Makita HR4002 Instruction Manual

Also see for HR4002: Instruction manual Specifications Parts Breakdown Instruction manual Instruction manual

Contents

7Bit angle (when chipping, scaling ordemolishing)1 23008063The bit can be secured at 12 different angles. To changethe bit angle, depress the lock button and rotate thechange lever so that the pointer points to the symbol.Turn the bit to the desired angle.Depress the lock button and rotate the change lever sothat the pointer points to the symbol. Then make surethat the bit is securely held in place by turning it slightly.1 23008064Depth gauge1 23008067The depth gauge is convenient for drilling holes ofuniform depth. Insert the depth gauge into the hole in thegrip base. Adjust the depth gauge to the desired depthand then tighten the clamp screw to secure the depthgauge.The depth gauge is convenient for drilling holes ofuniform depth. Loosen the clamp screw and adjust thedepth gauge to the desired depth. After adjusting,tighten the clamp screw firmly.NOTE:• The depth gauge cannot be used at the positionwhere the depth gauge strikes against the toolbody.• The depth gauge cannot be used at the positionwhere the depth gauge strikes against the gearhousing/motor housing.OPERATIONHammer drilling operation008066Set the change lever to the symbol.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.CAUTION:• When the bit begins to break through concrete or ifthe bit strikes reinforcing rods embedded inconcrete, the tool may react dangerously. Maintaingood balance and safe footing while holding thetool firmly with both hands to prevent dangerousreaction.Blow-out bulb (optional accessory)1002449After drilling the hole, use the blow-out bulb to clean thedust out of the hole.1. Blow-out bulb1. Depth gauge2. Clamp screw3. Grip base1. Pointer2. Change lever3. Lock button1. Pointer2. Change lever3. Lock button

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HR4002

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