[. . . ] Due to our continuing programme of research and development, the specifications herein are subject to change without notice. â· Note: Specifications may differ from country to country. [. . . ] Do not touch the bit or parts close to the bit immediately after operation; they may be extremely hot and could burn your skin. Important: Always be sure that the tool is switched off and unplugged before installing or removing the bit. (If it is difficult to move the tool retainer with your thumbs, tap it with a hammer. Then insert the bit into the tool holder with the notched portion on the bit facing back toward the tool retainer. Then pull out and turn back the tool retainer 180 degrees to secure the bit. Try to pull the bit out of the tool holder to make sure the retained bit before use. CAUTION: Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. Whenever carbon brushes must be replaced, they cut out the tool automatically. This tool requires no hourly or daily lubrication because it has a grease-packed lubrication system. Remove the crank cap using a Makita lock nut wrench 35 (optional accessory). Wipe out the old grease inside and replace with a fresh grease (30 g). To maintain product safety and reliability, repairs, maintenance or adjustment should be carried out by a Makita Authorized Service Centre. [. . . ] EC-DECLARATION OF CONFORMITY We declare under our sole responsibility that this product is in compliance with the following standards or standardized documents, HD400, EN50144, EN55014, EN61000 in accordance with Council Directives, 73/23/EEC, 89/336/EEC and 98/37/EC. 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. [. . . ]