Makita DGA404 Instruction Manual

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16 ENGLISHInstalling abrasive cut-off / diamondwheelOptional accessoryWARNING: When using an abrasive cut-off/ diamond wheel, be sure to use only the specialwheel guard designed for use with cut-off wheels.WARNING: NEVER use cut-off wheel for sidegrinding.► Fig.22: 1. Lock nut 2. Abrasive cut-off wheel / dia-mond wheel 3. Inner flange 4. Wheel guardfor abrasive cut-off wheel / diamond wheelAs for the installation, follow the instructions fordepressed center wheel.The direction for mounting the lock nut and the innerflange varies by wheel type and thickness.Refer to the following figures.For 100 mm (4″) modelWhen installing the abrasive cut-off wheel:► Fig.23: 1. Lock nut 2. Abrasive cut-off wheel(Thinner than 4 mm (5/32")) 3. Abrasive cut-off wheel (4 mm (5/32") or thicker) 4. InnerflangeWhen installing the diamond wheel:► Fig.24: 1. Lock nut 2. Diamond wheel (Thinner than4 mm (5/32″)) 3. Diamond wheel (4 mm(5/32″) or thicker) 4. Inner flangeFor model other than 100 mm (4″)When installing the abrasive cut-off wheel:► Fig.25: 1. Lock nut 2. Abrasive cut-off wheel(Thinner than 4 mm (5/32")) 3. Abrasive cut-off wheel (4 mm (5/32") or thicker) 4. InnerflangeWhen installing the diamond wheel:► Fig.26: 1. Lock nut 2. Diamond wheel (Thinner than4 mm (5/32″)) 3. Diamond wheel (4 mm(5/32″) or thicker) 4. Inner flangeInstalling wire cup brushOptional accessoryCAUTION: Do not use brush that is damaged,or which is out of balance. Use of damaged brushcould increase potential for injury from contact withbroken brush wires.Place the tool upside down to allow easy access to thespindle.Remove any accessories on spindle. Thread wire cupbrush onto spindle and tighten with supplied wrench.► Fig.27: 1. Wire cup brushInstalling wire wheel brushOptional accessoryCAUTION: Do not use wire wheel brush thatis damaged, or which is out of balance. Use ofdamaged wire wheel brush could increase potentialfor injury from contact with broken wires.CAUTION: ALWAYS use guard with wirewheel brushes, assuring diameter of wheel fitsinside guard. Wheel can shatter during use andguard helps to reduce chances of personal injury.Place the tool upside down to allow easy access to thespindle.Remove any accessories on spindle. Thread wire wheelbrush onto spindle and tighten with the wrenches.► Fig.28: 1. Wire wheel brushInstalling hole cutterOptional accessoryPlace the tool upside down to allow easy access to thespindle.Remove any accessories on the spindle. Thread thehole cutter onto the spindle, and tighten it with the sup-plied wrench.► Fig.29: 1. Hole cutterInstalling dust collecting wheelguard for grindingOnly for model DGA454 / DGA504Optional accessoryWith optional accessories, you can use this tool forplaning concrete surface.CAUTION: Dust collecting wheel guard forgrinding is only for use in planing concrete sur-face with a cup-type diamond wheel. Do not usethis guard with any other cutting accessory or forany other purpose.CAUTION: Before operation, make sure thata vacuum cleaner is connected to the tool andturned on.Place the tool upside down and install the dust collect-ing wheel guard.Mount the inner flange onto the spindle.Fit the cup-type diamond wheel on the inner flange andtighten the lock nut onto the spindle.► Fig.30: 1. Lock nut 2. Cup-type diamond wheel3. Hubbed cup-type diamond wheel 4. Innerflange 5. Dust collecting wheel guard6. Bearing boxNOTE: For information how to install the dust col-lecting wheel guard, refer to the manual of the dustcollecting wheel guard.