WE HAVE RECENTLY PURCHASED A 1962(3) OLIVER OC-4, WITH A DOZER BLADE.SHE RUNS GREAT,BUT HAS A BAD OIL LEAK FROM THE OIL PAN GASKET AND THE CLUTCH WAS SLIPPING.I BOUGHT THE GASKET KIT,CLUTCH DISKS,THROWOUT BEARING AND PILOT BEARINGS.HAD THE PRESURE PLATES CLEANED UP ON A LATHE.WAS HOPING TO GET SOME POINTERS ON THE REPLACEMENT OF THESE PARTS,AND IF THERE WERE ANY DO'S AND DONTS. ANY INFO WOULD BE GREATLY APPRECIATED. THANK YOU ,ROVER.