Makita BHP446 Instruction Manual

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Contents

9MAINTENANCECAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before attempting toperform inspection or maintenance.• Never use gasoline, benzine, thinner, alcohol or thelike. Discoloration, deformation or cracks may result.Replacing the carbon brushesFig.14Replace 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 two screws then removethe rear cover.Fig.15Raise the arm part of the spring and then place it in therecessed part of the housing with a slotted bitscrewdriver with a slender shaft or the like.Fig.16Use pliers to remove the carbon brush caps of the carbonbrushes. Take out the worn carbon brushes, insert thenew ones and replace the carbon brush caps in reverse.Fig.17Make sure that the carbon brush caps have fit into theholes in brush holders securely.Fig.18Reinstall the rear cover and tighten two screws securely.To maintain product SAFETY and RELIABILITY, repairs,any other maintenance or adjustment should beperformed by Makita Authorized Service Centers,always using Makita replacement parts.OPTIONAL 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 the accessories orattachments for their stated purposes.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• Drill bits• Tungsten-carbide tipped hammer bit• Phillips bit• Slotted bit• Socket bit• Blow-out bulb• Safety goggles• Hook• Bit holder• Makita genuine battery and chargerNOTE:Some items in the list may be included in the toolpackage as standard accessories. They may differ fromcountry to country.