Not hammer knob can be changed you
This is marked with 12345 electronic speed switch is a variable resistor to adjust the motor speed to achieve speed, size and power output to the electric hammer drill bit above the rotation speed of the fan can be understood as the governor that
First of all you have to understand the positive adjustment knob is mechanical adjustment button, the switch knob two function is in hammer and hammer drilling function. You said this idle statement is wrong, you said that is the case in the hammer hammer function under the condition.
