Farmall 400 power steering

E.P

New User
Has anyone ever hooked up a char lynn power steering motor to a behlen priority valve.I am asking because my char lynn pump is shot and I don't want to switch the whole thing over to the behlen style
 
Yes it will run the char lynn steering unit if the 400 priority valve and system puts out like it should. Trouble is as many years as the IH priorty system has been around a lot don't have full flow or pressure anymore.
 
That priority gave problems from the day those tractors were new!!! Give the power steering its owned dedicated pump and you will never regret it and will have excellent and dependable power steering. Use it and enjoy!! Armand
 
I should have said that you can use pumps from some pickup trucks. There is information about this in the archives. Please stay with the dedicated pump and you will never regret doing so. Armand
 
I agree with armand... the separate pump is the best option. Dad had a JD 60 with a CharLynn torque motor (or torque generator) and a Saginaw (GM) pump and it worked perfectly. I have an IH 240U with CharLynn and a priority flow divider valve and although it's better than no PS, it is not consistant and is jerky. Also when idled down, it robs enough flow from the system that the 3 point does not work right.
Having worked for a hydraulics manufacturer for 38 years (25 in the engineering dept.) I can tell you that if hydraulic components are not "matched" properly, they can cause a lot of headaches... in this case the PFDV is the one that will cause problems. Within a designed range of flow, it will "tap off" a set flow to the "priority"port and the remainder to the "secondary"... notice this is [u:d03851ea3e]"within a designed range"[/u:d03851ea3e]... not "no matter how much flow you put through it". There are companies that make adjustable PFDVs, but these are not generally used in power steering systems, as there are too many people that would "play" with them that do not know what they are doing.
 

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