5FUNCTIONALDESCRIPTION CAUTION:• Always be sure that the tool is switched off and unplugged beforeadjusting or checking function on the tool.Switch actionCAUTION:• Before plugging in the tool, always check to see that the switch triggeractuates properly and returns to the “OFF” position when released.To start the tool, simply pull the switch trigger. Tool speed is increased byincreasing pressure on the switch trigger. Release the switch trigger to stop.For continuous operation, pull the switch trigger and then slide the lock leverupward.To stop the tool from the locked position, pull the switch trigger fully, thenrelease it.Reversing switch actionThis tool has a reversing switch to change the direction of rotation. Press theupper side (FWD side) of the reversing switch for clockwise rotation or thelower side (REV side) of the reversing switch for counterclockwise rotation.CAUTION:• Always check the direction of rotation before operation.• Use the reversing switch only after the tool comes to a complete stop.Changing the direction of rotation before the tool stops may damage thetool.Selecting the action modeThis tool employs an action mode changing knob. Select one of the threemodes suitable for your work needs by using this knob.For rotation only, turn the knob so that the arrow on the knob points toward thesymbol on the tool body.For hammering only, turn the knob so that the arrow on the knob points towardthe symbol on the tool body.For rotation with hammering, turn the knob so that the arrow on the knobpoints toward the symbol on the tool body.NOTE:• When it is hard to turn the knob, pull the switch trigger halfway forrunning at low speed and turn the knob.Torque limiterThe torque limiter will actuate when a certain torque level is reached. Themotor will disengage from the output shaft. When this happens, the bit will stopturning.CAUTION:• As soon as the torque limiter actuates, switch off the tool immediately.This will help prevent premature wear of the tool.• Hole saws, core bits, diamond core bits, etc. cannot be used with thistool. They tend to pinch or catch easily in the hole. This will cause thetorque limiter to actuate too frequently.1. Switch trigger2. Lock lever120031061. Reversing switch10031141. Action mode changing knob1003123