Ryobi P815 Trilingual (P206) - Page 15

24 24 24 MAINTENANCE CHUCK REMOVAL See Figures 13 - 15. The chuck may be removed and replaced by a new one.  Lock the switch trigger by placing the direction of rotation selector in center position.  Insert a 5/16 in. or larger hex key into the chuck of the drill and tighten the chuck jaws securely.  Tap the hex key sharply with a mallet in a clockwise direction. This will loosen the screw in the chuck for easy removal.  Open the chuck jaws and remove the hex key. Using a screwdriver, remove the chuck screw by turning it in a clockwise direction. NOTE: The chuck screw has left hand threads.  Insert the hex key into the chuck and tighten the chuck jaws securely. Tap sharply with a mallet in a counterclockwise direction. This will loosen the chuck on the spindle. It can now be unscrewed by hand. TO RETIGHTEN A LOOSE CHUCK The chuck may become loose on the spindle and develop a wobble. Also, the chuck screw may become loose, causing the chuck jaws to bind and prevent them from closing. To tighten:  Lock the switch trigger by placing the direction of rotation selector in the center position.  Open the chuck jaws.  Insert the hex key into the chuck and tighten the chuck jaws securely. Tap the hex key sharply with a mallet in a clockwise direction. This will tighten the chuck on the spindle.  Open the chuck jaws and remove the hex key.  Tighten the chuck screw. CHUCK JAWS HEX KEY SCREWDRIVER MALLET 5 20 KEYLESS CHUCK Fig. 13 MALLET Fig. 14 5 20 5 20 HEX KEY 15 Fig. 15