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kharris071 
Bronze Level
Joined: 29 Jun 2010
Location: Arkansas
Points: 2
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 Topic: HD6 Dozer
Posted: 29 Jun 2010 at 6:16pm |
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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
Orange Level Access
Joined: 12 Sep 2009
Location: Afton MN
Points: 42036
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Posted: 29 Jun 2010 at 6:56pm |
Check air side on intake , clogged air filter, dirt in bowl on air cleaner bad air filter.
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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 34389
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Posted: 29 Jun 2010 at 9:52pm |
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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
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 34389
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Posted: 29 Jun 2010 at 9:54pm |
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Sorry, I meant to say 'Wasn't' worked on for the fuel tank.
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acisbest
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Joined: 09 Oct 2009
Location: SE, PA
Points: 142
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Posted: 30 Jun 2010 at 11:39am |
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Have you replaced your fuel filters? How high is your fuel pressure?
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kharris071
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Joined: 29 Jun 2010
Location: Arkansas
Points: 2
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Posted: 30 Jun 2010 at 2:52pm |
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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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