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Farmall & IHC Tractors Discussion Forum
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Re: 340 utility late model

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Janicholson

11-23-2019 06:14:31




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The regulator and Safety valve shown as part 5 in the parts layout. In it is a pilot/demand valve that regulates when the system goes on pressure, or stays in a stand by mode, unloading the pump. It consists of a small screen and a drilling through the valve and a steel ball. The steel ball hammers the drilled hole near shut, the screen plugs, and the hole may be originally too small, especially in winter. New Orings should be purchased before taking it apart. The screen often collapses due to crud plugging it up, but can be cleaned and reused in some cases. the hole is oftrn about .030 to .035" drilling to .040 is OK. (not bigger, it will not go on demand) When it goes on demand with nothing being used (dead Headed) it runs the pump against the pressure regulator, forcing all iol through that valve causing max internal pressure and the drag on the engine. If it has a fast hitch, you could rais and lower the hitch while running the tractor to get it into the garage. Jim

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rustbucket

11-23-2019 13:45:24




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 Re: 340 utility late model in reply to Janicholson, 11-23-2019 06:14:31  
Thanks I have taken it apart and cleaned is once and yes the scree was collapsed. I got it cleaned and back to original shape, but did not check the orifice. I will do that tonight. Could you tell me the length of the draft control rod on the lift cylinder center to center on the mounting holes. Mine is not original.
Thanks so much for the help



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Janicholson

11-25-2019 19:13:37




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 Re: 340 utility late model in reply to rustbucket, 11-23-2019 13:45:24  
I do not have a 340, I just know the Hydraulics and other stuff. Maybe some one can measure one they own. Ask in a new thread. Jim



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