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Hersteller: Bosch Dateigröße: 1.09 mb Dateiname: Unterrichtssprache:

Center the sanding disc on top of the backing pad. Insert the lock nut through the disc and thread onto the spindle as far as you can with your fingers. Press in the spindle lock, then tighten the backing pad securely with lock nut wrench. TO REMOVE BACKING PAD AND SANDING DISC Disconnect tool from power source. Using the lock nut wrench unscrew the nut from the spindle, while holding spindle lock in. WIRE BRUSH ASSEMBLY Before assembling wire brush to this tool, disconnect from the power source. Wire brushes are equipped with their own threaded hub, simply thread on to spindle. Be sure to seat against shoulder before ! WARNING turning tool “ON”. ! WARNING -8- Masonry Cutting Wheel Assembly For cutting masonry materials like brick, tile, stone, etc., it is best to use a dry diamond cutting wheel. Use only lock nut and flange with equal diameters. The wheel guard must be used with a dry diamond cutting wheel. Do not use water or other cooling fluid with this tool for cutting. Disconnect tool from power source before attaching cutting wheel. With wheel guard in place, assemble flange, cutting wheel and lock nut as illustrated on page 7. When cutting, make only small passes through workpiece at a time. Be aware that “Kickback” can occur at any time. Keep both hands on tool for maximum control. ! WARNING WHEEL GUARD BACKING FLANGE DRY DIAMOND WHEEL LOCK NUT SPINDLE SANDING DISC BACKING PAD LOCK NUT WIRE BRUSH SPINDLE BM 1609929F52 10/03 10/28/03 3:34 PM Page 8 BM 1609929F52 10/03 10/28/03 3:34 PM Page 9 Operating Instructionw !WARNING Hold the tool with both hands while starting the tool, since torque from the motor can cause the tool to twist. Start the tool before applying to work and let the tool come to full speed before contacting the workpiece. Lift the tool from the work before releasing the switch. DO NOT turn the switch “ON” and “OFF” while the tool is under load; this will greatly decrease the switch life. PADDLE SWITCH WITH "LOCK-OFF"FEATURE Models 1710D & 1711D only The Paddle switch enables the operator to control the switch functions of "Lock-OFF", and "ON/OFF". TO UNLOCK SWITCH AND TURN TOOL "ON": Push "Lock-OFF" switch release lever backward to unlock paddle switch, then squeeze paddle switch. TO SWITCH TOOL "OFF": Release pressure on paddle lever. The switch is spring loaded and will return to "OFF" position automatically. PADDLE SWITCH WITH "LOCK-OFF" ANH "LOCK-ON" FEATURI (Models 1710 & 1711 only The Paddle switch enables the operator to control the switch functions of "Lock-OFF", "ON/OFF" and "Lock-ON". TO UNLOCK SWITCH AND TURN TOOL "ON": Push switch release lever backward to unlock ON/OFF switch, then squeeze paddle switch. TO SWITCH TOOL "OFF": Release pressure on paddle lever. The switch is spring loaded and will return to "OFF" position automatically. "LOCK-ON" BUTTON (Models 1710 & 1711 only The "Lock-ON" feature, incorporated into the paddle switch, is a convenience for long operations. TO LOCK SWITCH "ON": After paddle switch has been activated push "Lock-ON" button at rear of tool completely in and release paddle switch. TO SWITCH TOOL "OFF": Squeeze and release paddle switch. PADDLE SWITCH "LOCK-OFF" SWITCH RELEASE LEVER "LOCK-ON" BUTTON (Models 1710 & 1711 only) Grinding Operations SELECTING GRINDING WHEELS hardness, grit size and structure. The correct Before using a grinding type of wheel to use is determined by the wheel, be certain that its job. Use disc grinding wheels for fast maximum safe operating speed is not grinding of structural steel, heavy weld exceeded by the nameplate speed of the beads, steel casting, stainless steel and grinder. Do not exceed the recommended other ferrous metals. wheel diameter. !WARNING GRINDING TIPS DISC GRINDING WHEELS Efficient grinding is achieved by controlling Grinding wheels should be carefully selected the pressure and keeping the angle between in order to use the grinder most efficiently. wheel and workpiece at 10° to 15°. If the Wheels vary in type of abrasive, bond, wheel is flat, the tool is difficult to control. If -9 BM 1609929F52 10/03 10/28/03 3:34 PM the angle is too steep, the pressure is concentrated on a small area causing burning to the work surface. !WARNING Excessive or sudden pres sure on the wheel will slow grinding action and put dangerous stresses on the wheel. Page 10 When grinding with a new wheel be certain to grind while pulling tool backwards until wheel becomes rounded on its edge. New wheels have sharp corners which tend to “bite” or cut into workpiece when pushing forward. Sanding Operationw SELECTING SANDING DISC Sanding discs are made of extremely hard and sharp aluminum oxide grits, phenol- resin bonded to a sturdy fiber backing for fast heavy-duty service and long life. The discs vary as to size and spacing of the abrasive grits. OPEN COAT (type H) — used for soft materials and on paint or varnish. CLOSED COAT (type K) —used for metal, hardwood, stone, marble and other materials. Sanding discs range in grit...

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