Makita DTP131 Instruction Manual

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10• Do not use the speed change lever while the tool isrunning. The tool may be damaged.• Do not force the lever to “1” side with impact drivermode. The tool may be damaged.To change the speed, first switch off the tool and thenslide the speed change lever to the “2” side for high speedor “1” side for low speed. Be sure that the speed changelever is set to the correct position before operation. Usethe right speed for your job.When turning the action mode changing ring to impactdriver mode, set the speed change lever to the “2” side.Selecting the action mode (Fig. 9)This tool employs an action mode changing ring. Selectone of the 4 modes suitable for your work need by turningthis ring.When driving wood screws or bolts, point the arrow at themark for impact driver mode. The impact force can beadjusted on the LED display.When drilling into concrete or tiles, point the arrow at themark for hammer drill mode.When drilling into wood or metal, point the arrow at themark for drill mode.When driving small wood screws or machine screws,point the arrow at the mark for screwdriver mode. Thefastening torque can be adjusted on the LED display.CAUTION:• Always set the arrow correctly to either mode mark. Ifyou operate the tool with the action mode changing ringpositioned halfway between the mode marks, the toolmay be damaged.• When turning the action mode changing ring, makesure that the tool stops. If the ring does not easilymove, pull the switch trigger slightly to rotate thespindle and then move the ring.• In the hammer drill mode or drill mode, the blowingforce or torque is not adjustable. In those modes, thenumber on the LED display will be off.Changing the impact force (impact driver mode) (Fig. 10)014262The impact force can be changed in three steps: hard,medium and soft.This allows a tightening suitable to the work.Every time the button is pressed, the impact forcegrade changes in three steps.You can change the impact force within approximatelyone minute after releasing the switch trigger.NOTE:• During the operation of switch trigger, the impact forcegrade cannot be changed.Changing the torque setting (screwdrivermode)The fastening torque can be adjusted by pressing thebutton in screwdriver mode.The numbers on the LED display shows torque setting.The fastening torque is minimum at the number 1 andmaximum at the number 9. The indication “P” is a specialmode for fastening self drilling screws.Every time the button is pressed, the torque settingchanges from 1 to 9 and P, and then returns to 1.The torque setting changes fast by keeping pressing thebutton.P mode is suitable for fastening self drilling screws intosteel plates in the following conditions.• With speed change lever at “2” side, fastening max. 4mm screw into total max. 3.2 mm steel plates.• With speed change lever at “1” side, fastening max. 5mm screw.Before an actual operation, drive a trial screw into yourmaterial or a piece of duplicate material to determinewhich torque level is required for a particular application.First, try to fasten the screw at “1”. Then increase thenumber to continue fastening. Hold the tool firmly duringoperation.CAUTION:• Don't fasten the machine screw on P mode. It may twistyour wrist suddenly and result in personal injury.Impact force gradedisplayed on panelMaximum blows Application WorkDTP131 DTP141Hard3,200 (min -1 ) 3,200 (min -1) Tightening when force andspeed are desired.Tightening in underwordmaterial / Tightening longscrews / Tightening bolts.Medium2,400 (min -1 ) 2,400 (min -1) Tightening when a goodfinishing is needed.Tightening in the finishingboard, plaster board.Soft1,200 (min -1 ) 1,200 (min -1)Tightening when excessivetightening need to be avoidedbecause of potentially cloggedfemale screw and broken ordamaged screw head.Tightening sash screw /Tightening small screws suchas M6.