Thanks Wolfman, I ordered the complete assembly for breather valve.
I am discouraged, and at the same time thankful for the education. I think I'm going to nickname this tractor "perfect storm". I believe I am dealing with 2 separate issues.
The hydraulic issue I believe is related to the overpressure situation caused by one of the relief valves, which is why I was blowing hoses in my loader right after pump replacement. When there were no more weak hoses, the pump over pressured and blew out the chamber seals and shaft seal in hydraulic pump. I say this because after replacing shaft seal, pump will not move any fluid when I put it on the tractor. Therefore, the pump was probably not pumping hydraulic fluid before I changed the shaft seal. This is why the hydraulic fluid was not being pumped into crankcase.
With that said, this situation allowed the engine oil to be pushed into hydraulic pump through the front seal, and since engine oil is thicker than hydraulic oil, the pump was able to push it and work my hydraulics. So, basically instead of pump failure and losing hydraulics it operated on the engine oil.
So, as frustrated as I am, I will see this through, it is not in my nature to give up.
The plan of attack is as follows.
1.Rebuild the entire hydraulic pump.
2. Change 2 orings for suction mounts
3. Change 2 orings for delivery mounts.
4. Dissemble loader relief valve, clean, inspect, install new orings upon reassembly.
5. Disassemble 3pt relief valve, clean inspect, install with new oring.
6. Change hydraulic oil and filters.
7. Change breather valve on top of head cover.
After, all is torqued and reassembled I will place my hydraulic gauge on the loader port for lifting and test pressure.
I assume there is no adjustment on this relief valve like in the PTO?
I am checking this first, since the loader was blowing hoses.
Next I will check and set the PTO relief valve.
I will update as I go through this process with pictures of what I find.
I appreciate all the advice and patience you all have given.
Jason
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