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Farmall & IHC Tractors Discussion Forum

300 Utility

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Author  [Modern View]

04-12-2016 18:04:15

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Got tractor running now notice Hyd's going over relief with all controls in neutral. I&T manual says "plugged hole in press regulator valve". Hys's ok while hitch is moving or w/remote lever activated w/jumper hose in couplers. What do you think? thanks, john

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04-13-2016 11:08:17

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 Re: 300 Utility in reply to dwag, 04-12-2016 18:04:15  
Thanks Guys, Screen in P.R.Valve was collapsed and damaged and orifice plugged. Messed with single/double acting adj first.

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04-12-2016 19:59:41

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 Re: 300 Utility in reply to dwag, 04-12-2016 18:04:15  
The regulator is at fault. There is a screen and a demand/pilot valve with a small hole in it. The diagrams in caseih.com search for parts search by model will get you to the layout. It should be in the first block closest to the reservoir between the hitch control valve and the reservoir casting. If the screen or orifice is plugged it will be on demand continuously. If you must operate the tractor, tie a valve on with the loop in the circuit. Jim

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Todd Stauffer

04-12-2016 18:41:17

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 Re: 300 Utility in reply to dwag, 04-12-2016 18:04:15  
check the roll pins in your control valves that indicate single or double action if the valve is not in one of these positions it will cause your problems

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