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HD6 Dozer
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kharris071 View Drop Down
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Joined: 29 Jun 2010
Location: Arkansas
Points: 2 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kharris071 Quote  Post ReplyReply Direct Link To This Post Topic: HD6 Dozer
    Posted: 29 Jun 2010 at 6:16pm
Alrigt this is my first time trying this, so here we go. I have a HD6 that my dad rebuilt the motor in and I have just had the INJ pump gone through. It cranks right up however when you increase the throttle it chocks down and dies. I have tryed resting the valves but not sure I am getting them set right or not. i have also cleaned the fuel tank and lines as well as changed the fuel filters. any help or advice would be appreciated.
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41817 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2010 at 6:56pm
Check air side on intake , clogged air filter, dirt in bowl on air cleaner  bad air filter.
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33073 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2010 at 9:52pm
I suppose it has the AC engine and not a detroit in it?  If you had the pump gone through I would also look to the suction side for any restrictions then I would pull the return fitting from atop the pump and inspect for debris in it that could be holding the check ball.  I had this occur on my 180 with the Roosa Master type injection pump on it.  If the pump builds internal pressure it will accelerate for a moment then idle down and struggle or die if this fitting is impaired, also check the tank for fuel being returned, that port could be stopped up doing the same thing since it was worked on as well.
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 33073 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2010 at 9:54pm
Sorry, I meant to say 'Wasn't' worked on for the fuel tank.
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acisbest View Drop Down
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Joined: 09 Oct 2009
Location: SE, PA
Points: 140 		Post Options Post Options   Thanks (0) Thanks(0)   Quote acisbest Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jun 2010 at 11:39am
Have you replaced your fuel filters? How high is your fuel pressure? 
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kharris071 View Drop Down
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Joined: 29 Jun 2010
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Points: 2 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kharris071 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jun 2010 at 2:52pm
Thanks for all the responses I will try them this weekend and keep you up to date with my progress. I cant wait to get it going again, it was doing alot of work before dad rebuilt it.
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