User manual BOSCH PWS 20-230 REV 5-2009

[. . . ] For lower voltages and models for specific countries, these values can vary. 1 2 3 4 5 6 7 8 9 10 Thumbwheel for speed preselection On/Off switch Auxiliary handle Spindle lock button Grinder spindle Protection guard Clamping lever Mounting flange with O-ring Grinding/cutting disc* Clamping nut 11 12 13 14 15 16 17 18 19 20 quick-clamping nut* Hand guard* Rubber sanding pad* Sanding sheet* Round nut* Cup brush* Cutting grinder stand* Length stop* Diamond cutting disc* Cutting guide with dust extraction protection guard* ** Cutting of stone is permitted only with the cutting guide (accessory). Typically the A-weighted noise levels of the product are: sound pressure level: 88 dB (A); sound power level: 101 dB (A). When using the vibration-dampening auxiliary handle, the hand-arm vibration at the auxiliary handle is typically below 2. [. . . ] S Never use cutting discs for rough grinding. Do not exert any lateral pressure on the cutting discs. The grinding tool runs on after the machine is switched off. S Never allow children to use the machine. S Bosch is only able to ensure perfect operation of the machine if the original accessories intended for it are used. S Before any work on the machine itself, pull the mains plug. S For work with grinding or cutting discs, the protection guard 6 must be mounted. Place the protection guard 6 onto the spindle collar of the machine head as shown in the illustration. The encoding keys of the protection guard must match with the respective recesses on the spindle collar. The vibration-dampening auxiliary handle reduces the vibrations, making operation more comfortable and secure. Do not make any alterations to the auxiliary handle. The quick-clamping nut 11 may be used only for grinding and cutting discs. use only a flawless , undamaged quick-clamping nut 11. When screwing on, take care that the side with printing does not point to the grinding disc. the arrow must point to the index mark 21. Lock the grinder spindle with the spin21 dle lock button 4. If the O-ring is missing or is damaged, it must in all cases be replaced (Order No. 1 600 210 039) before the mounting flange 8 is mounted. After mounting the grinding tool and before switching on, check that the grinding tool is correctly mounted and that it can turn freely. Depending on the application, remove the protection guard 6 and mount the hand guard 12. Screw on the clamping nut 10 and tighten with the two-pin spanner. A properly tightened undamaged, quickclamping nut can be loosened by hand turning the knurled ring in the counterclockwise direction. [. . . ] Otherwise, the danger exists of it being pushed uncontrolled out of the cut. In this case, interrupt the cutting process and allow the diamond cutting disc to cool by running freely at no-load speed for a short time. Noticeable decreasing work progress and circular sparking are indications of a diamond cutting disc that has become dull. S Before any work on the machine itself, pull the mains plug. [. . . ]