PROBLEM TO BE SOLVED: To provide a method for removing a collector of a riding lawn mower, the method that is facilitated.SOLUTION: A method for removing a collector of a riding lawn mower is provided as follows: the collector is lifted from a vehicle body by lifting a lifting/lowering link mechanism a collector removable carrier is inserted between the vehicle body and the collector from the rear of the vehicle body the collector is lowered by lowering the lifting/lowering link mechanism, and the collector is mounted on the collector removable carrier hydraulic piping connected to a lifting/lowering actuator is removed the lifting/lowering link mechanism is removed from a strut and the collector removable carrier is drawn from the vehicle body to the rear.SELECTED DRAWING: Figure 6