Ryobi P784K Operation Manual 1 - Page 14
Mallet, Chuck, Keyless, Hex Key, Wrench
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5 20 24 24 24 OPERATION CHUCK REMOVAL See Figures 15, 16, and 17. s Lock the switch trigger by placing the direction of rotation selector in center position. See Figure 4. s Insert a 5/16 inch or larger hex key wrench into the chuck of your drill and tighten the chuck jaws securely. s Tap the hex key wrench sharply with a mallet in a clockwise direction. See Figure 15. This will loosen the screw in the chuck for easy removal. s Open chuck jaws and remove hex key wrench. Remove the chuck screw by turning it in a clockwise direction. See Figure 16. Note: The screw has left hand threads. s Insert hex key wrench in chuck and tighten chuck jaws securely. Tap sharply with a mallet in a counterclockwise direction. This will loosen chuck on the spindle. It can now be unscrewed by hand. See Figure 17. TO RETIGHTEN A LOOSE CHUCK The chuck may become loose on spindle and develop a wobble. To tighten, follow these steps: s Lock the switch trigger by placing the direction of rotation selector in center position. See Figure 4. s Open the chuck jaws. s Insert hex key wrench into chuck and tighten chuck jaws securely. Tap hex key wrench sharply with a mallet in a clockwise direction. This will tighten chuck on the spindle. s Open the chuck jaws and remove hex key wrench. s Tighten the chuck screw. Note: The chuck screw has left hand threads. MALLET CHUCK JAWS KEYLESS CHUCK 5 20 HEX KEY WRENCH Fig. 15 Fig. 16 5 20 Page 14 Fig. 17