Makita DHR164 Instruction Manual

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8CAUTION:• Do not rotate the action mode changing knobwhen the tool is running. The tool will be damaged.• To avoid rapid wear on the mode changemechanism, be sure that the action modechanging knob is always positively located in oneof the action mode positions.Torque limiterThe torque limiter will actuate when a certain torquelevel is reached. The motor will disengage from theoutput shaft. When this happens, the bit will stop turning.CAUTION:• As soon as the torque limiter actuates, switch offthe tool immediately. This will help preventpremature wear of the tool.• Hole saws cannot be used with this tool. Theytend to pinch or catch easily in the hole. This willcause the torque limiter to actuate too frequently.ASSEMBLYCAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before carrying outany work on the tool.Side grip (auxiliary handle)612 3 4 5007370CAUTION:• Always use the side grip to ensure operating safety.Install the side grip so that the teeth on the grip fit inbetween the protrusions on the tool barrel. Then tightenthe grip by turning clockwise at the desired position. Itmay be swung 360° so as to be secured at any position.Bit greaseCoat the bit shank head beforehand with a smallamount of bit grease (about 0.5 -1 g). This chucklubrication assures smooth action and longer service life.Installing or removing the bitClean the bit shank and apply bit grease beforeinstalling the bit.12001296Insert the bit into the tool. Turn the bit and push it in untilit engages.12007372If the bit cannot be pushed in, remove the bit. Pull thechuck cover down a couple of times. Then insert the bitagain. Turn the bit and push it in until it engages.After installing, always make sure that the bit is securelyheld in place by trying to pull it out.To remove the bit, pull the chuck cover down all the wayand pull the bit out.12007373Depth gauge1015183The depth gauge is convenient for drilling holes ofuniform depth. Loosen the side grip and insert the depthgauge into the hole in the side grip. Adjust the depthgauge to the desired depth and tighten the side grip.1. Depth gauge1. Bit2. Chuck cover1. Bit2. Chuck cover1. Bit shank2. Bit grease1. Grip base2. Side grip3. Loosen4. Tighten5. Teeth6. Protrusion