DeWalt DCG412B Manuel utilisateur

Marque: DeWalt

Modèle: DCG412B

Taper: Manuel utilisateur

Ce manuel convient également à

DCG412P2

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1-800-4-DeWALT

Instruction Manual

Guide D’utilisation

Manual de instrucciones

DCG412

20V Max* Cordless Grinder

Meuleuse sans fil 20V max*

Esmeriladora inalámbrica de 20V Máx*

final page size: 8.5 x 5.5 in

ENGLISH

English (original instructions) 1

Français (traduction de la notice d’instructions originale) 17

Español (traducido de las instrucciones originales) 36

ENGLISH

English (original instructions)

Definitions: Safety Alert Symbols and Words

This instruction manual uses the following safety alert symbols and words to alert you to hazardous situations and your risk

of personal injury or property damage.



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.



(Used without word) Indicates a safety related message.

NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in propertydamage.



WARNING: Read all safety warnings and all

instructions. Failure to follow the warnings and

instructions may result in electric shock, fire and/or

seriousinjury.

WARNING: To reduce the risk of injury, read the

instructionmanual.

If you have any questions or comments about this or

any

DeWALT

tool, call us toll free at:

1-800-4-

DeWALT

(1-800-433-9258).

Trigger switch

Lock-off button

Spindle lock button

Spindle

Side handle

Unthreaded backing flange

Threaded locking flange

Type 27 Guard (4.5"/115 mm)

Guard release lever

Battery pack

Battery release button

Fig. A

2 13

ENGLISH

GENERAL POWER TOOL SAFETY WARNINGS



WARNING: Read all safety warnings,

instructions, illustrations and specifications

provided with this power tool. Failure to follow all

instructions listed below may result in electric shock,

fire and/or seriousinjury.

SAVE ALL WARNINGS AND

INSTRUCTIONS FOR FUTURE

REFERENCE

The term “power tool” in the warnings refers to your mains-

operated (corded) power tool or battery-operated (cordless)

powertool.

1) Work Area Safety

a ) Keep work area clean and well lit. Cluttered or dark

areas inviteaccidents.

b ) 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.

c ) Keep children and bystanders away while

operating a power tool. Distractions can cause you

to losecontrol.

2) Electrical Safety

a ) Power tool plugs must match the outlet. Never

modify the plug in any way. Do not use any

adapter plugs with earthed (grounded) power

tools. Unmodified plugs and matching outlets will

reduce risk of electricshock.

b ) Avoid body contact with earthed or grounded

surfaces such as pipes, radiators, ranges and

refrigerators. There is an increased risk of electric

shock if your body is earthed orgrounded.

c ) Do not expose power tools to rain or wet

conditions. Water entering a power tool will increase

the risk of electricshock.

d ) Do not abuse the cord. Never use the cord for

carrying, pulling or unplugging the power tool.

Keep cord away from heat, oil, sharp edges or

moving parts. Damaged or entangled cords increase

the risk of electricshock.

e ) When operating a power tool outdoors, use an

extension cord suitable for outdoor use. Use of

a cord suitable for outdoor use reduces the risk of

electricshock.

f ) If operating a power tool in a damp location

is unavoidable, use a ground fault circuit

interrupter (GFCI) protected supply. Use of a GFCI

reduces the risk of electricshock.

3) Personal Safety

a ) Stay alert, watch what you are doing and use

common sense when operating a power tool. Do

not use a power tool while you are tired or under

the influence of drugs, alcohol or medication. A

moment of inattention while operating power tools

may result in serious personalinjury.

b ) Use personal protective equipment. Always wear

eye protection. Protective equipment such as dust

mask, non-skid safety shoes, hard hat, or hearing

protection used for appropriate conditions will reduce

personalinjuries.

c ) Prevent unintentional starting. Ensure the

switch is in the off position before connecting to

power source and/or battery pack, picking up or

carrying the tool. Carrying power tools with your

finger on the switch or energizing power tools that

have the switch on invitesaccidents.

