Re: F-12 fuel pump problem solved!!!!!!

Posted by Rob in MI on July 25, 2005 at 18:29:43 from (208.33.229.38):

In Reply to: Re: F-12 fuel pump problem posted by Nebraska Cowman on July 24, 2005 at 18:52:46:

Yes I put in a new diaphram, but I got it running tonight. I don"t know if this is the right fix or not, but it worked. When I took the pump off yesterday it was pumping almost to the carb, but not enough for it to start. So we looked at the push rod and I thought it was alittle too short. When I had the pump off I used a screwdriver and pushed the plunger, and it shot gas about 2-3 feet in the air. So I got to thinking that maybe the push rod was just alittle to short to do anything. Today I bought a piece of smooth 3/8" rod and added about 1/4" to the throw, I hand cranked the engine, just to make sure that extra 1/4" wasn"t going to do anything to the cam or pump, everything sounded good so,I fired up the JD B and gave it a pull, and my dad said it shot fuel pretty quick, and in about 30 feet of pulling she took off. All it takes is 1 crank and she is running. Thanks to all who offered advice!!

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