Wardner, that looks about like it. Instead of a knob on the adjusting valve, mine has a short 1/16" or so diameter rod/pin through the end to turn it. Mine doesn't have a part number except the casting has something that looks like the letter H or M with a 17 after it. The IT-25 manual shows early and late model flow dividers. The only difference I can see is that the early model uses a solid plug to hold the flow divider valve in and the later model uses the adjustable/screwable lockout assembly to hold the valve in. As I recall, it is screwed in to lock out the power steering for stationary operations with the hoe and such. A possible part number is 392665r91.
I went out this morning and pulled the pilot valve apart. Didn't really find anything wrong with it such as a stuck valve or sludge gumming up the works. The valve moved back and forth easily. It has an adjustable relief valve that can be adjusted from the outside so when I reinstall it, I may try adjusting that a little.
Probably won't do it during the super bowl, but this week, I'll probably clean them up and put them back together.
I will try to find some fittings to plug off the relief valve in the flow divider to check it in case it is bad and bypassing. Not sure of any other way to test it since I don't have the equipment to flow rate it. I can't get it out yet to look at it.
I'm just using the process of elimination before I spend the bucks for a pump. I've rebuilt the steering cylinder which help a little. I've had the hand pump out and replaced the top seal where it was leaking out the top when I got it. Can't really tell if the valve in the hand pump is bad but it passes all the tests in the IT manual. I've noticed with this 2606 that a person has to grab the steering wheel to pull yourself up so that kinda explains the top seal problem.
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