Briggs carb 18 hp

Bowman

New User
I am having trouble geting this carb to work correctly. I've rebuilt and cleaned it. It has worked fine for awhile, and then it seems to start sucking fuel. With the air cleaner off and the tractor under load it will acually be spraying fuel out of the carb so much that I can feel it spraying on me. After making an adjustment to the float, it then ran fine for about two mowings. After parking it the next time I went to use it I had the same problem again. This has happened twice now. This is on a briggs 18hp twin model 4222777 type 1244 01. Any help would be appreciated, thanks.
 
When you rebuilt carb did you replace fuel pump diaphram?,if not same may be bad & gas leaking past same flooding eng,if you did replace -did you put spring & cup on on correct side of pump diaphram?should be on cover side of pump,with cup against diaphram
 
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