Web at www.dewalt.com | INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO | ANTES DE USAR EL PRODUCTO. |
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Questions? See us in the World Wide | INSTRUCTION MANUAL | GUIDE D'UTILISATION MANUAL DE INSTRUCCIONES |
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| D25940 Demolition Hammer Marteaux de démolition Martillo demoledor |
| DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286 | ||||||
| (MAR04) Form No. | Copyright © 2002, 2004 | |||||
The following are trademarks for one or more DEWALT power tools: the yellow and black color scheme; the “D” shaped air intake grill; the array of pyramids on the handgrip; the kit box con- figuration; and the array of
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS OR ANY DEWALT TOOL, CALL US TOLL FREE AT:
General Safety Rules
WARNING! Read and understand all instructions. Failure to follow all instructions listed below may result in electric shock, fire and/or serious personal injury.
SAVE THESE INSTRUCTIONS
WORK AREA
•Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents.
•Do not operate power tools in explosive atmospheres, such as in the presence of flam- mable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes.
•Keep bystanders, children, and visitors away while operating a power tool. Distractions can cause you to lose control.
ELECTRICAL SAFETY
•Grounded tools must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding prong or modify the plug in any way. Do not use any adapter plugs. Check with a qualified elec- trician if you are in doubt as to whether the outlet is properly grounded. If the tools should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user. Applicable only to Class I (Grounded) tools.
•Double insulated tools are equipped with a polarized plug (one blade is wider than the other.) This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install a polar-
ized outlet. Do not change the plug in any way. Double Insulation 
eliminates the need for the three wire grounded power cord and grounded power supply system. Applicable only to Class ll tools.
•Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded.
•Don’t expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. Other liquids, such as perspiration, present the same haz- ard.
•Do not abuse the cord. Never use the cord to carry the tools or pull the plug from an outlet. Keep cord away from heat, oil, sharp edges or moving parts. Replace damaged cords immediately. Damaged cords increase the risk of electric shock.
•When operating a power tool outside, use an outdoor extension cord marked
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| Minimum Gage for Cord Sets |
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Volts |
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| Total Length of Cord in Feet | ||
120V |
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240V |
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Ampere Rating |
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More | Not more |
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Than | Than |
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12 - | 16 | 14 | 12 | Not Recommended | |
PERSONAL SAFETY
•Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use tool while tired or under the influence of drugs, alcohol, or medica- tion. A moment of inattention while operating power tools may result in serious personal injury.
•Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts. Air vents may cover moving parts and should be avoided as well.
•Avoid accidental starting. Be sure switch is off before plugging in. Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents.
•Remove adjusting keys or wrenches before turning the tool on. A wrench or a key that is left attached to a rotating part of the tool may result in personal injury.
•Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpected situations.
•Use safety equipment. Always wear eye protection. Dust mask,
TOOL USE AND CARE
•Use clamps or other practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against your body is unstable and may lead to loss of control.
•Do not force tool. Use the correct tool for your application. The correct tool will do the job better and safer at the rate for which it is designed.
•Do not use tool if switch does not turn it on or off. Any tool that cannot be controlled with the switch is dangerous and must be repaired.
•Disconnect the plug from the power source before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of start- ing the tool accidentally.
•Store idle tools out of reach of children and other untrained persons. Tools are dan- gerous in the hands of untrained users.
•Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained tools, with sharp cutting edges are less likely to bind and are easier to control.
•Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tools operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly maintained tools.
•Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool, may become hazardous when used on another tool.
SERVICE
•Tool service must be performed only by qualified repair personnel. Service or mainte- nance performed by unqualified personnel could result in a risk of injury.
•When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow mainte- nance instructions may create a risk of electric shock or injury.
Additional Safety Instructions for Demolition Hammers
•Hold tool by insulated gripping surfaces (side handle and rear handles) when per- forming an operation where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the oper- ator.
•Wear safety goggles or other eye protection. Hammering operations cause chips to fly. Flying particles can cause permanent eye damage. Wear a dust mask or respirator for appli- cations that generate dust.
•Keep a firm grip on the tool at all times. Do not attempt to operate this tool without hold- ing it with both hands. It is recommended that the side handle be used at all times. Operating this tool with one hand will result in loss of control. Breaking through or encountering hard materials such as
•Do not operate this tool for long periods of time. Vibration caused by hammer action may be harmful to your hands and arms. Use gloves to provide extra cushion and limit exposure by taking frequent rest periods.
•Do not recondition bits yourself. Chisel reconditioning should be done by an authorized specialist. Improperly reconditioned chisels could cause injury.
•Wear gloves when operating tool or changing bits. Accessible metal parts on the tool and bits may get extremely hot during operation. Small bits of broken material may damage bare hands.
•Never lay the tool down until the bit has come to a complete stop. Moving bits could cause injury.
•Do not strike jammed bits with a hammer to dislodge them. Fragments of metal or mate- rial chips could dislodge and cause injury.
•Slightly worn chisels can be resharpened by grinding.
NOTE: Do not overheat the bit (discoloration) while grinding a new edge. Badly worn chisels require reforging. Do not reharden and temper chisels.
CAUTION: Wear appropriate personal hearing protection during use. Under some con- ditions and duration of use, noise from this product may contribute to hearing loss.
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other con- struction activities contains chemicals known to cause cancer, birth defects or other reproduc- tive harm. Some examples of these chemicals are:
•lead from
•crystalline silica from bricks and cement and other masonry products, and
•arsenic and chromium from
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscop- ic particles.
•Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and other construction activities. Wear protective clothing and wash exposed areas with soap and water. Allowing dust to get into your mouth, eyes, or lay on the skin may pro- mote absorption of harmful chemicals.
WARNING: Use of this tool can generate and/or disburse dust, which may cause serious and permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory protection appropriate for the dust exposure. Direct particles away from face and body.
• The label on your tool may include the following symbols.
V | volts | A | amperes | |||
Hz | hertz | W | watts | |||
min | ............minutes |
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| .................... | alternating current | |
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| direct current | no | no load speed | ||
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| ................ | Class II Construction |
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| ...................... | earthing terminal |
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| .............. | safety alert symbol | .../min | revolutions per minute | ||
OPERATION
Your tool is powered by a DEWALT built motor. Be sure your power supply agrees with name- plate marking.
Voltage decreases of more than 10% will cause loss of power and overheating. All DEWALT tools are factory tested: if this tool does not operate, check the power supply.
Switch (Fig. 1)
The switch on your hammer is designed to
To turn the tool on, press the rear half of the rocker switch (A) upward. To stop the tool, press the forward half of the rocker switch.
Side Handle (Fig. 2)
Side handle may be rotated and angled for most comfortable use.
