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2. Apply minimum pressure to the work surface, to operate at high speed. Grinding rate is greatest operates at high speed. 3. Maintain a 20° to 30° angle between the tool and work surface. 4. Continuously move the tool in a forward and back motion to avoid creating gouges in the work surface. 20°-30° 5. Remove the tool from work surface before turning tool off. Allow the tool to stop rotating before laying it down. EDGE GRINDING WITH GRINDING WHEELS CAUTION: Wheels used for cutting and edge grinding may break if they bend or twist while the tool is being used to do cut-off work or deep grinding. To reduce the risk of serious injury, limit the use of these wheels with a standard Type 27 guard to shallow cutting and notching (less than 1/2" in depth). The open side of the guard must be positioned away from the operator. For deeper cutting with a Type 1 cut-off wheel, use a closed, Type 1 guard. See the chart on page 7 for more information. Type 1 guards are available at extra cost from your local dealer or authorized service center. 1. Allow the tool to reach full speed before touching the tool to the work surface. 2. Apply minimum pressure to the work surface, allowing the tool to operate at high speed. Grinding rate is greatest when the tool operates at high speed. 10 English English 3. Position yourself so that the open-underside of the wheel is facing away from you. 4. Once a cut is begun and a notch is established piece, do not change the angle of the cut. Changing will cause the wheel to bend and may cause wheel Edge grinding wheels are not designed to withstand caused by bending. 5. Remove the tool from the work surface before turning the off. Allow the tool to stop rotating before laying it down. WARNING: Do not use edge grinding/cutting wheels for surface grinding applications because these wheels are not designed for side pressures encountered with surface grinding. Wheel breakage and injury may result. SURFACE FINISHING WITH SANDING FLAP DISCS 1. Allow the tool to reach full speed before touching the tool to the work surface. 2. Apply minimum pressure to work surface, allowing the tool to operate at high speed. Sanding rate is greatest when the tool operates at high speed. 3. Maintain a 5° to 10° angle between the tool and work surface. 4. Continuously move the tool in a forward and back motion to avoid creating gouges in the work surface. 5°-10° 5. Remove the tool from work surface before turning tool off. Allow the tool to stop rotating before laying it down. MOUNTING SANDING BACKING PADS CAUTION: Turn off and unplug the tool before making any adjustments or removing or installing attachments or accessories. Before reconnecting the tool, turn the switch on and off as previously described to ensure that the tool is off. 11 CAUTION: Proper guard must be reinstalled for grinding wheel, sanding flap disc, wire brush or wire wheel applications after sanding applications are complete. 1. Place or appropriately thread backing R Hpad (Q) on the spindle. 2. Place the sanding disc (R) on the backing pad. 3. While depressing spindle lock, thread clamp nut (H) on spindle, piloting the raised hub on the clamp nut into the center of sanding disc and backing pad. 4. Tighten the clamp nut by hand. Then Q depress the spindle lock button while turning the sanding disc until the sanding disc and clamp nut are snug. 5. To remove the wheel, grasp and turn the backing pad and sanding pad while depressing the spindle lock button. USING SANDING BACKING PADS Choose the proper grit sandpaper for your application. Sandpaper is available in various grits. Coarse grits yield faster material removal rates and a rougher finish. Finer grits yield slower material removal and a smoother finish. Begin with coarse grit discs for fast, rough material removal. Move to a medium grit paper and finish with a fine grit disc for optimal finish. Coarse 16 - 30 grit Medium 36 - 80 grit Fine Finishing 100 - 120 grit Very Fine Finishing 150 - 180 grit 1. Allow the tool to reach full speed before touching tool to the work surface. 2. Apply minimum pressure to work surface, operate at high speed. Sanding rate is operates at high speed. 3. Maintain a 5° to 15° angle between the tool and work surface. The sanding disc should contact approximately one inch of work surface. 4. Move the tool constantly in a straight line to prevent burning and swirling of work surface. Allowing the tool to rest on the work surface without moving, or moving the tool in a circular motion causes burning and swirling marks on the work surface. 5°-15° 5. Remove the tool from work surface before turning tool off. Allow the tool to stop rotating before laying it down. Mounting and Using Wire Brushes and Wire Wheels Wire cup brushes or wire wheels screw directly on the grinder spindle without the use of flanges. Use only wire brushes or wheels provided with a 5/8"-11 threaded hub. A Type 27 guard is required when using wire brushes and wheels. CAUTION: Wear work gloves when...