Power in one direction! I rebuilt my power steering cylinder that was leaking doing it with a valve seal kit, that was a total success(no leaks)it works like a charm in one direction but I have to use muscle power the other. I've taken it off several times to see if the spool is binding- which it seems not to. Should I be looking at the valve housing for rebuild next? I did strighten the drag link some. Your expertise is appreciated.

I'm ready to reinstall the steering cyliner but do not have the spec for "nut 24" which is the adjustment for spool travel - I believe I had it to tight originally.

This is great, the weekend warrior shall move ahead and investigate all the great tips and the photos are very helpful. Shall let all know how I make out - THANKS AGAIN!
Pete

What type steering does your 530 have, there were at least three different types. Is it AG, or a utility model, they are all different from one another. Where is the cylinder located. Old magnets advice is good for a utility model Loader Backhoe with the two small cylinders mounted to the wishbone and hooking directly to the steering arms on top of the spindles but that was not an ag front end. Help us by letting us know what type you have. mEl

It's actually a single cylinder located between the to wheels on a heavy duty front axle. It has two hydraulic lines that enter a valve housing side by side, I used a valve seal kit to rebuild the spool that sets inside this housing where I experienced an earlier leak. I found the re-build kit from CNH parts under 530 Case Ag & Utility tractor prio to S/N 8262800 or 1/60-12/64.

If I am correct you have the cylinder that mounts ahead of the axle and has the actuating link fastened to a ball joint right in the cylinder and the valve bolts to the end of the cylinder assembly and the rod has washers, rubbers and a nut to secure it through the rod end bracket. As you describe it I am sure that something is restricting the spool from traveling in one direction. If you had it apart, as evidently you did to reseal it tou may have to take another look at it to see what is restricting the spool valve from moving in the other direction. I have been in your shoes on that cylinder so don't feel bad. mEl

Cyl is fig 262, nut 24 is the adjustment for spool travel, pin 23 is inserted thru holes in 24 and a slot of spreader bolt 22 for the valve actuater.

The pin is easily broken as it can drop out of place in reassembly and be sheared. Take the drag link off and move the actuator in both directions with a screwdriver engine running. If the cyl doesn't actuate in one direction indicates the pin is broken. In any case you are going to have to take it apart, nut 24 may simply be out of adjustment.

Joe

before i put this back together i should adjust nut 24 for spool travel but have no spec as to what it should be - ??
Pete

Joe , I think you have it nailed down. That is easy to do. IIRC I made a replacement pin out of the appropriate size drill bit. I envy your ability to post such concise pictures with captions. Very nice. mEl

That's why I use so much grease to hold things together until bolted up. Broken pin is most likely but just one of the things to go wrong. Main thing is get the spool centered with the adjustment nut and keep the pin in place.

This pin is the last one I had apart about 4 yrs ago. I use a drill bit also.

Seems like amost everyone breaks the pin first time. Of course you and I never broke one, no siree, never happen! Isn't that right mEL? ... mEL? ... mEL? ... dang where did he go?

Joe

Quoting Removed, click Modern View to see

Try these bleeding instructions:
Fill reservoir and run engine @1500 rpm.
Operate the steering pump fast by spinning the steering wheel with one finger as rapidly as possible.
If this does not activate the valve spool, raise up the front of the tractor and rapidly deflect the front wheels by hand.
Work the steering wheel from full left to right until all the air is bled out of the system.