looks out of the ordinary, I went to get gaskets to take off the carburetor but something is funny about the diagram the mechanic has in relation to the numbers on the machine. On his diagram the fuel bowl below the carburetor is held up by a bolt and mine is held up by two screws on opposite sides of each other. I could not get the screws loose. I was going to remove the whole carburetor and when you take the nuts off the studs, the ends of the studs are like stars or torx and I did not have a socket to fit these which were very small to get the studs out to remove the carburetor. Looks like time to get some special tools or take the trailer to the shop next weekend (the generator is bolted to the trailer). Any suggestions? Thanks.
 
Hello Russ,
The model # is 205412, Type is 0175E1, Code is 011003YD. I found the diagram on the Briggs website under manuals. The correct diagram is on page 5 of the manual. It shows the Nikki carburetor with the bowl and screws #1127A and gasket #137A. I cannot get the screws loose. They are combination phillips with flat. The screw started to strip so I stopped trying. like I mentioned the ends of the studs after you take the nuts off (trying to remove the carburetor) are star or torx (like some headlight screws) and I could not find a socket that would fit the end of the studs. Thanks for any help.
 
A friend of mine has a similar generator that had a similar problem a while back and mentioned that if you have always had a filter on it then there probably is no trash in the bowl. He mentioned that he was having vapor lock and before I unbolt the generator from the trailer to get good access to the carb so I could get it out or take it to the shop I will try manipulating the fuel hose and removing a jet to see if maybe the jet is dirty. Hopefully this will fix the problem.
 
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