Makita 4105KB Instruction Manual

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6is prolonged. Wait 20 - 30 seconds before pressing therestart button to resume operation. Your finger should notbe on the switch trigger when you press the restart button,however.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on the tool.Installing or removing diamond wheelFig.5Loosen the thumb nut, lower the base and tighten thethumb nut in that position. Fit the socket wrench onto thehex bolt and turn the diamond wheel until two flattedparallel surfaces of the outer flange reach the direction inwhich the wrench can be inserted.Fig.6To install the wheel, follow the removal procedure inreverse. Always install the wheel so that the arrow on thewheel points in the same direction as the arrow on theblade case.BE SURE TO TIGHTEN THE HEX BOLT SECURELY.Fig.7CAUTION:• Use only the Makita wrench to install or remove thewheel.Dust bagFig.8The use of the dust bag makes cutting operations cleanand dust collection easy. To attach the dust bag, fit it ontothe dust spout. When the dust bag is about one-third full,remove the dust bag from the tool and pull the fastenerout. Empty the dust bag of its contents, tapping it lightlyso as to remove particles adhering to the insides whichmight hamper collection.OPERATIONFig.9Hold the tool firmly. Set the base plate on the workpieceto be cut without the wheel making any contact. Thenturn the tool on and wait until the wheel attains full speed.Move the tool forward over the workpiece surface,keeping it flat and advancing smoothly until the cutting iscompleted. Keep your cutting line straight and yourspeed of advance uniform.CAUTION:• Be sure to move the tool forward in a straight lineand gently. Forcing and exerting excessivepressure or allowing the wheel to bend, pinch ortwist in the cut can cause overheating of the motorand dangerous kickback of the tool.MAINTENANCECAUTION:• Always be sure that the tool is switched off andunplugged before attempting to perform inspectionor maintenance.• Never use gasoline, benzine, thinner, alcohol or thelike. Discoloration, deformation or cracks mayresult.Dressing diamond wheelIf the cutting action of the diamond wheel begins todiminish, use an old discarded coarse grit bench grinderwheel or concrete block to dress the diamond wheel. Todo this, tightly secure the bench grinder wheel orconcrete block and cut in it.After useBlow away dust from the inside of the tool by running thetool at an idle for a while. Brush off accumulation of duston the base. Accumulation of dust in the motor or on thebase may cause a malfunction of the tool.Replacing carbon brushesFig.10Remove and check the carbon brushes regularly.Replace when they wear down to the limit mark. Keepthe carbon brushes clean and free to slip in the holders.Both carbon brushes should be replaced at the sametime. Use only identical carbon brushes.Use a screwdriver to remove the brush holder caps. Takeout the worn carbon brushes, insert the new ones andsecure the brush holder caps.Fig.11To maintain product SAFETY and RELIABILITY, repairs,any other maintenance or adjustment should beperformed by Makita Authorized Service Centers, alwaysusing Makita replacement 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.• Diamond wheels (Dry type)• Hex wrench 5• Wrench 22• Rip fence (Guide rule)• Safety goggles

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