d ) Remove any adjusting key or wrench before

turning the power tool on. A wrench or a key left

attached to a rotating part of the power tool may

result in personalinjury.

e ) Do not overreach. Keep proper footing and

balance at all times. This enables better control of

the power tool in unexpectedsituations.

f ) Dress properly. Do not wear loose clothing or

jewelry. Keep your hair, clothing and gloves

away from moving parts. Loose clothes, jewelry or

long hair can be caught in movingparts.

g ) If devices are provided for the connection of dust

extraction and collection facilities, ensure these

are connected and properly used. Use of dust

collection can reduce dust-relatedhazards.

h ) Do not let familiarity gained from frequent use

of tools allow you to become complacent and

ignore tool safety principles. A careless action can

cause severe injury within a fraction of asecond.

4) Power Tool Use and Care

a ) Do not force the power tool. Use the correct

power tool for your application. The correct power

tool will do the job better and safer at the rate for

which it wasdesigned.

b ) Do not use the power tool if the switch does not

turn it on and off. Any power tool that cannot be

controlled with the switch is dangerous and must

berepaired.

c ) Disconnect the plug from the power source and/

or remove the battery, pack if detachable, from

the power tool before making any adjustments,

changing accessories, or storing power tools.

Such preventive safety measures reduce the risk of

starting the power toolaccidentally.

d ) Store idle power tools out of the reach of children

and do not allow persons unfamiliar with the

power tool or these instructions to operate the

power tool. Power tools are dangerous in the hands

of untrainedusers.

e ) Maintain power tools and accesories. Check

for misalignment or binding of moving parts,

breakage of parts and any other condition

that may affect the power tool’s operation. If

damaged, have the power tool repaired before

use. Many accidents are caused by poorly maintained

powertools.

f ) Keep cutting tools sharp and clean. Properly

maintained cutting tools with sharp cutting edges are

less likely to bind and are easier tocontrol.

g ) Use the power tool, accessories and tool bits, etc.

in accordance with these instructions, taking

into account the working conditions and the

ENGLISH

work to be performed. Use of the power tool for

operations different from those intended could result

in a hazardoussituation.

h ) Keep handles and grasping surfaces dry, clean

and free from oil and grease. Slippery handles and

grasping surfaces do not allow for safe handling and

control of the tool in unexpectedsituations.

5) Battery Tool Use and Care

a ) Recharge only with the charger specified by the

manufacturer. A charger that is suitable for one type

of battery pack may create a risk of fire when used

with another batterypack.

b ) Use power tools only with specifically designated

battery packs. Use of any other battery packs may

create a risk of injury andfire.

c ) When battery pack is not in use, keep it away

from other metal objects, like paper clips, coins,

keys, nails, screws, or other small metal objects,

that can make a connection from one terminal to

another. Shorting the battery terminals together may

cause burns or afire.

d ) Under abusive conditions, liquid may be ejected

from the battery; avoid contact. If contact

accidentally occurs, flush with water. If liquid

contacts eyes, additionally seek medical help.

Liquid ejected from the battery may cause irritation

orburns.

e ) Do not use a battery pack or tool that is

damaged or modified. Damaged or modified

batteries may exhibit unpredictable behavior

resulting in fire, explosion or risk of injury."

f ) Do not expose a battery pack or tool to

fire or excessive temperature. Exposure to

fire or temperature above 265 °F (129 °C) may

causeexplosion."

g ) Follow all charging instructions and do not

charge the battery pack or tool outside the

temperature range specified in the instructions.

Charging improperly or at temperatures outside the

specified range may damage the battery and increase

the risk of fire.

6) Service

a ) Have your power tool serviced by a qualified

repair person using only identical replacement

parts. This will ensure that the safety of the power

tool ismaintained.

b ) Never service damaged battery packs. Service

of battery packs should only be performed by the

manufacturer or authorized serviceproviders.

