Makita LCT209W Owners Manual - Page 6

Adjusting the fastening torque 1. Pointer 2. Adjusting ring 2 3. Graduation 1 3 Hold the tool firmly with one hand on the grip and the other hand on the bottom of the battery cartridge to control the twisting action. Screwdriving operation 009333 The fastening torque can be adjusted in 18 steps by turning the adjusting ring so that its graduations are aligned with the pointer on the tool body. The fastening torque is minimum when the number 1 is aligned with the pointer, and maximum when the marking is aligned with the pointer. The clutch will slip at various torque levels when set at the number 1 to 18. The clutch is designed not to slip at the marking. Before actual operation, drive a trial screw into your material or a piece of duplicate material to determine which torque level is required for a particular application. ASSEMBLY CAUTION: • Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool. Installing or removing driver bit or drill bit 1. Sleeve 1 009331 Turn the sleeve counterclockwise to open the chuck jaws. Place the bit in the chuck as far as it will go. Turn the sleeve clockwise to tighten the chuck. To remove the bit, turn the sleeve counterclockwise. OPERATION CAUTION: • Always insert the battery cartridge all the way until it locks in place. If not, it may accidentally fall out of the tool, causing injury to you or someone around you. 009334 CAUTION: • Adjust the adjusting ring to the proper torque level for your work. Place the point of the driver bit in the screw head and apply pressure to the tool. Start the tool slowly and then increase the speed gradually. Release the switch trigger as soon as the clutch cuts in. CAUTION: • Make sure that the driver bit is inserted straight in the screw head, or the screw and/or bit may be damaged. NOTE: • When driving wood screws, predrill pilot holes to make driving easier and to prevent splitting of the workpiece. See the chart. Nominal diameter of wood screw (mm) 3.1 (1/8") 3.5 (9/64") 3.8 (5/32") Recommended size of pilot hole (mm) 2.0 - 2.2 (5/64" - 3/32") 2.2 - 2.5 (3/32" - 3/32") 2.5 - 2.8 (3/32" - 7/64") 4.5 (11/64") 4.8 (3/16") 5.1 (13/64") 2.9 - 3.2 (7/64" - 1/8") 3.1 - 3.4 (1/8" - 9/64") 3.3 - 3.6 (1/8" - 9/64") 001904 5.5 (7/32") 5.8 (7/32") 6.1 (15/64") 3.7 - 3.9 (9/64" - 5/32") 4.0 - 4.2 (5/32" - 11/64") 4.2 - 4.4 (11/64" - 11/64") Drilling operation First, turn the adjusting ring so that the pointer points to the marking. Then proceed as follows. Drilling in wood When drilling in wood, the best results are obtained with wood drills equipped with a guide screw. The guide screw makes drilling easier by pulling the bit into the workpiece. Drilling in metal To prevent the bit from slipping when starting a hole, make an indentation with a center-punch and hammer at 6