STEP 4

Put the chuck set into shelf adjustment.

 A. Put the chuck set into shelf adjustment. Then connect it tightly. Turn it right to the end.

B. Plug the drill to the end and turn it right to the end.

C. Turn the chuck set right to the end and tighten it. Turn the chuck set to the left and taking it out gently.

  *After having taken out the chuck set, make sure that the point angle of drill is parallel with the slot of fix   clamping nut. If not parallel, adjust again.

 Attention! While the drill is grinded, don't hold the stem of  drill.