[Raven6]

After inspection, all hydraulic operations "appear" to originate from a pump mounted right side, mid block facing forward. the two main lines are 3/8, and the loader handle has a 4 gang and an inlet and outlet. It is dark in the container ( temp. Storage ) and cramped. Since this is probably an add on, while using the main pump and frame tank, there must be an accessory inlet & outlet possibly beneath the center section? connected to the steering box?
My Yanmar service manual does not note any PS information. Short presumption, all on one convoluted system.

 

[Raven6]

Missed one more thing, and that is the action occurs at either end of the cylinder stroke "ie" turning left or right.

 

[Raven6]

Thank alll of you for your thoughts, as this unit is new to me. I am aware of hydraulic theory to a point, and grasp the position of bump stops, and so on. The key here is the kill point is less than the end of the throw of the cylinder by some margin. If the turn radius is for example 45 degrees left or right, the buildup begins at 30 degrees, obvious at 38 kill at 40 - not 45. Could the cylinder they mounted be too short? My thought was that they did not set relief, so it is too high too soon. So I am back to where is the pressure relief unit, would it be in the four way valve if the steering is after the loader, flow wise? Since this tractor was assembled prior to my purchase, procedure would appear to be one of the possible issues. As well, could the steering arm the cylinder is attached to for the throw, too long" as these machines appear to be both manual & power steering. A short arm, would shorten the cylinder travel, both ways. My apologies for insufficient detail.

 

[Raven6]

YM2310D Yanmar - From what I can find as literature ( slim ) these were manual steering as well. When I bought this unit, being neophitic, I was quite sensitive, as a learning issue. As I used it more, I had the engine stop, and understood the symptoms, but not having the schematics etc. am unable to extrapolate the actual issue. As a side issue, the bolts holding the cylinder mount to the block worked loose ( wrong size ), so cleaned bore tapped and replaced with correct dimension bolts, so I do not have the assurance the cylinder is correct throw length. Working loose was a hint of the other issue as well. Regards.

 

[Raven6]

To Winston & Fred - Thank you for the knowledge you are giving. Winston, thanks for the Manuals, and the principles of the PS should well be the same. The fact they note a factory relief setting, etc. should assist. While not ideal, at least I, unlike San Diego and Long Beach, have my container. Been raining here in Oregon for 9 days straight. Plenty of time to figure this out. Kindest to all, and have a warm and comforting Christmas season.