Makita HR2641X1 HR2631F Instruction Manual - Page 11

• Always secure small workpieces in a vise or similar hold-down device. Set the action mode changing knob to the symbol. You can drill up to 13 mm diameter in metal and up to 32 mm diameter in wood. For Model HR2631F, HR2641, HR2630 1. Drill chuck assembly (optional accessory) 1 015357 Use the drill chuck assembly (optional accessory). When installing it, refer to "Installing or removing the bit" described on the previous page. 1. Chuck key 1 015358 To install the bit, place it in the chuck as far as it will go. Tighten the chuck by hand. Place the chuck key in each of the three holes and tighten clockwise. Be sure to tighten all three chuck holes evenly. To remove the bit, turn the chuck key counterclockwise in just one hole, then loosen the chuck by hand. For Model HR2631FT, HR2630T 3 1 2 1. Quick change chuck for SDSplus 2. Change cover line 3. Change cover 1 2 1. Spindle 2. Quick change drill chuck 3. Change cover line 4. Change cover 3 4 015340 Use the quick change drill chuck as standard equipment. When installing it, refer to "changing the quick change chuck for SDS-plus " described on the previous page. 1. Quick change 2 drill chuck 2. Sleeve 3. Ring 1 3 015363 Hold the ring and turn the sleeve counterclockwise to open the chuck jaws. Place the bit in the chuck as far as it will go. Hold the ring firmly and turn the sleeve clockwise to tighten the chuck. To remove the bit, hold the ring and turn the sleeve counterclockwise. Diamond core drilling CAUTION: • If performing diamond core drilling operations using "rotation with hammering" action, the diamond core bit may be damaged. When performing diamond core drilling operations, always set the change lever to the position to use "rotation only" action. Operation when using the dust cup (optional accessory) 1. Dust cup 1 015339 015359 Operate the tool with the dust cup against the ceiling surface. 11