en Safety instructions

Robert Bosch Power GmbH 70538 Stuttgart GERMANY www.bosch-pt.com

1 609 92A 4KX (2018.07) O / 4

1 609 92A 4KX Circular blades and machine components Englisch must be clamped in such a manner that they can- Observe the safety warnings of the power not become loose during operation. Observe the / tool being used. information supplied by the manufacturer. ▶▶ This blade meets the European When mounting the circular saw blade, make directive EN 847-1. sure that the hub of the tool is properly clamped ▶▶ Select suitable circular saw blades for the and that the saw blade teeth are not in contact material being worked. Observe the material with any part of the machine (no grazing). information on the packaging. Extending spanners or using hammers or similar ▶▶ Observe the thickness of the riving knife and for tightening purposes is not permitted. the instructions of the machine. The clamping surfaces must be free of grease, oil ▶▶ Before using, check the saw teeth, machine and water. settings and rotation direction. Use only saw The use of loose-fitting reduction rings or bush- blades that are in perfect condition. ings is not permitted. ▶▶ Clean the saw blade regularly. The use of secure-fitting Bosch rings, e. g. ▶▶ Use suitable protective packaging for storage pressed in or held by means of adhesion, is per- and transport. mitted if they are correctly mounted in accord- ance with figure B (see cover pages). Safe Operation The ring thickness must always be smaller than Maximum speed: The maximum speed given the thickness of the base blade body. on the circular saw blade may not be exceeded. A B Observe the speed range (as far as indicated). Repair of Circular Saw Blades TC circular saw blades: Circular saw blades that When repairing, the design of TC circular saw have cracks or tears in their main body must be blades may not be changed. replaced. Repairs are not permitted. TC circular saw blades may only be repaired TC circular saw blades with saw-tooth dimen- through competent persons, i. e. through per- sions below 1 mm may no longer be used (Fig- sons with professional training and experience ure A). that know the design and construction require- Steel circular saw blades: Circular saw blades ments and understand the safety regulations to with visible cracks may not be used. be achieved. For information on the geometry Circular saw blades must be inserted into hand- to be observed, please refer to the Online Cata- held circular only when the saw is equipped logue under www.bosch-pt.com. with a self-closing blade guard. Do not resharpen any “Expert for Stainless Steel” Only use dry cut circular sawing machines to circular saw blades. work with ferrous and non-ferrous metals. Use Tolerances that ensure perfect clamping must be extraction that is permitted for the particular observed. application. Observe valid national and international standards. Fastening Circular Saw Blades and Machine Components When replacing a saw blade, rule out accidental starting of the power tool/woodworking ma- chine. Mount and secure the circular saw blade in ac- cordance with the regulations of the machine manufacturer. Observe the regulations specified by the machine manufacturer.