SAFETY INSTRUCTIONS FOR ALL OPERATIONS

Safety Warnings Common for Grinding,

Sanding, Wire Brushing, Polishing or

Abrasive Cutting-Off Operations

a ) This power tool is intended to function as a

grinder, sander, wire brush, polisher or cut-off

tool. Read all safety warnings, instructions,

illustrations and specifications provided with

this power tool. Failure to follow all instructions

listed below may result in electric shock, fire and/or

seriousinjury.

b ) Do not use accessories which are not specifically

designed and recommended by the tool

manufacturer. Just because the accessory can

be attached to your power tool, it does not assure

safeoperation.

c ) The rated speed of the accessory must be at least

equal to the maximum speed marked on the

power tool. Accessories running faster than their

rated speed can break and flyapart.

d ) The outside diameter and the thickness of your

accessory must be within the capacity rating of

your power tool. Incorrectly sized accessories cannot

be adequately guarded orcontrolled.

e ) Threaded mounting of accessories must match

the grinder spindle thread. For accessories

mounted by flanges, the arbor hole of the

accessory must fit the locating diameter of the

flange. Accessories that do not match the mounting

hardware of the power tool will run out of balance,

vibrate excessively and may cause loss ofcontrol.

f ) Do not use a damaged accessory. Before each

use inspect the accessory such as abrasive

wheels for chips and cracks, backing pad for

cracks, tear or excess wear, wire brush for loose

or cracked wires. If power tool or accessory

is dropped, inspect for damage or install an

undamaged accessory. After inspecting and

installing an accessory, position yourself and

bystanders away from the plane of the rotating

accessory and run the power tool at maximum

no-load speed for one minute. Damaged

accessories will normally break apart during this

testtime.

g ) Wear personal protective equipment. Depending

on application, use face shield, safety goggles or

safety glasses. As appropriate, wear dust mask,

hearing protectors, gloves and workshop apron

capable of stopping small abrasive or workpiece

fragments. The eye protection must be capable

of stopping flying debris generated by various

operations. The dust mask or respirator must

be capable of filtrating particles generated by

your operation. Prolonged exposure to high intensity

noise may cause hearingloss.

h ) Keep bystanders a safe distance away from work

area. Anyone entering the work area must wear

personal protective equipment. Fragments of

workpiece or of a broken accessory may fly away and

cause injury beyond immediate area ofoperation.

i ) Hold the power tool by insulated gripping

surfaces only, when performing an operation

where the cutting accessory may contact hidden

wiring. Cutting accessory contacting a “live” wire

may make exposed metal parts of the power tool “live”

and could give the operator an electric shock.

ENGLISH

j ) Never lay the power tool down until the

accessory has come to a complete stop. The

spinning accessory may grab the surface and pull the

power tool out of yourcontrol.

k ) Do not run the power tool while carrying it at

your side. Accidental contact with the spinning

accessory could snag your clothing, pulling the

accessory into yourbody.

l ) Regularly clean the power tool’s air vents. The

motor’s fan will draw the dust inside the housing and

excessive accumulation of powdered metal may cause

electricalhazards.

m ) Do not operate the power tool near flammable

materials. Sparks could ignite thesematerials.

n ) Do not use accessories that require liquid

coolants. Using water or other liquid coolants may

result in electrocution orshock.

o ) Do not use Type 11 (flaring cup) wheels on this

tool. Using inappropriate accessories can result

ininjury.

p ) Always use side handle. Tighten the handle

securely. The side handle should always be used to

maintain control of the tool at alltimes.

q ) When starting the tool with a new or

replacement wheel, or a new or replacement

wire brush 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. If the wire

brush has loose wires, they will be detected.

Never start the tool with a person in line with the

wheel. This includes theoperator.

r ) Use of accessories not specified in this manual

is not recommended and may be hazardous.

Use of power boosters that would cause the tool

to be driven at speeds greater than its rated speed

constitutesmisuse.

s ) Use clamps or another practical way to secure

and support the workpiece to a stable platform.

