If you have questions or comments, contact us. Pour toute question ou tout commentaire, nous contacter. Si tiene dudas o comentarios, contáctenos. 1-800-4-DeWALT • www.dewalt.com INSTRUCTION MANUAL GUIDE D'UTILISATION MANUAL DE INSTRUCCIONES INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO ANTES DE USAR EL PRODUCTO.
English DWMT70773L 1/2" IMPACT WRENCH HEAVY DUTY A. B. C. D. E. 1/2" Square Drive Trigger Forward/Reverse Switch Ergonomic Handle 1/4” Air Inlet F. Shock Resistant Housing Bumpers G. Composite Body H. Twin Hammer Mechanism I. Exhaust J. Adjustable Power Dial FIG.
The definitions below describe the level of severity for each signal word. Please read the manual and pay attention to these symbols. DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
English WARNING: • Avoid prolonged use: repetitive motion or exposure to vibration may be harmful to your hands or arms. Use gloves to provide extra cushion, take frequent rest periods, and limit daily time of use. • DO NOT Use oxygen or reactive gases; explosion may occur. • DO NOT Exceed air pressure of 90 PSI. • Read all manuals included with this product carefully. Be thoroughly familiar with the controls and the proper use of the equipment.
WHAT CAN HAPPEN • Abrasive tools such as sanders and grinders, rotating tools such as drills, and impact tools such as wrenches, hammers, and reciprocating saws are capable of generating sparks which could result in ignition of flammable materials. • Exceeding the maximum pressure rating of tools accessories could cause an explosion resulting in serious injury.
English WHAT CAN HAPPEN WARNING: RISK OF INJURY WHAT CAN HAPPEN • Tools left unattended, or with the air hose attached can be activated by unauthorized persons leading to their injury or injury to others. • Air tools can propel loose objects or other materials throughout the work area. • Air tools can become activated by accident during maintenance or tool changes. • A wrench or a key that is left attached to a rotating part of the tool increases the risk of personal injury.
WHAT CAN HAPPEN • Improperly maintained tool and accessories can cause serious injury. • There is a risk of bursting if the tool is damaged. • Fasteners could ricochet or be propelled causing serious injury or property damage. WARNING: RISK OF ELETRIC SHOCK HOW TO PREVENT IT • Maintain the tool with care. • Check for misalignment or binding of moving parts, breakage of parts, and any other condition that affects the tool’s operation. If damaged, have the tool serviced before using.
English WARNING: RISK OF CUT OR BURNS WHAT CAN HAPPEN HOW TO PREVENT IT • Tools which cut, shear, • Keep the working part drill, punch, chisel, etc., of the tool away from are capable of causing hands and body. serious injury. WARNING: RISK FROM FLYING OBJECTS WHAT CAN HAPPEN • Air powered equipment and power tools are capable of propelling materials such as metal chips, saw dust, and other debris at high speed, which could result in serious eye injury. HOW TO PREVENT IT • Always wear ANSI Z87.
SAVE THESE INSTRUCTIONS FOR FUTURE USE English WARNING: AIR SUPPLY AND CONNECTIONS • Do not use oxygen, combustible gases, or bottled gases as a power source for this tool as the tool may explode, possibly causing injury. • Do not use supply sources which can potentially exceed 200 PSI (13.8 bar) as tool may burst, possibly causing injury. • The connector on the tool must not hold pressure when air supply is disconnected.
English FEATURES ADJUSTABLE POWER DIAL The dial (J) controls the torque power. Torque increases with larger circle settings. SQUARE DRIVE The 1/2” square drive (A) allows attachment of sockets with a insulation from cold air passing through the handle. HANDLE This air tool has an ergonomic grip (D) made of molded thermoplastic elastomer (TPE) design for improved comfort, D slippage reduction, and better tool control.
INSTALLATION Air Supply Safety Rules For Pneumatic Tools The recommended hook-up is shown in Figure A. Pneumatic tools operate on a wide range of air pressures. For maximum efficiency and longer tool life, the pressure of the air supplied to these tools MUST not exceed the rated PSI at the tool when the tool is running. Using a higher than rated pressure will cause faster wear and drastically shorten the tool’s life. A higher air pressure can also cause an unsafe condition and explosion.
English PREPARATION FOR USE Proper Use Of The Tool Your new 1/2" Drive Impact Wrench is designed for driving, tightening and loosening threaded fasteners, usually nuts and bolts, when fitted with a suitable impact socket. Always use impact-rated extension bars, universal joints and socket adapters between the square output drive of the impact wrench and the female square drive of the socket.
Using an Impact Wrench Continued PRE-START CHECKLIST • Drain water from air compressor tank and condensation from air lines. (Please refer to air compressor’s operation manual.) • Lubricate the tool. (Please refer to the “Maintenance” section in the manual.) • Select the necessary impact sockets. The sockets have to match with the size of the drive on the air impact wrench. • Connect air impact wrench to air source with the hose of recommended size. WARNING: Risk of unsafe operation.
English OPERATING INSTRUCTIONS WARNING: Keep out of the reach of children. If taken internally, do not induce vomiting, call a doctor immediately. WARNING: Any excess oil in the motor is immediately expelled from the exhaust port. Always direct exhaust port away from people or objects. • Securely fit the socket or attachment to the impact wrench. • Ensure that the forward/reverse switch is in the correct position for tightening or loosening the fastener.
CAUTION SEE OWNER’S MANUAL FOR BREAK-IN PROCEDURES. ATENCIÓN WARNING CONSULTEZ LE MANUEL DE L’UTILISATEUR POUR LES PROCEDURES DE RODAGE. ADVERTENCIA LAS CAÍDAS PUEDEN CAUSAR LESIONES GRAVES. NO PISAR NI PARARSE EN ESTA ÁREA. CFM: Cubic feet per minute. AVERTISSEMENT LES CHUTES PEUVENT CAUSER DE GRAVES BLESSURES. NE MARCHEZ PAS ET NE VOUS TENEZ PAS SUR CET EMPLACEMENT. TANK DAILY OR AFTER EACH USE. CONDENSATION BUILD-UP MAY CAUSE CORROSION WARNING DRAIN INSIDE TANK RESULTING IN TANK FAILURE.