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190xt injection pump leak
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Mattman View Drop Down
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Joined: 20 Dec 2012
Location: Plover, WI
Points: 140 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mattman Quote  Post ReplyReply Direct Link To This Post Topic: 190xt injection pump leak
    Posted: 13 Sep 2023 at 10:23am
My injection pump is leaking at the throttle shaft on my 190xt III with a Roosa Master pump. Anyone know if this can be fixed easily or do I have to remove pump?
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20187 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2023 at 2:48pm
I've done it before. Not easy, but not terrible either. The cover has to be removed and the retaining clip pulled out to release the two control shafts. The allen bolt in the center probably has to be removed with the lever and overtravel spring to get enough room to remove the throttle shaft as it will hit the engine block.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2023 at 8:57pm
Just like the Dr. said, have did alot with only one the throttle shaft did not have enough clearance to come out.                  MACK
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2257 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 14 Sep 2023 at 8:21pm
Like these guys said, it's tricky, but can be done. I reshaped an allen wrench just for getting that screw out. It's not as common for that to leak as the fuel shutoff is. Replace them both and usually the top cover gasket too. Hopefully none of the top cover bolts twist off.
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4860 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 15 Sep 2023 at 7:49am
Typically DB pumps leak because the flex ring is starting to crumble, and the pieces are plugging the return fitting in top. Going to the work to put the 2 orings may buy a little time, but it'll likely need serviced in the near future. 
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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