Ryobi AG403 Trilingual (AG403) - Page 10
Operation
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OPERATION POSITIONING THE GUARD See Figures 4 - 5, pages 12-13. Never use the angle grinder without the guard in place and properly adjusted. Unplug the angle grinder. Using the wrench provided, loosen and remove flange nut, grinding wheel, and disc flange from spindle if necessary. Using a screwdriver, loosen the clamp screw. Rotate the guard to its correct position as shown in figure 4. Retighten clamp screw securely. WARNING: Never place the guard so that it is on front of the angle grinder as shown in figure 5. This could result in serious injury because sparks and loose particles thrown from the grinding wheel would be directed toward the operator. Always place the guard in the correct location as shown in figure 4. DANGER: Never use your grinder with the guard removed. It has been designed for use only with the guard installed. Attempting to use grinder with guard removed will result in loose particles being thrown against the operator resulting in serious personal injury. GRINDING AND SANDING See Figure 6, page 13. Always carefully select and use grinding wheels that are recommended for the material to be ground. Make sure that the minimum operating speed of any accessory wheel selected is not less than 11,000 RPM. The grinding wheel provided with the angle grinder is suitable for grinding welds, preparing surfaces to be welded, grinding structural steel, and grinding stainless steel. To operate the grinder: Secure all work before beginning any operation. Secure small workpieces in a vise or clamp to a workbench. Hold the angle grinder in front and away from you with both hands, keeping the grinding wheel clear of the workpiece. Start the angle grinder and let the motor and grinding wheel build up to full speed. Gradually lower angle grinder until the grinding wheel contacts the workpiece. Keep the angle grinder tilted at an angle from 5° and 15°. WARNING: To prevent loss of control and possible serious personal injury, always operate the grinder with both hands, keeping one hand on the side handle. Move the angle grinder continuously at a steady, consistent pace. NOTICE: If the grinder is held in one spot too long, it will gouge and cut grooves in the workpiece. If the grinder is held at too sharp an angle, it will also gouge the workpiece because of concentration of pressure on a small area. Use just enough pressure to keep the angle grinder from chattering or bouncing. NOTE: Heavy pressure will decrease the grinder's speed and put a strain on the motor. Normally the weight of the tool alone is adequate for most grinding jobs. Use light pressure when grinding jagged edges or loose bolts where there is the potential for the grinder to snag on the metal edge. Lift the angle grinder away from the workpiece before turning the angle grinder off. 10 - English