English | 13Bosch Power Tools 1 609 929 W83 | (9.11.10)4) Power tool use and carea) Do not force the power tool. Use the cor-rect power tool for your application. Thecorrect power tool will do the job betterand safer at the rate for which it was de-signed.b) Do not use the power tool if the switchdoes not turn it on and off. Any power toolthat cannot be controlled with the switchis dangerous and must be repaired.c) Disconnect the plug from the powersource and/or the battery pack from thepower tool before making any adjust-ments, changing accessories, or storingpower tools. Such preventive safetymeasures reduce the risk of starting thepower tool accidentally.d) Store idle power tools out of the reach ofchildren and do not allow persons unfa-miliar with the power tool or these in-structions to operate the power tool.Power tools are dangerous in the hands ofuntrained users.e) Maintain power tools. Check for misalign-ment or binding of moving parts, break-age of parts and any other condition thatmay affect the power tool’s operation. Ifdamaged, have the power tool repairedbefore use. Many accidents are caused bypoorly maintained power tools.f) Keep cutting tools sharp and clean. Prop-erly maintained cutting tools with sharpcutting edges are less likely to bind andare easier to control.g) Use the power tool, accessories and toolbits etc. in accordance with these instruc-tions, taking into account the workingconditions and the work to be performed.Use of the power tool for operations differ-ent from those intended could result in ahazardous situation.5) Servicea) Have your power tool serviced by a qual-ified repair person using only identicalreplacement parts. This will ensure thatthe safety of the power tool is maintained.Safety Warnings for Diamond Drillsf Hold the power tool only by the insulatedgripping surfaces of the drill stand whenperforming operations where the applica-tion tool could contact hidden wiring or itsown power cord. Contact with a “live” wirewill also make exposed metal parts of thepower tool “live” and shock the operator.f Use suitable detectors to determine if utili-ty lines are hidden in the work area or callthe local utility company for assistance.Contact with electric lines can lead to fireand electric shock. Damaging a gas line canlead to explosion. Penetrating a water linecauses property damage or may cause anelectric shock.Never operate the machine with-out the residual current device(RCD) provided.f Before starting work, check the proper func-tion of the residual current device (RCD).Have a damaged residual current device(RCD) repaired or replaced by your Boschafter-sales service agent.f Pay attention that neither persons in theworking area nor the power tool itself comeinto contact with the water that comes out.f Pay attention that water-conducting hoses,connnection elements and the water collec-tion ring (accessory) are in proper condi-tion. Replace damaged or worn parts beforeusing the next time. Water coming out ofpower tool components increases the risk ofelectric shock.f Store the machine in a safe manner whennot being used. The storage location mustbe dry and lockable. This prevents the ma-chine from storage damage, and from beingoperated by untrained persons.f Keep handles dry, clean, and free from oiland grease. Greasy, oily handles are slipperycausing loss of control.