[. . . ] If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCI) protected supply. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury. [. . . ] Table 1 shows the correct size to use depending on cord length and nameplate ampere rating. DO NOT let comfort or familiarity with product (gained from repeated use) replace strict adherence to safety rules for the subject product. If you use this tool unsafely or incorrectly, you can suffer serious personal injury. This tool has not been waterproofed, so do not use water on the workpiece surface. Ventilate your work area adequately when you perform sanding operations. Use of this tool to sand some products, paints and wood could expose user to dust containing hazardous substances. To stop the tool from the locked position, pull the switch trigger fully, then release it. MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. CAUTION: If the tool is operated continuously at low speeds, the motor will get overloaded and heated up. â· The speed adjusting dial can be turned only as far as 5 and back to 1. Do not force it past 5 or 1, or the speed adjusting function may no longer work. The tool speed can be infinitely adjusted between 4, 000 and 11, 000 orbits per minute by turning the speed adjusting dial, which is marked 1 to 5. Higher speed is obtained when the dial is turned in the direction of number 5, lower speed is obtained when it is turned in the direction of number 1. CAUTION: Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. CAUTION: Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. CAUTION: Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. Press down the clamp lever (1 in the figure) and with the clamp lever pressed down slide it toward the tool (2 in the figure) and the clamper will be released. Insert the paper end between a clamper and the pad 4 Release the other clamp lever by repeating the same procedure. While pulling abrasive paper to maintain the proper tension, insert and secure the other end of abrasive paper between another clamper and the pad and return the clamp lever to the original position. Remove the pad for the conventional type of abrasive paper from the tool with a screwdriver. Press down the clamp lever 1 and with the clamp lever pressed down slide it toward the tool 2 and the clamper will be released. Insert the paper end between a clamper and the pad aligning the paper edges even and parallel with the sides of the base. [. . . ] Keep the pad flush with the workpiece and apply slight pressure on the tool. CAUTION: Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. To maintain product SAFETY and RELIABILITY, repairs, carbon brush inspection and replacement, any other maintenance or adjustment should be performed by Makita Authorized Service Centers, always using Makita replacement parts. CAUTION: These accessories or attachments are recommended for use with your Makita tool specified in this manual. [. . . ]