Have an old home made log splitter that has been dormant for several years. The Old Briggs fired up no problem & I split 5-6 logs everything was fine....Several days later I noticed the ram was extended about 8 inches I went to start the motor & it was locked, as with the handle to move the ram forward & backwards. I took a log & gently whacked the handle & freed it up...I heard some gurgling in the oil reserve tank, but the pump will not turn...I put a pipe wrench on the shaft still won't move.....Stopped..... looking for advise....Would appreciate any help Thanks