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bosch model a injection pump

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caseman70

07-02-2009 21:38:49




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what do i need to do to get more fuel out of my pump than just turn the fuel screw? the pump is off a 2590 case, and i put it on a 1070.




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mEl

07-04-2009 05:13:00




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 Re: bosch model a injection pump in reply to caseman70, 07-02-2009 21:38:49  
Take the SCREW out of the front and put the cap back on. mEl



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mEl

07-03-2009 04:18:33




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 Re: bosch model a injection pump in reply to caseman70, 07-02-2009 21:38:49  
Under the cap with two flats located on the radiator end of the pump you should find a screw with washers in the end of the rack. Remove it as it will limit rack travel, you could try it with the cap removed to see if it helps. Other than that a diesel shop probably advance the settings on each plunger to get more travel but that must be done on a test stand. I presume you have a turbo on it and want serious power. mEl

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caseman70

07-03-2009 07:44:52




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 Re: bosch model a injection pump in reply to mEl, 07-03-2009 04:18:33  
yea i put a turbo on it, and i pull it some but want to be able to use it on the farm some. i had forgot about the shims on the rack thank you



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caseman70

07-03-2009 07:53:13




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 Re: bosch model a injection pump in reply to caseman70, 07-03-2009 07:44:52  
Also can you screw the load (smoke) screw in too far, i have heard you can and you can't. i have about 4 threads left showing on mine?



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Thad

07-03-2009 09:43:42




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 Re: bosch model a injection pump in reply to caseman70, 07-03-2009 07:53:13  
Do what Mel said with the shims. If you have that many threads left you can go alot more. We have ran them with the threads flush with the nut or even below flush. You can go to far and the motor will just start and run wide open. If you find this point just back the screw out a 1/8 or 1/4 turn and you should be ok then. That will be all you can get without spending a chunk of change at a pump shop. Hope this helps Thad

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caseman70

07-03-2009 14:24:32




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 Re: bosch model a injection pump in reply to Thad, 07-03-2009 09:43:42  
thanks for the help. i have taken the shims out except one it had 9 on it. i also screwed the screw in further, it seams to made a difference, but the test will be tomorrow night. but like i said thanks for the help.



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