Ryobi P212 English Manual - Page 18

OPERATION INSTALLING BITS See Figure 16 - 17.  Lock the switch trigger by placing the direction of rotation selector in the center position.  Open or close the chuck jaws to a point where the open- ing is slightly larger than the bit size you intend to use. Also, raise the front of the drill slightly to keep the bit from falling out of the chuck jaws.  Insert the drill bit.  Tighten the chuck jaws on the drill bit. WARNING: Make sure to insert the drill bit straight into the chuck jaws. Do not insert the drill bit into the chuck jaws at an angle then tighten, as shown in figure 17. This could cause the drill bit to be thrown from the drill, resulting in possible serious personal injury or damage to the chuck.  Rotate the chuck clockwise to tighten the chuck jaws securely on the bit. NOTE: Rotate the chuck body in the direction of the arrow marked LOCK to tighten the chuck jaws. Do not use a wrench to tighten or loosen the chuck jaws. REMOVING BITS See Figure 16 .  Lock the switch trigger by placing the direction of rotation selector in the center position.  Rotate the chuck sleeve clockwise to open the chuck jaws. NOTE: Rotate the chuck body in the direction of the arrow marked UNLOCK to loosen the chuck jaws. Do not use a wrench to tighten or loosen the chuck jaws.  Remove the drill bit. CHUCK JAWS UNLOCK (RELEASE) DRILL BIT LOCK (TIGHTEN) RIGHT WRONG CHUCK SLEEVE Fig. 16 Fig. 17 18