I HAVE A 6341 ZETOR (2004). AND AM HAVING PROBLEMS THE CLUTCH PEDAL DOES NOT ALWAYS RETURN TO THE TOP POSITION. THIS ALL STARTED AFTER THE SLAVE CILINDER STARTED LEAKING AND I REPLACED IT. I HAVE BLEED THE SLAVE CILINDER TO REMOVE ALL AIR HAVE ALSO AJUSTED THE END WHERE THE SLAVE CILINDER FITS IN. HAVE ALSO ATTEMPTED TO ADJUST THE PEDAL. I NEED HELP .