MF40 Power Steering leak

[RidgeRun]

I have a MF-40 that has a leak in the power steering, but I cannot find the leak, no visible fluid leaks to the ground. The unusual thing is that it leaks while parked and not running. If it sits a day or two, I have to add about 6-12 ounces of fluid.
Any answers to this puzzle are appreciated.

 

[Mecheng87]

Since you asked this question 4 years ago I assume you have found and fixed the problem. I’m guessing you have a pump shaft seal leak and the hydraulic fluid is leaking into the engine oil sump.

 

[mllud]

Since you asked this question 4 years ago I assume you have found and fixed the problem. I知 guessing you have a pump shaft seal leak and the hydraulic fluid is leaking into the engine oil sump.

He would also be gaining crankcase oil if the seal is leaking. If the tractor burns some oil that may not be noticed. The problem with that is without knowing it over time the engine oil is continously getting diluted with power steering fluid. This could damage the engine bearings.