Makita HP2050 Instruction Manual

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6the tool by both side grip and switch handle duringoperations. Failure to do so may result in the lossof control of the tool and potentially severe injury.When drilling in concrete, granite, tile, etc., move theaction mode changing lever to the position of symbolto use "rotation with hammering" action.Be sure to use a tungsten-carbide tipped bit.Position the bit at the desired location for the hole, thenpull the switch trigger. Do not force the tool. Lightpressure gives best results. Keep the tool in position andprevent it from slipping away from the hole.Do not apply more pressure when the hole becomesclogged with chips or particles. Instead, run the tool atan idle, then remove the bit partially from the hole. Byrepeating this several times, the hole will be cleaned outand normal drilling may be resumed.Blow-out bulb (optional accessory)Fig.10After drilling the hole, use the blow-out bulb to clean thedust out of the hole.Drilling operationCAUTION:• Pressing excessively on the tool will not speed upthe drilling. In fact, this excessive pressure will onlyserve to damage the tip of your bit, decrease thetool performance and shorten the service life of thetool.• There is a tremendous force exerted on the tool/bitat the time of hole break through. Hold the toolfirmly and exert care when the bit begins to breakthrough the workpiece.• A stuck bit can be removed simply by setting thereversing switch to reverse rotation in order to backout. However, the tool may back out abruptly if youdo not hold it firmly.• Always secure small workpieces in a vise or similarhold-down device.When drilling in wood, metal or plastic materials, turn theaction mode changing lever to the position of symbolto use "rotation only" action.Drilling in woodWhen drilling in wood, the best results are obtained withwood drills equipped with a guide screw. The guidescrew makes drilling easier by pulling the bit into theworkpiece.Drilling in metalTo prevent the bit from slipping when starting a hole,make an indentation with a center-punch and hammer atthe point to be drilled. Place the point of the bit in theindentation and start drilling.Use a cutting lubricant when drilling metals. Theexceptions are iron and brass which should be drilleddry.MAINTENANCECAUTION:• Always be sure that the tool is switched off andunplugged before attempting to perform inspectionor maintenance.Cleaning vent holesFig.11The tool and its air vents have to be kept clean.Regularly clean the tool's air vents or whenever thevents start to become obstructed.To maintain product SAFETY and RELIABILITY, repairs,carbon brush inspection and replacement, any othermaintenance or adjustment should be performed byMakita Authorized Service Centers, always using Makitareplacement parts.ACCESSORIESCAUTION:• These accessories or attachments arerecommended for use with your Makita toolspecified in this manual. The use of any otheraccessories or attachments might present a risk ofinjury to persons. Only use accessory orattachment for its stated purpose.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• Tungsten-carbide tipped hammer bit• Phillips bits• Slotted bits• Hole saw• Blow-out bulb• Safety goggles• Keyless drill chuck 13• Chuck key• Grip assembly• Depth gauge• Plastic carrying case

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Makita HP2050 Instruction Manual

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