PNI WK450 Manual De Usuario página 4

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 knob to the forward position (screw).
2. Press the button on the display to change the working mode and screwing
speed. 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 selected work mode.
Unscrewing speed control
1. Move the direction control knob to the reverse position (unscrew).
2. Press the button on the display to switch to the working mode marked
with the number 4. The corresponding LED will light up. In this mode, the
duration and speed of unscrewing are standard. No matter how long you
hold down the on/off button, the duration and speed will not change.
User manual
Forward
Position the button on the center to lock the power button
Backward
4