Holding the work by hand or against your body leaves

it unstable and may lead to loss ofcontrol.

t ) Avoid bouncing the wheel or giving it rough

treatment. If this occurs, stop the tool and inspect the

wheel for cracks orflaws.

u ) Always handle and store wheels in a carefulmanner.

v ) Do not operate this tool for long periods of time.

Vibration caused by the operating action of this

tool may cause permanent injury to fingers,

hands, and arms. Use gloves to provide extra

cushion, take frequent rest periods, and limit daily

time ofuse.

w ) Air vents often cover moving parts and should be

avoided. Loose clothes, jewelry or long hair can be

caught in movingparts.

Kickback and Related Warnings

Kickback is a sudden reaction to a pinched or snagged

rotating wheel, backing pad, brush or any other accessory.

Pinching or snagging causes rapid stalling of the rotating

accessory which in turn causes the uncontrolled power tool to

be forced in the direction opposite of the accessory’s rotation

at the point of thebinding.

For example, if an abrasive wheel is snagged or pinched by

the workpiece, the edge of the wheel that is entering into the

pinch point can dig into the surface of the material causing

the wheel to climb out or kick out. The wheel may either jump

toward or away from the operator, depending on direction

of the wheel’s movement at the point of pinching. Abrasive

wheels may also break under theseconditions.

Kickback is the result of tool misuse and/or incorrect operating

procedures or conditions and can be avoided by taking proper

precautions as given below:

a ) Maintain a firm grip on the power tool and

position your body and arm to allow you to resist

kickback forces. Always use auxiliary handle, if

provided, for maximum control over kickback or

torque reaction during start up. The operator can

control torque reaction or kickback forces, if proper

precautions aretaken.

b ) Never place your hand near the rotating

accessory. Accessory may kickback over yourhand.

c ) Do not position your body in the area where

power tool will move if kickback occurs. Kickback

will propel the tool in direction opposite to the wheel’s

movement at the point ofsnagging.

d ) Use special care when working corners, sharp

edges etc. Avoid bouncing and snagging the

accessory. Corners, sharp edges or bouncing have

a tendency to snag the rotating accessory and cause

loss of control orkickback.

e ) Do not attach a saw chain woodcarving blade

or toothed saw blade. Such blades create frequent

kickback and loss ofcontrol.

Safety Warnings Specific for Grinding and

Abrasive Cutting-Off Operations

a ) Use only wheel types that are recommended for

your power tool and the specific guard designed

for the selected wheel. Wheels for which the power

tool was not designed cannot be adequately guarded

and areunsafe.

b ) The grinding surface of center depressed

wheels must be mounted below the plane of

the guard lip. An improperly mounted wheel that

projects through the plane of the guard lip cannot be

adequatelyprotected.

c ) The guard must be securely attached to the

power tool and positioned for maximum safety,

so the least amount of wheel is exposed towards

the operator. The guard helps to protect the operator

from broken wheel fragments, accidental contact with

wheel and sparks that could igniteclothing.

d ) Wheels must be used only for recommended

applications. For example: do not grind with the

side of cut-off wheel. Abrasive cut-off wheels are

intended for peripheral grinding, side forces applied to

these wheels may cause them toshatter.

ENGLISH

e ) Always use undamaged wheel flanges that

are of correct size and shape for your selected

wheel. Proper wheel flanges support the wheel

thus reducing the possibility of wheel breakage.

Flanges for cut-off wheels may be different from

grinding wheelflanges.

f ) Do not use worn down wheels from larger power

tools. Wheel intended for larger power tool is not

suitable for the higher speed of a smaller tool and

mayburst.

