Makita DRT50 Instruction Manual

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Contents

16 ENGLISHSpeed adjusting dialThe rotation speed of the tool can be changed by turn-ing the speed adjusting dial. The table below showsthe number on the dial and the corresponding rotationspeed.► Fig.4: 1. Speed adjusting dialNumber Speed1 10,000 min -12 15,000 min -13 20,000 min -14 25,000 min -15 30,000 min -1NOTICE: If the tool is operated continuously atlow speed for a long time, the motor will get over-loaded, resulting in tool malfunction.NOTICE: When changing the speed dial from "5"to "1", turn the dial counterclockwise. Do not turnthe dial clockwise forcibly.Electronic functionThe tool is equipped with the electronic functions foreasy operation.• Constant speed controlThe speed control function provides the constantrotation speed regardless of load conditions.• Soft startThe soft-start function minimizes start-up shock,and makes the tool start smoothly.Adjusting cutting depthTo adjust the cutting depth, open the lock lever, thenmove the tool base up or down by turning the adjustingscrew. After the adjustment, close the lock lever firmly.► Fig.5: 1. Lock lever 2. Adjusting screwNOTICE: If the tool is not secured after closingthe lock lever, tighten the hex nut, and then closethe lock lever.► Fig.6: 1. Hex nutAdjusting cutting depth with theplunge baseOptional accessory1. Place the tool on the flat surface.2. Select the stopper screw by rotating the stopperbase.► Fig.7: 1. Stopper screw 2. Stopper base3. Loosen the stopper pole fixing nut, then pull up thestopper pole while pressing the feed button.► Fig.8: 1. Stopper pole 2. Fixing nut 3. Feed button4. Push down the tool until the tip of the trimmer bittouches the flat surface, and then turn the fixing lever tosecure the tool.► Fig.9: 1. Fixing lever 2. Trimmer bit5. Press down the stopper pole while pressing thefeed button until it contacts the stopper screw.► Fig.10: 1. Stopper pole 2. Stopper screw 3. Feedbutton6. Slide the depth pointer so that the pointer indi-cates "0" on the scale.► Fig.11: 1. Depth pointer7. Adjust the cutting depth by pulling up the stopperpole while pressing the feed button.► Fig.12: 1. Stopper pole 2. Feed button8. To perform fine adjustment of the cutting depth,turn the dial on the stopper pole so that it indicates "0".► Fig.13: 1. Dial9. Turn the head of the stopper pole to obtain the desireddepth. To increase the depth, turn the head counterclock-wise. To decrease the depth, turn the head clockwise.► Fig.14: 1. Head of the stopper pole10. Tighten the stopper pole fixing nut.► Fig.15: 1. Fixing nut11. Release the fixing lever.► Fig.16: 1. Fixing leverASSEMBLYCAUTION: Always be sure that the tool isswitched off and the battery cartridge is removedbefore carrying out any work on the tool.Installing or removing trimmer bitNOTICE: Do not tighten the collet nut withoutinserting the bit. The collet cone may break.Insert the trimmer bit all the way into the collet cone. Pressthe shaft lock and tighten the collet nut with the wrench ortighten the collet nut securely with the two wrenches. Toremove the bit, follow the installation procedure in reverse.► Fig.17: 1. Shaft lock 2. Loosen 3. Tighten4. Wrench 5. Collet nut► Fig.18: 1. Wrench 2. Loosen 3. Tighten 4. Collet nutNOTE: The shaft lock may not return to the originalposition when you tighten the collet nut at the instal-lation of the trimmer bit. The shaft lock returns to theoriginal position when you start the tool.► Fig.19: 1. Shaft lockInstalling or removing the trimmerbase1. Open the lock lever of the trimmer base, theninsert the tool into the trimmer base aligning the grooveon the tool with the protrusion on the trimmer base.► Fig.20: 1. Lock lever2. Close the lock lever.3. Attach the dust nozzle to the trimmer base, andthen tighten the thumb screw.

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Makita DRT50 Instruction Manual

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