Press the Mounting Handle slightly, push the Drilling Handle to the left end
side, adjust the Ground Bit Inserts (use of Chuck Key) at the center posi-
tion and make sure that the distance between two ends of Ground Bit
Inserts is about 1 mm. (See Figure 3)
Caution:
Please mention that this step must be done before operation, otherwise
two ends of Ground Bit Inserts will collide and damage when drilling.
Step 5.
Figure 3
Figure 4
Step 6.
Open the Power Source Cover of the Driving Motor. Connect the input
power cables and adjust the suitable input voltage that adopted in local-
ized voltage standard by arranging the metal strips. (See Figure 4)