Additional Safety Warnings Specific for

Abrasive Cutting-Off Operations

a ) Do not “jam” the cut-off wheel or apply excessive

pressure. Do not attempt to make an excessive

depth of cut. Overstressing the wheel increases the

loading and susceptibility to twisting or binding of

the wheel in the cut and the possibility of kickback or

wheelbreakage.

b ) Do not position your body in line with and

behind the rotating wheel. When the wheel, at the

point of operation, is moving away from your body,

the possible kickback may propel the spinning wheel

and the power tool directly atyou.

c ) When wheel is binding or when interrupting

a cut for any reason, switch off the power tool

and hold the power tool motionless until the

wheel comes to a complete stop. Never attempt

to remove the cut-off wheel from the cut while

the wheel is in motion otherwise kickback may

occur. Investigate and take corrective action to

eliminate the cause of wheelbinding.

d ) Do not restart the cutting operation in the

workpiece. Let the wheel reach full speed and

carefully reenter the cut. The wheel may bind,

walk up or kickback if the power tool is restarted in

theworkpiece.

e ) Support panels or any oversized workpiece

to minimize the risk of wheel pinching and

kickback. Large workpieces tend to sag under

their own weight. Supports must be placed under

the workpiece near the line of cut and near the edge of

the workpiece on both sides of thewheel.

f ) Use extra caution when making a “pocket

cut” into existing walls or other blind areas.

The protruding wheel may cut gas or water pipes,

electrical wiring or objects that can causekickback.

Safety Warnings Specific for Sanding

Operations

a ) Do not use excessively oversized sanding disc

paper. Follow manufacturers recommendations,

when selecting sanding paper. Larger sanding

paper extending beyond the sanding pad presents a

laceration hazard and may cause snagging, tearing of

the disc orkickback.

Safety Warnings Specific for Polishing

Operations

a ) Do not allow any loose portion of the polishing

bonnet or its attachment strings to spin freely.

Tuck away or trim any loose attachment strings.

Loose and spinning attachment strings can entangle

your fingers or snag on theworkpiece.

Safety Warnings Specific for Wire

Brushing Operations

a ) Be aware that wire bristles are thrown by the

brush even during ordinary operation. Do not

overstress the wires by applying excessive load

to the brush. The wire bristles can easily penetrate

light clothing and/orskin.

b ) If the use of a guard is recommended for wire

brushing, do not allow any interference of the

wire wheel or brush with the guard. Wire wheel

or brush may expand in diameter due to work and

centrifugalforces.

c ) Safety goggles or safety glasses with side shields

and a full face shield compliant with ANSI Z87.1

MUST be worn by the operator and others that

are within 50' (15.2 m) of the use of thisproduct.

Additional Safety Information



WARNING: ALWAYS use safety glasses. Everyday

eyeglasses are NOT safety glasses. Also use face or

dust mask if cutting operation is dusty. ALWAYS WEAR

CERTIFIED SAFETYEQUIPMENT:

• ANSI Z87.1 eye protection (CAN/CSA Z94.3),

• ANSI S12.6 (S3.19) hearing protection,

• NIOSH/OSHA/MSHA respiratoryprotection.



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. 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.

ENGLISH



WARNING: Use of this tool can generate and/

or disperse 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.



WARNING: Always wear proper personal hearing

protection that conforms to ANSI S12.6 (S3.19)

during use. Under some conditions and duration

of use, noise from this product may contribute to

hearingloss.



CAUTION: To reduce the risk of personal injury,

use extra care when working into a corner or edge

because a sudden, sharp movement of the tool may

be experienced when the wheel or other accessory

contacts a secondary surface or a surfaceedge.

The label on your tool may include the following symbols. The

symbols and their definitions are asfollows:

V ......................... volts

Hz .......................hertz

min ..................... minutes

or DC ......direct current

...................... Class I Construction

(grounded)

…/min ..............per minute

BPM .................... beats per minute

IPM ..................... impacts per minute

RPM .................... revolutions per

minute

sfpm ................... surface feet per

minute

SPM .................... strokes per minute

A ......................... amperes

W ........................watts

or AC ...........alternating current

or AC/DC .... alternating or

direct current

...................... Class II

Construction

(double insulated)

.......................no load speed

n .........................rated speed

......................earthing terminal

.....................safety alert symbol

.....................visible radiation

..................... wear respiratory

protection

..................... wear eye

protection

..................... wear hearing

protection

..................... read all

documentation

BATTERIES AND CHARGERS

The battery pack is not fully charged out of the carton.

