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The battery cartridge will cool faster if you remove the battery cartridge from the battery charger. • If the charging light flashes alternately in green and red color, charging is not possible. The terminals on the charger or battery cartridge are clogged with dust or the battery cartridge is worn out or damaged. Trickle charge (Maintenance charge) If you leave the battery cartridge in the charger to prevent spontaneous discharging after full charge, the charger will switch into its “trickle charge (maintenance charge)” mode and keep the battery cartridge fresh and fully charged. Tips for maintaining maximum battery life 1. Charge the battery cartridge before completely discharged. Always stop tool operation and charge the battery cartridge when you notice less tool power. 2. Never recharge a fully charged battery cartridge. Overcharging shortens the battery service life. 3. Charge the battery cartridge with room temperature at 10°C - 40°C (50°F - 104°F). Let a hot battery cartridge cool down before charging it. 4. Charge the Nickel Metal Hydride battery cartridge when you do not use it for more than six months. 004369 004369 CAUTION: • Before inserting the battery cartridge into the tool, always check to see that the switch trigger actuates properly and returns to the “OFF” position when released. To start the tool, simply pull the switch trigger. Tool speed is increased by increasing pressure on the switch trigger. Release the switch trigger to stop. Electric brake This tool is equipped with an electric brake. If the tool consistently fails to quickly stop after switch trigger release, have tool serviced at a Makita service center. Lighting up the front lamp CAUTION: Do not look in the light or see the source of light directly. Pull the switch trigger to light up the lamp. The lamp keeps on lighting while the switch trigger is being pulled. 1. Lamp • Use a dry cloth to wipe the dirt off the lens of lamp. Be careful not to scratch the lens of lamp, or it may lower the illumination. 004343 Reversing switch action This tool has a reversing switch to change the direction of rotation. Depress the reversing switch lever from the A side for clockwise rotation or from the B side for counterclockwise rotation. When the reversing switch lever is in the neutral position, the switch trigger cannot be pulled. CAUTION: • Always check the direction of rotation before operation. • Use the reversing switch only after the tool comes to a complete stop. Changing the direction of rotation before the tool stops may damage the tool. • When not operating the tool, always set the reversing switch lever to the neutral position. 1 1. Switch trigger • NOTE: 1 004370 1. Reversing switch lever A B 1 1 ASSEMBLY 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. Selecting correct socket Always use the correct size socket for bolts and nuts. An incorrect size socket will result in inaccurate and inconsistent fastening torque and/or damage to the bolt or nut. 004371 Installing or removing socket Align the hole in the side of the socket with the detent pin on the anvil and push it onto the anvil of the tool until it locks into place. Tap it lightly if required. To remove the socket, simply pull it off. 1 2 1. Socket 2. Anvil OPERATION OPERATION Standard bolt M16 kind or size of the bolt, the material of the workpiece to be . N m140 . (1428) (kgf cm) fastened, etc. The relation between fastening torque and fas 120 (1224) tening time is shown in the figures. M16 100 (1020) Hold the tool firmly and place the socket over the bolt or nut. M14 M12 M10 40 20 01.0 2.0 3.0 (S) 80 Turn the tool on and fasten for the proper fastening time. Fastening torque (816) M14 Proper fastening torque NOTE: • When fastening screw M8 (5/16”) or smaller, carefully adjust pressure on the switch trigger so that the screw is not damaged. • Hold the tool pointed straight at the bolt or nut. 60 (612) M12 (408) M10 (204) Fastening time 004374 High tensile bolt N m . . (kgf cm) 140 (1428) M12 • Excessive fastening torque may damage the bolt/nut or socket. Before starting your job, always perform a test operation to determine the proper fastening time for your bolt or nut. Especially for the bolt smaller than M8 (5/16”), perform the above test operation to prevent the trouble on socket or bolt, etc. • If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for Proper fastening torque 120 (1224) M10 M8 Fastening torque M12 100 (1020) 80 (816) 15 minutes before proceeding with a fresh battery. The fastening torque is affected by a wide variety of factors including the following. After fastening, always check the torque with a torque wrench. 60 M10 (612) 40 (408) M8 20 (204) 0 1.0 2.0 3.0 4.0 5.0(S) 1. When the battery cartridge is discharged almost com- Fastening time pletely, voltage will drop and the fastening torque will be reduce...