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Message: <blockquote data-quote="CharlieNH" data-source="post: 30142" data-attributes="member: 3120"><p>Thanks for your reply and your offer. I think I have the problem fixed. I'll give a few more details here for anyone that uses this thread in the future. I earlier put in a new hydraulic pump and did not first readjust the pressure setting on the variable speed valve before using. The belt shifted instantly from high to low and back, rather than the 4 second spec in the manual, and I think that this blew one of the seals in the rotoswivel. The first time I replaced the seals, I was still using the beat up brass piston or gland and also might have damaged the new seals in installing by the snap ring groove. It's a very tight fit. I did a more through job the second time, even replacing part of the rotoswivel to be sure I had all bases covered. When I put it all back together it looked like I still had fluid coming out of somewhere, so , like you, I also looked again at the valve and piping, but could find no leak. I then took off the outer half of the sheave (the belt was also disengaged then) and ran it again with high and low pressure and could see no leak. I now think that I had overgreased it earlier when reinstalling and that all I was getting was residual grease being squeezed out and sprayed by centrifugal force. I've washed it all down and hope to confirm that it's all fixed when I use it today.</p></blockquote><p></p>