Turn on and Turn off
1. Press and hold the On/Off button to start the impact wrench. The head of
the impact wrench will rotate in the direction set by the direction control
button. The LED indicator light will stay lit as long as the button is pressed.
2. To stop the impact wrench, release the button.
Screwing speed control
1. Move the direction control button to the forward position (screw).
2. Press the red button (FUNCTION SWITCHING KEY) to change
between LARGE (maximum speed 4000rpm) and SMALL (maximum
speed 3200rpm). The corresponding LED will light up.
3. To change the screwing speed, press harder or lighter on the On/Off button.
When the button is pressed to the maximum, the speed is maximum,
depending on the setting made (LARGE or SMALL).
Unscrewing speed control
1. Move the direction control knob to the reverse position (unscrew).
2. Press the red button (FUNCTION SWITCHING KEY) to switch to
SMALL mode. The corresponding LED will light up. In this mode, the
duration and speed of unscrewing are standard. No matter how long you
User manual
Forward
Position the button on the center to lock the power button
Backward
4