... in place of the cutting tools3, with 14 spanner fixed spindle, with 17 wrench clockwise rotation, will lock nut ... , the black line is negative5, open the switch according to the state, working free air temperature ... down, pay attention to the scraped bark gently with knives, not barbaric operation, to prevent damage to ... lock, if not, please use the machine with the wrench to tighten.2,in the process ...