Baier BDN 452 Instruction Manual
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Contents
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| 11 |i) Wear personal protective equipment.Depending on application, use faceshield, safety goggles or safety glasses.As appropriate, wear dust mask, hearingprotectors, gloves and shop apron capableof stopping small abrasive or workpiecefragments.The eye protection must be capable of stoppingflying debris generated by various operations.The dust mask or respirator must be capable offiltrating particles generated by your operation.Prolonged exposure to high intensity noise maycause hearing loss.j) Keep bystanders a safe distance away fromwork area. Anyone entering the work areamust wear personal protective equipment.Fragments of workpiece or of a brokenwheel may fly away and cause injury beyondimmediate area of operation.k) Hold the power tool by insulated grippingsurfaces only, when performing anoperation where the cutting accessory maycontact hidden wiring or its own cord.Cutting accessory contacting a “live” wire maymake exposed metal parts of the power tool“live” and could give the operator an electricshock.l) Position the cord clear of the spinningaccessory.If you lose control, the cord may be cut orsnagged and your hand or arm may be pulledinto the spinning wheel.m) Never lay the power tool down until theaccessory has come to a complete stop.The spinning wheel may grab the surface andpull the power tool out of your control.n) Do not run the power tool while carrying it atyour side.Accidental contact with the spinning accessorycould snag your clothing, pulling the accessoryinto your body.o) Regularly clean the power tool’s air vents.The motor’s fan will draw the dust insidethe housing and excessive accumulation ofpowdered metal may cause electrical hazards.p) Do not operate the power tool nearflammable materials.Sparks could ignite these materials.q) Do not use accessories that require liquidcoolants.Using water or other liquid coolants may result inelectrocution or shock.2.6.2 Kickback and related warningsKickback is a sudden reaction to a pinched orsnagged rotating wheel. Pinching or snaggingcauses rapid stalling of the rotating wheel which inturn causes the uncontrolled power tool to be forcedin the direction opposite of the wheel’s rotation atthe point of the binding.For example, if an abrasive wheel is snagged orpinched by the workpiece, the edge of the wheelthat is entering into the pinch point can dig into thesurface of the material causing the wheel to climbout or kick out. The wheel may either jump towardor away from the operator, depending on directionof the wheel’s movement at the point of pinching.Abrasive wheels may also break under theseconditions.Kickback is the result of power tool misuse and/orincorrect operating procedures or conditions andcan be avoided by taking proper precautions asgiven below.a) Maintain a firm grip on the power tool andposition your body and arm to allow you toresist kickback forces. Always use auxiliaryhandle, if provided, for maximum controlover kickback or torque reaction duringstart-up.The operator can control torque reactions orkickback forces, if proper precautions are taken.b) Never place your hand near the rotatingaccessory.Accessory may kickback over your hand.c) Do not position your body in line with therotating wheel.Kickback will propel the tool in directionopposite to the wheel’s movement at the pointof snagging.d) Use special care when working corners,sharp edges, etc. Avoid bouncing andsnagging the accessory.Corners, sharp edges or bouncing have atendency to snag the rotating accessory andcause loss of control or kickback.e) Do not attach a saw chain, woodcarvingblade, segmented diamond wheel witha peripheral gap greater than 10 mm ortoothed saw blade.Such blades create frequent kickback and lossof control.f) Do not “jam” the wheel or apply excessivepressure. Do not attempt to make anexcessive depth of cut.Overstressing the wheel increases the loadingand susceptibility to twisting or binding of thewheel in the cut and the possibility of kickbackor wheel breakage. |
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