Plug in the electric cord of the transformer to the main electric outlet
Turn on the on/off switch on the transformer. (machine should be at the lowest speed when turning on)
Select the desired speed by turning the variable speed control knob on the transformer
The black switch in front of the transformer, next to the speed control selection knob is for forward and reverse rotation direction
To use the foot pedal control, connect the end of the cord from the foot pedal to the out put hole at the front of the transformer and press down on the foot pedal
To secure the bits: push in the desired bit firmly into the hole at the rotating head of the hand piece until the second lock click. (please note the bit has to pass through)
To remove the bits: turn off the machine and gently pull the bit out.