Makita HP2040 Instruction Manual

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Contents

6CAUTION:• Always depress the action mode changing buttonall the way to your desired mode position. If youoperate the tool with the button positioned halfwaybetween the mode symbols, the tool may bedamaged.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on thetool.Installing side grip (auxiliary handle)123 4002422Always 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 tighten the grip by turning clockwise at the desiredposition. It may be swung 360° so as to be secured atany position.Installing or removing drill bitFor Model HP204112002462Hold the ring and turn the sleeve counterclockwise toopen the chuck jaws. Place the bit in the chuck as far asit will go. Hold the ring firmly and turn the sleeveclockwise to tighten the chuck.To remove the bit, hold the ring and turn the sleevecounterclockwise.For Model HP2040, HP20421002461To install the bit, place it in the chuck as far as it will go.Tighten the chuck by hand. Place the chuck key in eachof the three holes and tighten clockwise. Be sure totighten all three chuck holes evenly.To remove the bit, turn the chuck key counterclockwisein just one hole, then loosen the chuck by hand.After using the chuck key, be sure to return to theoriginal position.Depth gauge1002443The 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.NOTE:• The depth gauge cannot be used at the positionwhere the depth gauge strikes against the tool body.OPERATIONHammer drilling operationCAUTION:• There is a tremendous and sudden twisting forceexerted on the tool/bit at the time of holebreak-through, when the hole becomes cloggedwith chips and particles, or when strikingreinforcing rods embedded in the concrete. Alwaysuse the side grip (auxiliary handle) and firmly holdthe tool by both side grip and switch handle duringoperations. Failure to do so may result in the lossof control of the tool and potentially severe injury.When drilling in concrete, granite, tile, etc., depress the1. Depth gauge1. Chuck key1. Sleeve2. Ring1. Teeth2. Grip base3. Side grip4. Protrusions

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