heres a puzzle, a 2009 Beaver Patriot Thunder 525HP C-13 PTO drivin hydraulic pump off of curb side of transmission Hydraulic seal went out on hydralic pump took seal out of pto and filled the transmission with Hyd. fluid at 5000 mile mark, Replaced hyd. pump resealed pto, flushed transmission ran for 15000 miles trouble free, untill. same problem Hydraulic seal gone took out pto seal ect.ect. in process of taking all apart agian, any ideas why? possibly bad bearing on pto taking out pump seal? can a blockage in the hyd. system take the seal out without blowing a hose? any input would be greatly apprieciated Shane