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Topic: 7140-Case-IH inj.pump.problems..Help
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01-02-2005 09:13:25

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I have a 7140 that will not keep running when I idle the motor down. It runs perfect at 1/3 throttle and above but get below that and the motor shuts off,no sputtering or missing out just shuts off. Only way to start it back up is with either and keep it running on either till it get RPM's up to about 1000 then it runs fine.It is geting good supply of fuel to the pump,fuel filters are clean.It doesn't matter if engine is cold or hot I have to use either to start it and get the RPM's up before something in the pump opens up and then she runs fine,but won't idle down without quiting. The electric shutdown on the pump is working fine I even unhooked it and held the shutdown lever to fuel on position,still had problems, I have some knowledge of injection pumps and have worked on Roosa's and Minnemic on Duetz which looks about the same. So i was hopeing someone might steer me in the direction of where to look for problem in this Bosch pump.I am not afraid to open it up and would like to learn more about the internals of this pump. Any help would be appreciated.

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10-17-2007 19:12:38

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Re: 7140-Case-IH inj.pump.problems..Help in reply to jerryh, 01-02-2005 09:13:25  
hi my name is andy im useing my girlfriend email address. i work at kramer farm and we have two 7140s we rebuilt one.we had same problom on knew
motor check for dirt or rust in the fuel anaroid.
never had any problem sense.check all gaskets
and o-rings in pump.while tractor is running spray pump with either if motor speeds up changes
tone then seals are bade.dont start with either
with no fuel u will burn motor up.dry starting
a motor is very hard on rings and on sleeves.
pleas e-mail me back want details

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02-01-2005 18:54:03

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Re: 7140-Case-IH inj.pump.problems..Help in reply to jerryh, 01-02-2005 09:13:25  
Get on the search engine and type in rister bros. equipment. They know them inside and out. They are at harrisburg il.

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