Cordless Impact Wrench Equipped with Electric Brake 12.7 mm (1/2”) MODEL 6918D 002295 I N S T R U C T I O N M A N U A L WARNING: For your personal safety, READ and UNDERSTAND before using. SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE. w w w. m a k i t a t o o l s.
SPECIFICATIONS Model Capacities 6918D Standard bolt M8 - M14 (5/16” - 9/16”) High tensile bolt M6 - M12 (1/4” - 1/2”) Square drive 12.7 mm (1/2”) No load speed (RPM) 0 - 2,300/min. Impacts per minute 0 - 3,000 Max. fastening torque 120 N.m (88 ft.lbs) Overall length 176 mm (6-29/32”) Net weight 1.6 kg (3.5 lbs) Battery Cartridge Voltage Battery Charger Input Output 12 V DC1414 A. C. only 50 Hz - 60 Hz D. C. 7.2 V - 14.4 V 1222 1234 Charging time 45 min. 1235 60 min. 70 min.
Work Area 1. Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. 2. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes. 3. Keep bystanders, children, and visitors away while operating a power tool. Distractions can cause you to lose control. Electrical Safety 4.
19. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool’s operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly maintained tools. SERVICE 20. Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool may create a risk of injury when used on another tool. 22. When servicing a tool, use only identical replacement parts.
SYMBOLS USD302-1 The followings show the symbols used for tool. .../min................revolutions or reciprocation per minute V ....................... volts ................... direct current n ˚ ................number of blow ................... no load speed IMPORTANT SAFETY INSTRUCTIONS FOR CHARGER & BATTERY CARTRIDGE USC001-3 1. SAVE THESE INSTRUCTIONS - This manual contains important safety and operating instructions for battery charger. 6.
damaged in any way; take it to a qualified serviceman. 11. Do not disassemble charger or battery cartridge; take it to a qualified serviceman when service or repair is required, Incorrect reassembly may result in a risk of electric shock or fire. 12. To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance or cleaning. Turning off controls will not reduce this risk. 14. Young children should be supervised to ensure that they do not play with the battery charger. 15.
FUNCTIONAL DESCRIPTION • 002303 1 2 Installing or removing battery cartridge • Always switch off the tool before insertion or removal of the battery cartridge. • To remove the battery cartridge, withdraw it from the tool while pressing the buttons on both sides of the cartridge. • To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Always insert it all the way until it locks in place with a little click.
NOTE: • The battery charger is for charging Makita battery cartridge. Never use it for other purposes or for other manufacturer’s batteries. • When you charge a new battery cartridge or a battery cartridge which has not been used for a long period of time, it may not accept a full charge. This is a normal condition and does not indicate a problem. You can recharge the battery cartridge fully after discharging it completely and recharging a couple of times.
002317 Switch action • 1 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. 1. Switch trigger Electric brake This tool is equipped with an electric brake.
002341 Installing or removing socket To install the socket, push it onto the anvil of the tool until it locks into place. To remove the socket, simply pull it off. 1 2 1. Socket 2. Anvil OPERATION 002359 Standard bolt N.m (ft. lbs) M14 Hold the tool firmly and place the socket over the bolt or nut. Turn the tool on and fasten for the proper fastening time. (9/16") 80 (58) M14 M12 60 (43) (9/16") (1/2") 40 (29) M12 M10 (1/2") (3/8") M10 20 (14) (3/8") 0 1.0 2.
2. Socket • Failure to use the correct size socket will cause a reduction in the fastening torque. • A worn socket ( wear on the hex end or square end ) will cause a reduction in the fastening torque. 3. Bolt • Even though the torque coefficient and the class of bolt are the same, the proper fastening torque will differ according to the diameter of bolt.
002376 1 2 1. Brush holder cap 2. Screwdriver Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. After replacing brushes, insert the battery cartridge into the tool and break in brushes by running tool with no load for about 1 minute. Then check the tool while running and electric brake operation when releasing the switch trigger. If electric brake is not working well, ask your local Makita service center for repair.
ACCESSORIES • CAUTION: These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose. If you need any assistance for more details regarding these accessories, ask your local Makita service center.
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Cut First-Class Postage Required Post Office will not deliver without proper postage. Makita U.S.A., Inc.
MAIL THIS PORTION Your answers to the following questions are appreciated. 1. This product was purchased from: 3. How did you learn about this product: Other ( Magazine Radio Hardware/Lumber Store From Dealer Exhibition Tool Distributor Newspaper From Friend Industrial Supply Store Display Previous Usage Construction Supply Catalog Other ( Home Center ) 2. Use of the product is intended for: ) 4.
FACTORY SERVICE CENTERS 1-800-4-MAKITA RETAIN THIS PORTION FOR YOUR RECORDS ALABAMA 2365 Pelham Parkway Pelham, AL 35124 (205) 620-1791 COLORADO 11839 E. 51st Ave. Denver, CO 80239-2709 (303) 371-2850 LOUISIANA 5626 Jefferson Hwy. Harahan, LA 70123 (504) 733-4138 ARIZONA 3707 E. Broadway Rd., Ste. 6 Phoenix, AZ 85040 (602) 437-2850 FLORIDA 620 Douglas Ave.
WARNING Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • lead from lead-based paints, • crystalline silica from bricks and cement and other masonry products, and • arsenic and chromium from chemically-treated lumber. Your risk from these exposures varies, depending on how often you do this type of work.