User manual MAKITA GA5021C

[. . . ] WARNING: For your personal safety, READ and UNDERSTAND before using. Model Wheel diameter Spindle thread No load speed (RPM) Overall length Net weight 11, 000/min 356 mm (14") 2. 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 workpiece immediately after operation; it may be extremely hot and could burn your skin. ALWAYS wear proper apparel including long sleeve shirts, leather gloves and shop aprons to protect skin from contact with hot grindings. Use of this tool to grind or sand some products, paints and wood could expose user to dust containing hazardous substances. use appropriate respiratory protection. After using the tool, make sure the wheel rotation comes to a complete stop before setting the tool down. Setting the tool down with the wheel rotating can cause personal injury. CAUTION: Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Press the shaft lock to prevent spindle rotation when installing or removing accessories. MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. CAUTION: Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. If the tool consistently fails to quickly stop wheel after switch trigger release, have tool serviced at a Makita service center. For tool without lock button and lock-off button To start the tool, simply pull the switch trigger. For tool with lock-off button To prevent the switch trigger from being accidentally pulled, a lock-off button is provided. Possible to get fine finish, because the rotating speed is kept constantly even under the loaded condition. Additionally, when the load on the tool exceeds admissible levels, power to the motor is reduced to protect the motor from overheating. When the load returns to admissible levels, the tool will operate as normal. Soft start because of suppressed starting shock. For tool with the lock-on switch To start the tool, simply pull the switch trigger (A). For continuous operation, pull the switch trigger (A) and then push in the lock lever (B). To stop the tool from the locked position, pull the switch trigger (A) fully, then release it. For tool with the lock-off switch To prevent the switch trigger from accidentally pulled, a lock lever is provided. To start the tool, push in the lock lever (B) and then pull the switch trigger (A). [. . . ] Regularly clean the tool's air vents or whenever the vents start to become obstructed. After replacing brushes, plug in the tool and break in brushes by running tool with no load for about 10 minutes. Then check the tool while running and electric brake operation when releasing the switch trigger. If electric brake is not working well, ask your local Makita service center for repair. [. . . ]