5To start the tool, simply pull the switch trigger. Tool speedis increased by increasing pressure on the switch trigger.Release the switch trigger to stop.Reversing switch action1002322This tool has a reversing switch to change the rotationaldirection. Press the upper side (FWD side) for clockwise(forward) rotation or the lower side (REV side) forcounterclockwise (reverse) rotation.CAUTION:• Always check the direction of rotation beforeoperation.• Use the reversing switch only after the tool comesto a complete stop. Changing the direction ofrotation before the tool stops may damage the tool.Speed change1002329To change the speed, first switch off the tool and thenslide the speed change lever fully to the "H" side (lowerside) for high speed or to the "L" side (upper side) for lowspeed. Before starting operation, ensure that the speedchange lever is slid fully to the desired side. Select thespeed optimum for your job.CAUTION:• Do not use the speed change lever while the tool isrunning. The tool may be damaged.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on the tool.Installing or removing driver bit or socket bit004521Use only bits that has inserting portion shown in thefigure.Do not use any other driver bit or socket bit.For tool with shallow bit holeA=12mmB=9mmUse only these type of bit. Follow theprocedure (1).(Note) Bit-piece is not necessary.006348For tool with deep bit holeTo install these types of bits, followthe procedure (1).To install these types of bits, followthe procedure (2).(Note) Bit-piece is necessary forinstalling the bit.A=17mmB=14mmA=12mmB=9mm0114051. To install the bit, pull the sleeve in the direction ofthe arrow and insert the bit into the sleeve as far asit will go. Then release the sleeve to secure the bit.1 20114062. To install the bit, pull the sleeve in the direction ofthe arrow and insert the bit-piece and bit into the1. Bit2. Sleeve1. Speed changelever1. Reversingswitch