Makita DHR183 Instruction Manual

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18 ENGLISHDo not apply more pressure when the hole becomesclogged with chips or particles. Instead, run the tool atan idle, then remove the drill bit partially from the hole.By repeating this several times, the hole will be cleanedout and normal drilling may be resumed.NOTE: Eccentricity in the drill bit rotation may occurwhile operating the tool with no load. The tool auto-matically centers itself during operation. This does notaffect the drilling precision.Drilling in wood or metalCAUTION: Hold the tool firmly and exert carewhen the drill bit begins to break through theworkpiece. There is a tremendous force exerted onthe tool/drill bit at the time of hole break through.CAUTION: A stuck drill bit can be removedsimply by setting the reversing switch to reverserotation in order to back out. However, the toolmay back out abruptly if you do not hold it firmly.CAUTION: Always secure workpieces in avise or similar hold-down device.NOTICE: Never use “rotation with hammering”when the drill chuck is installed on the tool. Thedrill chuck may be damaged.Also, the drill chuck will come off when reversing thetool.NOTICE: Pressing excessively on the tool willnot speed up the drilling. In fact, this excessivepressure will only serve to damage the tip of your drillbit, decrease the tool performance and shorten theservice life of the tool.Set the action mode changing knob to the symbol.Attach the chuck adapter to a keyless drill chuck towhich 1/2"-20 size screw can be installed, and theninstall them to the tool. When installing it, refer to thesection “Installing or removing drill bit”.► Fig.42: 1. Drill chuck assembly 2. Chuck adapterBlow-out bulbOptional accessoryAfter drilling the hole, use the blow-out bulb to clean thedust out of the hole.► Fig.43Using dust cup setOptional accessoryFit the dust cup set against the ceiling when operatingthe tool.► Fig.44NOTICE: Do not use the dust cup set when drill-ing in metal or similar. It may damage the dustcup set due to the heat produced by small metaldust or similar.NOTICE: Do not install or remove the dust cupset with the drill bit installed in the tool. It maydamage the dust cup set and cause dust leak.MAINTENANCECAUTION: Always be sure that the tool isswitched off and the battery cartridge is removedbefore attempting to perform inspection ormaintenance.NOTICE: Never use gasoline, benzine, thinner,alcohol or the like. Discoloration, deformation orcracks may result.To maintain product SAFETY and RELIABILITY,repairs, any other maintenance or adjustment shouldbe performed by Makita Authorized or Factory ServiceCenters, always using Makita replacement parts.OPTIONALACCESSORIESCAUTION: These accessories or attachmentsare recommended 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 or attachmentfor its stated purpose.If you need any assistance for more details regard-ing these accessories, ask your local Makita ServiceCenter.• Carbide-tipped drill bits (SDS-Plus carbide-tippedbits)• Chuck adapter• Keyless drill chuck• Bit grease• Depth gauge• Blow-out bulb• Dust cup• Dust cup set• Dust collection system• Tool hanger• Makita genuine battery and chargerNOTE: Some items in the list may be included in thetool package as standard accessories. They maydiffer from country to country.