The following matters should be noted when using the rake machine: (1) Start the idling machine for 2 minutes. (2) The operator should wear a mask, wear tight-fitting overalls, and not wear gloves. (3) Fireworks are forbidden on the job site and grass collection warehouse; no electrical leakage may occur on machines and electrical equipment. (4) Non-operators are not allowed to stay at the job site, and operators are not allowed to stand on the side of the blower. (5) The spindle belt must be removed when adjusting the gap between the movable and stationary blades.