Makita HR4501C Instruction Manual
Also see for HR4501C: Instruction manualBrochure & specsInstruction manualInstruction manualInstruction manual
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8OPERATIONHammer drilling operationFig.21Set 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)Fig.22After drilling the hole, use the blow-out bulb to clean thedust out of the hole.Chipping/Scaling/DemolitionFig.23Set the change lever to the symbol.Hold the tool firmly with both hands. Turn the tool on andapply slight pressure on the tool so that the tool will notbounce around, uncontrolled. Pressing very hard on thetool will not increase the efficiency.MAINTENANCECAUTION:• Always be sure that the tool is switched off andunplugged before attempting to perform inspectionor maintenance.• This servicing should be performed by MakitaAuthorized Service Centers only.This tool requires no hourly or daily lubrication becauseit has a grease-packed lubrication system. It should berelubricated after requlary. Send the complete tool toMakita Authorized Service Center for this lubricationservice.To maintain product SAFETY and RELIABILITY, repairs,any other maintenance or adjustment should beperformed by Makita Authorized Service Centers,always using 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.• SDS-Max Carbide-tipped bits• SDS-Max bull point• SDS-MAX cold chisel• SDS-MAX scaling chisel• SDS-MAX tile chisel• SDS-MAX clay spade• Hammer grease• Bit grease• Side handle• Side grip• Depth gauge• Blow-out bulb• Safety goggles• Carrying case |
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