Before using the battery pack and charger, read the

safety instructions below and then follow charging

proceduresoutlined. When ordering replacement battery

packs, be sure to include the catalog number andvoltage.

Your tool uses a

DeWALT

charger. Be sure to read all safety

instructions before using your charger. Consult the chart

at the end of this manual for compatibility of chargers and

batterypacks.

READ ALL INSTRUCTIONS

Important Safety Instructions for All

Battery Packs



WARNING: Read all safety warnings and all

instructions for the battery pack, charger and

power tool. Failure to follow the warnings and

instructions may result in electric shock, fire and/

or seriousinjury.

• Do not charge or use the battery pack in explosive

atmospheres, such as in the presence of flammable

liquids, gases or dust. Inserting or removing the battery

pack from the charger may ignite the dust orfumes.

• NEVER force the battery pack into the charger. DO

NOT modify the battery pack in any way to fit into

a non-compatible charger as battery pack may

rupture causing serious personal injury. Consult

the chart at the end of this manual for compatibility of

batteries andchargers.

• Charge the battery packs only in designated

DeWALT

chargers.

• DO NOT splash or immerse in water or otherliquids.

• Do not store or use the tool and battery pack in

locations where the temperature may reach or

exceed 104°F (40°C) (such as outside sheds or metal

buildings in summer). For best life store battery packs in

a cool, drylocation.

NOTE: Do not store the battery packs in a tool with

the trigger switch locked on. Never tape the trigger

switch in the ONposition.

• Do not incinerate the battery pack even if it is

severely damaged or is completely worn out. The

battery pack can explode in a fire. Toxic fumes and

materials are created when lithium ion battery packs

areburned.

• If battery contents come into contact with the skin,

immedicately wash area with mild soap and water.

If battery liquid gets into the eye, rinse water over the open

eye for 15 minutes or until irritation ceases. If medical

attention is needed, the battery electrolyte is composed of

a mixture of liquid organic carbonates and lithiumsalts.

• Contents of opened battery cells may cause

respiratory irritation. Provide fresh air. If symptoms

persist, seek medicalattention.



WARNING: Burn hazard. Battery liquid may be

flammable if exposed to spark orflame.



WARNING: Fire hazard. Never attempt to open the

battery pack for any reason. If the battery pack case

is cracked or damaged, do not insert into the charger.

Do not crush, drop or damage the battery pack. Do

not use a battery pack or charger that has received a

sharp blow, been dropped, run over or damaged in

any way (e.g., pierced with a nail, hit with a hammer,

stepped on). Damaged battery packs should be

returned to the service center forrecycling.

Transportation



WARNING: Fire hazard. Do not store or carry the

battery pack so that metal objects can contact

exposed battery terminals. For example, do

not place the battery pack in aprons, pockets, tool

boxes, product kit boxes, drawers, etc., with loose

nails, screws, keys, etc. Transporting batteries

can possibly cause fires if the battery terminals

inadvertently come in contact with conductive

materials such as keys, coins, hand tools and the

like. The US Department of Transportation Hazardous

Material Regulations (HMR) actually prohibit

ENGLISH

transporting batteries in commerce or on airplanes in

carry-on baggage UNLESS they are properly protected

from short circuits. So when transporting individual

battery packs, make sure that the battery terminals

are protected and well insulated from materials that

could contact them and cause a shortcircuit.

NOTE: LI-ion batteries should not be put in

checkedbaggage.

Shipping the

DeWALT

FLEXVOLT™ Battery

The D

WALT FLEXVOLT™ battery has two modes: Use and

Shipping.

