Questions? See us in the World Wide Web at www.dewalt.com | INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA DE GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUC- | TIVO ANTES DE USAR EL PRODUCTO. |
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| Heavy Duty Small Angle Grinders Petites rectifieuses coudées de service intensif Esmeriladoras de ángulo pequeño para trabajo pesado |
INSTRUCTION MANUAL | GUIDE D'UTILISATION MANUAL DE INSTRUCCIONES |
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| DW402/DW402G | ||
| DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286 | |||||||
| Printed in U.S.A. | DW402,402G | Copyright © 2002 | |||||
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 Instructions for All Tools
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 acci- dents.
•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.
•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 adaptor plugs. Check with a qualified electician 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 polarized 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 II (double insulated) 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.
•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 dam- aged cords immediately. Damaged cords increase the risk of electric shock.
•When operating a power tool outside, use an outdoor extension cord marked
Recommended Minimum Wire Size for Extension Cords
Total Length of Cord |
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25 ft. | 50 ft. | 75 ft. | 100 ft. | 125 ft. | 150 ft. | 175 ft. |
7.6 m | 15.2 m | 22.9 m | 30.5 m | 38.1 m | 45.7 m | 53.3 m |
Wire Size |
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18 AWG | 18 AWG | 16 AWG | 16 AWG | 14 AWG | 14 AWG | 12 AWG |
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 often cover moving parts and should also be avoided.
•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 bal- ance 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 preventative safety measures reduce the risk of starting 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 anoth- er 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 Maintenance Instructions may create a risk of electric shock or injury.
Additional Specific Safety Instructions for Grinders
•Always use proper guard with grinding wheel. A guard protects operator from broken wheel fragments. Do not use Type 1 abrasive or diamond wheels without proper guarding.
•Accessories must be rated for at least the speed recommended on the tool warning label. Wheels and other accessories running over rated speed can fly apart and cause injury. NEVER use Type II (Flaring Cup Wheels) on this tool.
•Hold tool by insulated gripping surfaces when performing 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 operator.
•Before using, inspect recommended accessory for cracks or flaws. If such a crack or flaw is evident, discard the accessory. The accessory should also be inspected whenever you think the tool may have been dropped.
•When starting the tool (with a new or replacement wheel installed) hold the tool in a well protected area and let it run for one minute. If the wheel has an undetected crack or flaw, it should burst in less than one minute. Never start the tool with a person in line with the wheel. This includes the operator.
•In operation, avoid bouncing the wheel or giving it rough treatment. If this occurs, stop the tool and inspect the wheel.
•Always use Side handle. The side handle should always be used to maintain control of the tool at all times.
•Clean out your tool periodically. Dust and grit containing metal particles often accumulate on interior surfaces and could create an electric shock hazard.
•Never depress the spindle lock pin when the tool is runnung or coasting. Damage to the gear and lock pin will result.
•Always use guards with depressed center grinding wheels.
•Clean your tool out periodically.
CAUTION: Wear appropriate personal hearing protection during use. Under some conditions 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 microscopic 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 promote absorption of harmful chemicals.
•The label on your tool may include the following symbols.
V | volts | A | amperes | ||
Hz | hertz | W | watts | ||
min | ..................minutes | no | alternating current | ||
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| direct current | no load speed | |
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| ...................... | Class II Construction | …/min | revolutions or reciprocation |
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| ...................... | earthing terminal | .................. | per minute |
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SAVE THESE INSTRUCTIONS
Fitting and Removing Guard (Fig. 1)
IMPORTANT: Unplug the tool before fitting or removing the guard. Use the tool without the guard only when sanding or wire brushing.
FITTING GUARD:
1.Loosen screws (A), allowing the guard ring (B) to slide over the gear case hub (C).
2.Lugs on guard ring must align with groove in gear case hub.
3.Tighten screws to securely attach guard to gear case hub.
REMOVING GUARD:
Follow the above procedure n reverse order.
Installing Auxiliary Handle (Fig. 1)
The side handle (D) can be fitted to the left side, right side or top of the gear case in the thread- ed holes, as shown. The side handle should be used at all times to maintain complete control of the tool.
Mounting Grinding Wheels (Fig. 2)
Grinding wheels are available as optional accessories. Before fitting a grinding wheel, disconnect the plug from power source.
1.Locate the inner flange (A) on the machine spindle (B).
2.Place the wheel against the backing flange,(C) centering the grinding wheel on the backing flange pilot.
3.Screw the threaded clamp nut onto the spindle (D).
4.Rotate the spindle by hand while pressing the spindle lock fully until it has found its locking location and holds the spindle still (E).
5.Firmly tighten the threaded flange with the supplied hex wrench (F).