[. . . ] Read the Operating and Service Instruction carefully before using the aerator. Never allow children or people unfamilliar with these instructions to use the aerator. [. . . ] Before use, always make sure visually that the 6 ENG which is away from the operator. Do not start the engine when standing in front of the discharge chute. 2 Stop the engine and wait until the blades have stopped before removing the grass catcher or unclogging chute. When cleaning, repairing, or inspecting, make sure that blades and all mowing parts have stopped. Disconnect the spark plug wire, and keep the wire away from the plug to prevent any accidental starting. 3 After striking a foreign object, stop the engine, disconnect the spark plug wire, thorouglhy inspect the aerator for any damage. 4 If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. To reduce fire hazard, keep the engine and the silencer free of grass, leaves, or excessive grease. Parts not produced by manufacturer may cause poor fit and possible injury. Regularly check or have a service centre check the tightening of blades and bolts that support the motor. Blade replacement is complicate operation which involve specific competence as well as special equipment. For safety reasons, this operation must be carried out by a specialised technical assistance centre. [. . . ] €¢ Move the stop control to the “ON” position by pulling the lever, with the safety button, against the handle (3). €¢ Grasp rope handle and pull slowly until resistance is felt. [. . . ]