[. . . ] Remember that a careless fraction of a second is sufficient to inflict serious injury. WARNING Always wear safety goggles or safety glasses with side shields when operating products. Failure to do so could result in objects being thrown into your eyes, resulting in possible serious injury. [. . . ] This feature can be used to prevent the possibility of accidental starting when not in use. To lock switch trigger, place the rotation selector (Forward / Reverse Selector) in center position. Follow these steps to install the battery pack: Place the rotation selector in the centre lock position. This tool has the feature of reversible rotation, that is controlled by a selector located above the switch trigger (6). For drilling work in metal , wood and plastic with drill bits that have Non SDS Plus shaft, the drill adaptor is available. Check the area to work with a metal detector, for example, before starting. Only after the switch is actuated and the machine starts does the gear box shift to the selected mode. When hammer drilling, use exclusively bits with hard metal and SDS-Plus shaft only. The use of commercially available masonry bits with cylindrical by means of the drill adapter is impossible. Remove the load from the machine immediately by pulling back the drilling tool. Always hold the machine tightly with both hands and assume a secure stance. For hammer drilling, work only with protective glasses, hearing protection and the auxiliary handle. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. WARNING Do not at any time let brake fluids, gasoline, petroleum based products, penetrating oils, etc. [. . . ] However if the tool is used for different applications, with different accessories or poorly maintained, the vibration emission may differ. This may signiÀcantly increase the exposure level over the total working period. An estimation of the level of exposure to vibration should also take into account the times when the tool is switched off or when it is running but not actually doing the job. [. . . ]