User manual MAKITA HR3850

[. . . ] 1 2 3 4 5 6 7 Side grip Grip base Tool retainer Change lever For rotation with hammering For hammering only Wing bolt Due to our continuing program of research and development, the specifications herein are subject to change without notice. ⷠNote: Specifications may differ from country to country. Power supply The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can be operated on single-phase AC/DC supply. [. . . ] Loosen the side grip by turning it counterclockwise, swing it to the desired position and then tighten it by turning clockwise. Remove the side grip from the grip base by turning the side grip counterclockwise. Screw the side grip on either side of the tool, whichever is convenient. 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. CAUTION: When the bit begins to break through concrete or if the bit strikes reinforcing rods embedded in concrete, the tool may react dangerously. Maintain good balance and safe footing while holding the tool firmly with both hands to prevent dangerous reaction. Turn the tool on and apply slight pressure on the tool so that the tool will not bounce around, uncontrolled. Once the core bit has cut a shallow groove into the concrete, remove the center bit. 9) (2) Hold the adapter with the wrench, insert the rod (optional accessory) into the hole in the core bit and tap with a hammer to unscrew. Once the core bit has cut a shallow groove into the concrete, rotate the change lever to the position and resume drilling. NOTE: No problem is caused even if the core bit unscrews slightly during brief use since the core bit rotates in the tightening direction. To remove the core bit, follow the same removal procedures covered in When using the center bit. To avoid rapid wear on the mode change mechanism, be sure that the change lever is always positively located in one of the two action mode positions. Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. ⷠDo not tape, tie or otherwise secure the trigger in the "ON" position. [. . . ] : series production) manufactured by Makita Corporation in Japan 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. The typical A-weighted noise levels are sound pressure level: 94 dB (A) sound power level: 107 dB (A) ­ Wear ear protection. The typical A-weighted noise levels are sound pressure level: 94 dB (A) sound power level: 107 dB (A) ­ Wear ear protection. [. . . ]