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Lonn View Drop Down
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Topic: Hey Dr Allis
    Posted: 19 Oct 2010 at 6:25am
What would cause fuel to leak out the side of the injection pump on an L2 with 426? When I say leak I mean pour. Right at the advance piston plug. The o-ring or gasket is completely gone and fuel is everywhere.
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4960 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2010 at 10:08am
air leak in the suction side of fuel delivery system caused advance piston to rapidly occilate, thus pushing out the advance plug, probably taking housing threads with it. Sorry, I'm not Dr Allis, but thought I could assist as well. I'm sure Dr will have some input also, hopefully a not so costly solution!
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Joined: 16 Sep 2009
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Points: 29792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2010 at 11:18am
Thanks Ed. Either you or the Dr or anyone who can help is appreciated. Thanks.
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Joined: 29 Oct 2009
Location: Anthon, Iowa
Points: 723 		Post Options Post Options   Thanks (0) Thanks(0)   Quote skipwelte Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2010 at 11:27am

Ive had the advance plug come loose, blow the oring and leak badly.  Your lucky if its on the outside, the inside plug it tough to get tightened. If your gettin lots of air like Ed says its gonna be bad, nothing good ever comes from suction side air leakage, most times it will break the advance pin, then the eng is outta time and wont run. Hopefully it a loose plug.   Good luck
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4960 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2010 at 12:00pm
If you cant find anyone close, I can fix it for you, but I'm in E. Peoria IL, you can ups it to me. good luck, Ed.
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Joined: 16 Sep 2009
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Thanks guys. I took it off this morning. Looks like it may have been leaking on both sides. Don't have time to look any further. Had Dad take it to a local pump shop to check it out. Now I'm at work and I'm sure my hands smell like diesel still.
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Joined: 16 Sep 2009
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OK, rebuilder said the seals were hard and flat and he thought maybe someone had been running something like alcohol in the fuel. I don't know about that but it had been into before he could tell and the settings were off. He rebuilt the whole thing and I will put it on tomorrow. I did think it was a bit low on power while only running a 15' head.
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2010 at 6:29am
Originally posted by injpumpEd injpumpEd wrote:

If you cant find anyone close, I can fix it for you, but I'm in E. Peoria IL, you can ups it to me. good luck, Ed.

I'll keep you in mind for next time.
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