User manual MAKITA HR1820

[. . . ] Hold the tool by the insulated grasping surfaces to prevent electric shock if you drill or chip into a "live" wire. Do not touch the bit or parts close to the bit immediately after operation; they may be extremely hot and could burn your skin. Wear a hard hat (safety helmet), safety glasses and/or face shield. It is also highly recommended that you wear a dust mask, ear protectors and thickly padded gloves. [. . . ] By repeating this several times, the hole will be cleaned out. 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. The side grip swings around to either side, allowing easy handling of the tool in any position. Loosen the side grip by turning it counterclockwise, swing it to the desired position and then tighten it by turning clockwise. 4) Rotation only: For drilling in wood or metal, press the push rod in the direction. 5) CAUTION: To avoid rapid wear on the mode change mechanism, be sure to press the push rod as far as it will go. 7) CAUTION: 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. Use the dust collector for safe, sanitary overhead operations. Install the bit, then attach the dust collector on the end by turning and applying pressure. Then secure it by turning the metal retainer clockwise. CAUTION: Empty the dust collector of its contents after drilling every 2 or 3 holes. CAUTION: When the drill chuck is installed on this tool, do not use ``rotation with hammering'' action. 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. to start the tool simply pull the trigger. Tool speed is increased by increasing pressure on the trigger. A speed control screw is provided so that maximum tool speed can be limited (variable). Turn the speed control screw clockwise for higher speed, and counterclockwise for lower speed. CAUTION: Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. [. . . ] 60 g) can cause faulty hammering action or tool failure. Fill only with the specified amount of grease. Reinstall the crank cap and tighten with the lock nut wrench. do not tighten the crank cap excessively. [. . . ]