User manual MAKITA HR2431

[. . . ] Prolonged exposure to high intensity noise can cause hearing loss. Wear a hard hat (safety helmet), safety glasses and/or face shield. Be sure the bit is secured in place before operation. The screws can come loose easily, causing a breakdown or accident. [. . . ] This will cause the torque limiter to actuate too frequently. CAUTION: Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the ``OFF'' position when released. to start the tool , simply pull the trigger. Tool speed is increased by increasing pressure on the trigger. With the dust extractor attachment and the dust bag installed on this tool, you can do your work very cleanly without dust scattered around in the work site. CAUTION: These two accessories can be used only for drilling holes in concrete. Accordingly, do not use them in metal or wood drilling operation. Always check the direction of rotation before operation. Use the reversing switch only after the tool comes to a complete stop. Changing the direction of rotation before the tool stops may damage the tool. Do not pull the switch trigger when the reversing switch lever is in the neutral position. If you pull the trigger forcibly, the switch may be damaged. Loosen the clamp screw of the side grip by turning it counterclockwise. Insert the coupling rod of the dust extractor attachment through the coupling hole of the side grip until the rod cannot be pushed in any further. And then tighten the clamp screw clockwise to secure the dust extractor attachment. The coupling rod can be inserted from either side A or B. 7) Note: At some angles of the side grip with the tool, the dust extractor attachment cannnot be installed on the tool because of the interference between the attachment and the tool. Insert firmly the hose of the dust extractor attachment into the hose port of the tool until the hose hits against the bottom of the port to be fixed firmly to the tool. Keeping the angle of the dust bag with the tool at 90°, insert the dust bag into the dust exhaust port of the tool. Loosen the clamp screw of the dust extractor attachment by turning it counterclockwise. 10) And then align the tip of the bit with the top of the dust extractor attachment. 11) Tighten the clamp screw by turning it clockwise to secure the dust extractor attachment. [. . . ] To maintain product safety and reliability, repairs, maintenance or adjustment should be carried out by a Makita Authorized Service Center. Keep the tool in position and prevent it from slipping away from the hole. Do not apply more pressure when the hole becomes clogged with chips or particles. Instead, run the tool at an idle, then remove the bit partially from the hole. [. . . ]