Makita BHP448 Instruction Manual

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Contents

Makita BHP448 Instruction Manual Manual pdf 7 page image

7NOTE:• Use a dry cloth to wipe the dirt off the lens of lamp.Be careful not to scratch the lens of lamp, or it maylower the illumination.Reversing switch action1A B012701This tool has a reversing switch to change the directionof rotation. Depress the reversing switch lever from the Aside for clockwise rotation or from the B side forcounterclockwise rotation.When the reversing switch lever is in the neutral position,the switch trigger cannot be pulled.CAUTION:• Always check the direction of rotation beforeoperation.• Use the reversing switch only after the tool comes toa complete stop. Changing the direction of rotationbefore the tool stops may damage the tool.• When not operating the tool, always set thereversing switch lever to the neutral position.Speed change1012702To change the speed, first switch off the tool and thenslide the speed change lever to the "2" side for highspeed or, "1" side for low speed. Be sure that the speedchange lever is set to the correct position beforeoperation. Use the right speed for your job.CAUTION:• Always set the speed change lever fully to thecorrect position. If you operate the tool with thespeed change lever positioned halfway betweenthe "1" side and , "2" side, the tool may bedamaged.• Do not use the speed change lever while the tool isrunning. The tool may be damaged.Selecting the action mode12012736This tool employs an action mode changing ring. Selectone of the three modes suitable for your work needs byusing this ring.For rotation only, turn the ring so that the arrow on thetool body points toward the mark on the ring.For rotation with hammering, turn the ring so that thearrow points toward the mark on the ring.For rotation with clutch, turn the ring so that the arrowpoints toward the mark on the ring.CAUTION:• Always set the ring correctly to your desired modemark. If you operate the tool with the ringpositioned halfway between the mode marks, thetool may be damaged.Adjusting the fastening torque(screwdriver mode " ")1 23012735The fastening torque can be adjusted in 21 steps byturning the adjusting ring so that its graduations arealigned with the pointer on the tool body.First, slide the action mode change lever to the positionof symbol.The fastening torque is minimum when the number 1 isaligned with the pointer, and maximum when themarking is aligned with the pointer. The clutch will slip atvarious torque levels when set at the number 1 to 21.Before actual operation, drive a trial screw into yourmaterial or a piece of duplicate material to determinewhich torque level is required for a particular application.1. Adjusting ring2. Graduation3. Arrow1. Action modechanging ring2. Arrow1. Speed changelever1. Reversingswitch lever