[. . . ] They are double-insulated in accordance with European Standard and can, therefore, also be used from sockets without earth wire. The operation of this device under unfavorable mains conditions can have adverse effects to the operation of other equipment. The mains socket used for this device must be protected with a fuse or protective circuit breaker having slow tripping characteristics. [. . . ] Then pivot the tool retainer further downward toward the barrel to securely retain the bit. cAUTION: · Always assure that the bit is securely retained by attempting to pull the bit out of the tool holder after completing the above procedure. The bit without a collar cannot be retained by the method shown in Fig. WARNING: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Turn the tool on and apply slight pressure on the tool so that the tool will not bounce around, uncontrolled. Before plugging in the tool, always check to see that the switch lever actuates properly and returns to the "OFF" position when released. Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. The green power-ON indicator lamp lights up when the tool is plugged to the mains. If the indicator lamp is lit but the tool does not start even if the tool is switched ON, the carbon brushes may be worn out, or the motor or the switch may be defective. If the indicator lamp does not light up, the mains cord or the indicator lamp may be defective. When the resin insulating tip inside the carbon brush is exposed to contact the commutator, it will automatically shut off the motor. Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. This tool requires no hourly or daily lubrication because it has a greasepacked lubrication system. Send the complete tool to Makita Authorized or Factory Service Center for this lubrication service. [. . . ] Measured sound power level: 104 dB Guaranteed sound power level: 106 dB These sound power levels are measured in accordance with Council Directive, 2000/14/EC. conformity assessment procedure: Annex VI Notified Body: TÜV Immissionsschutz und Energiesysteme GmbH Vibration The typical weighted root mean square acceleration value is 16 m/s2. We declare under our sole responsibility that this product is in compliance with the following standards or standardized documents, EN60745, EN55014, EN61000 in accordance with Council Directives, 73/23/EEC, 89/336/ EEC and 98/37/EC. [. . . ]