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Good point, Jon. I missed the cutaway view. My engineering information shows Delrin, depending on formulation, having a melt-flow point of 345 to 374 degrees Fahrenheit. This is why I suggested 200 degrees F. We can still investigate if they can be drilled in a strategic point for a grease...

Bjorn: I have heated joints with a torch and then put them in cold automatic transmission oil. As the part cools, it draws the oil into the joint. If possible, work the joint as it cools under the oil. ATF's high detergent content really floats the crud out of stuff when you work it during...

Bjorn: My M543A2, both wheels off the ground, with the steering assist cylinder like your illustration shows, takes 5 to 6 pounds pull at the rim of the steering wheel. I used a steady pull, going one half turn of the wheel, keeping the pull scale as tangent to the wheel as I could. I...

Bjorn: Another thought. When we had complaints of this at the shop, we would check axle tilt. Adding wedges between the axle spring perch and spring pack at the rear to angle the axle king pin alignment reference the road surface more did the trick. The top of the axle is rotated back to the...

Bjorn: OK, will do. It may be this evening or tomorrow. There are the two types of PS, the newer version with the assist cylinder and the older version with the huge Ross unit on the frame rail. Which one do you want me to test, or both? Thanks Marti

I can try it for you on a normal 5 ton, but the steering on it is probably not as complicated as on your 8x8. Do you want me to run the experiment for you anyway on my five ton tractor? I could give you some information like what force reading I get on a pull scale at the outer end of a steering...