... overhaul door. Also at back side. 2) We should pay attention to the principle axis level of series ... The level of tolerance with the rotor belt pulley should not more than 0.5mm.3) it is better ... butter in time, at the beginning, one time one day, after 3 days, one time per 3 days. It ... beginning, adjusts one time per each day, after three days, checking and adjusts per each 15days.4) stop procescut off ...