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Cordless Impact
Wrench
Equipped with Electric Brake
9.5 mm (3/8”)
MODEL 6991D
12.7 mm (1/2”)
MODEL 6992D
INSTR UCTION MA NU A L
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
www.makitatools.com
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SPECIFICATIONS Model 6991D 6992D Standard bolt M8 - M14 (5/16” - 9/16”) M8 - M14 (5/16” - 9/16”) Capacities High tensile M6 - M10 (1/4” - 3/8”) M6 - M10 (1/4” - 3/8”) bolt Square drive 9.5 mm (3/8”) 12.7 mm (1/2”) No load speed (RPM) 0 - 2,300/min. 0 - 2,300/min. Impacts per minute 0 - 3,000 0 - 3,000 Max. fastening torque 100 N.m (73 ft.lbs) 100 N.m (73 ft.lbs) Overall length 168 mm (6-5/8”) 176 mm (6-29/32”) Net weight 1.3 kg (2.9 lbs) 1.4 kg (3.1 lbs) Battery Cartridge Voltage Battery Charge
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key that is left attached to a rotating part of Work Area the tool may result in personal injury. 1. Keep your work area clean and well lit. 10. Do not overreach. Keep proper footing Cluttered benches and dark areas invite acci- dents. and balance at all times. Proper footing and balance enable better control of the tool in 2. Do not operate power tools in explosive unexpected situations. atmospheres, such as in the presence of 11. Use safety equipment. Always wear eye flammable liquids, gases,
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19. Check for misalignment or binding of SERVICE moving parts, breakage of parts, and any 21. Tool service must be performed only by other condition that may affect the tool’s qualified repair personnel. Service or main- operation. If damaged, have the tool ser- tenance performed by unqualified personnel viced before using. Many accidents are may result in a risk of injury. caused by poorly maintained tools. 22. When servicing a tool, use only identical 20. Use only accessories that are recom- r
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SYMBOLS USD302-1 The followings show the symbols used for tool. V ....................... volts .../min................revolutions or reciprocation per minute ................... direct current ................number of blow ................... no load speed n ˚ IMPORTANT SAFETY INSTRUCTIONS FOR CHARGER & BATTERY CARTRIDGE USC001-3 1. SAVE THESE INSTRUCTIONS - This man- 6. To reduce risk of damage to electric plug ual contains important safety and operat- and cord, pull by plug rather than cor
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damaged in any way; take it to a qualified 14. Young children should be supervised to serviceman. ensure that they do not play with the bat- tery charger. 11. Do not disassemble charger or battery cartridge; take it to a qualified serviceman 15. If operating time has become excessively when service or repair is required, Incor- shorter, stop operating immediately. It rect reassembly may result in a risk of may result in a risk of overheating, possi- electric shock or fire. ble burns and even an
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FUNCTIONAL CAUTION: DESCRIPTION • Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool. 002301 Installing or removing battery cartridge • Always switch off the tool before insertion or removal of 1 the battery cartridge. • To remove the battery cartridge, withdraw it from the tool while pressing the buttons on both sides of the cartridge. 2 • To insert the battery cartridge, align the tongue on the battery cartridge
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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. • If you charge a battery cartridge fro
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002317 Switch action CAUTION: • Before inserting the battery cartridge into the tool, 1 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 1. Switch trigger 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 consis- tently fails to quickly stop after switch tri
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002341 Installing or removing socket To install the socket, push it onto the anvil of the tool until it 1 locks into place. To remove the socket, simply pull it off. 2 1. Socket 2. Anvil 002344 Installing set plate (optional accessory) Always install the set plate when using battery cartridges 1 9100, 9102, 9101A. Install the set plate on the tool with the screw provided. 2 1. Screw 2. Set plate OPERATION 002359 The proper fastening torque may differ depending upon the Standard bolt kind or si
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• If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for 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. 1. When the battery cartridge is discharged almost com- pletely, voltage will drop and the fastening torque will be reduced. 2. Socket • Failure to use the correct size socket will cause a
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002376 Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones and secure 1 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 elec- 2 tric brake operation when releasing the switch trigger. If elec- tric brake is not working well, ask your local Makita service 1. Brush holder cap center for repair. 2.
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First-Class Postage Required Post Office will not deliver without proper postage. Makita U.S.A., Inc. 14930 Northam Street La Mirada, CA 90638-5753 Fold 13 Cut
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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: Home Center Other ( ) Magazine Radio Hardware/Lumber Store From Dealer Exhibition Tool Distributor Newspaper From Friend Industrial Supply Store Display Previous Usage Construction Supply Catalog Other ( ) 2. Use of the product is intended for: 4. Most favored points are: Construction Trade Design Repair Se
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FACTORY SERVICE CENTERS 1-800-4-MAKITA RETAIN THIS PORTION FOR YOUR RECORDS ALABAMA COLORADO KENTUCKY NEW MEXICO PUERTO RICO 2365 Pelham Parkway 11839 E. 51st Ave. 1215 S. Hurstbourne Parkway 5805 Menaul Blvd. NE 200 Guayama St. Pelham, AL 35124 Denver, CO 80239-2709 Louisville, KY 40222 Albuquerque, NM 87110 Hato Rey, PR 00917 (205) 620-1791 (303) 371-2850 (502) 326-3740 (505) 881-4619 (787) 250-8776 ARIZONA CONNECTICUT LOUSIANA NEW YORK TENNESSEE 3707 E. Broadway Rd., Ste. 6 508 Spring St.
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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
