When I did the last 2 hydraulic oil changes on my 91 B7100hst I used Super UDT2 oil. After both oil changes I've had problems with leaks that did not exist before the changes.
Both leaks are associate with "O" rings. First was a leak at hydraulic cylinder cap. Got that leak stopped with new O rings after 2 attempts. A second and recent leak now appears to be from O rings where the control valve attaches to the rear case cover. Hopefully this will not be a big job to replace these O rings.
My question is; was it a bad move to go with the Super UDT2 oil instead of staying with UDT as was used in this machine from new? Or, are oil leaks normal as machines age. My B7100 just turned 600 hrs so it's not like it has thousands of hours of wear on it.
Any and all comments are appreciated.
Both leaks are associate with "O" rings. First was a leak at hydraulic cylinder cap. Got that leak stopped with new O rings after 2 attempts. A second and recent leak now appears to be from O rings where the control valve attaches to the rear case cover. Hopefully this will not be a big job to replace these O rings.
My question is; was it a bad move to go with the Super UDT2 oil instead of staying with UDT as was used in this machine from new? Or, are oil leaks normal as machines age. My B7100 just turned 600 hrs so it's not like it has thousands of hours of wear on it.
Any and all comments are appreciated.