IH 350 Utility Hyds.

Agri King · May 27, 2013

IH 350 utility, I installed a new engine driven hyd. pump. The tractor has 3 remotes, only the remote for the hitch cylinder is used. The engine is under load any time the hitch remote is not being used (oil must be deadheading). What should I being looking at? The book says look into the Regulator and safety valve. Where is it? Thanks!!!!!!!!

Cub149 · May 27, 2013

The regulator is between the rearmost valve and the hydraulic reservoir. Also be sure all the single / double action valve switches are not in between settings.

Janicholson · May 27, 2013

Cub's answer is correct. There is also a screen (small) on the pilot valve he refers to. make sure it is clean. The screen under the seat (The big cover must come off). is also a clean make new, or buy new (very pricy). The system is not a true open center style, and not closed center either. it is a pilot demand style, with the tiny valve and orifice making the system pressurize. Jim

T Schwenk · May 27, 2013

Cub is correct and so is Janicholson. I would make 100% sure that the valves are not wore out and allowing fluid past and I would ask if the cyl is actually moving? I would assume that you have power steering and if so it is priority over the hydraulic valves. If the steering is leaking in the box it will for sure keep a load on the engine.

Agri King · May 28, 2013

Thanks guys, The orfice/screen was plugged. The ol' devil seems to be ok now. Thanks again!

Janicholson · May 28, 2013

You are welcome! Thanks for reposting with the outcome. Jim

IH 350 Utility Hyds.

Agri King

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Cub149

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Janicholson

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T Schwenk

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Agri King

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Janicholson

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