Use Mode: When the FLEXVOLT™ battery stands alone or is

in a D

WALT 20V Max* product, it will operate as a 20V Max*

battery. When the FLEXVOLT™ battery is in a 60V Max* or a

120V Max* (two 60V Max* batteries) product, it will operate

as a 60V Max* battery.

Shipping Mode: When

the cap is attached to the

FLEXVOLT™ battery, the

battery is in Shipping Mode.

Strings of cells are electrically

disconnected within the pack resulting in three batteries

with a lower Watt hour (Wh) rating as compared to one

battery with a higher Watt hour rating. This increased

quantity of three batteries with the lower Watt hour rating

can exempt the pack from certain shipping regulations that

are imposed upon the higher Watt hourbatteries.

The battery label indicates two Watt hour ratings (see

example). Depending on how the battery is shipped, the

appropriate Watt hour rating must be used to determine

the applicable shipping requirements. If utilizing the

shipping cap, the pack will be considered 3 batteries at

the Watt hour rating indicated for “Shipping”. If shipping

without the cap or in a tool, the pack will be considered one

battery at the Watt hour rating indicated next to “Use”.

USE: 120 Wh Shipping: 3 x 40 Wh

Example of Use and Shipping Label Marking

For example, Shipping Wh rating might indicate 3 x 40 Wh,

meaning 3 batteries of 40 Watt hours each. The Use Wh

rating might indicate 120 Wh (1 battery implied).

Fuel Gauge Battery Packs (Fig. B)

Some

DeWALT

battery packs include a fuel gauge which

consists of three green LED lights that indicate the level of

charge remaining in the batterypack.

The fuel gauge is an indication of approximate levels of

charge remaining in the battery pack according to the

followingindicators:

75–100% charged

51–74% charged

< 50% charged

Pack needs to be charged

To actuate the fuel gauge, press and hold the fuel gauge

button. A combination of the three green LED lights will

illuminate designating the level of charge left. When the

level of charge in the battery is below the usable limit, the

fuel gauge will not illuminate and the battery will need to

berecharged.

Fig. B

NOTE: The fuel gauge is only an indication of the charge left

on the battery pack. It does not indicate tool functionality

and is subject to variation based on product components,

temperature and end-userapplication.

For more information regarding fuel gauge battery packs,

please call 1-800-4-

DeWALT

(1-800-433-9258) or visit our

website www.dewalt.com.

The RBRC® Seal

The RBRC® (Rechargeable Battery

Recycling Corporation) Seal on the nickel

cadmium, nickel metal hydride or lithium-

ion batteries (or battery packs) indicates

that the costs to recycle these batteries

(or battery packs) at the end of their useful life have already

been paid by

DeWALT

. In some areas, it is illegal to place

spent nickel cadmium, nickel metal hydride or lithium-ion

batteries in the trash or municipal solid waste stream and

the Call2Recycle® program provides an environmentally

consciousalternative.

Call 2 Recycle, Inc., in cooperation with

DeWALT

and other

battery users, has established the program in the United

States and Canada to facilitate the collection of spent nickel

cadmium, nickel metal hydride or lithium-ion batteries. Help

protect our environment and conserve natural resources by

returning the spent nickel cadmium, nickel metal hydride

or lithium-ion batteries to an authorized

DeWALT

service

center or to your local retailer for recycling. You may also

contact your local recycling center for information on

where to drop off the spent battery. RBRC® is a registered

trademark of Call 2 Recycle,Inc.

Important Safety Instructions for All

Battery Chargers



WARNING: Read all safety warnings and all

instructions for the battery pack, charger and

power tool. Failure to follow the warnings and

instructions may result in electric shock, fire and/

or seriousinjury.

• DO NOT attempt to charge the battery pack with

any chargers other than the ones in this manual.

The charger and battery pack are specifically designed to

worktogether.

• These chargers are not intended for any uses other

than charging

DeWALT

rechargeable batteries.

Any other uses may result in risk of fire, electric shock

orelectrocution.

• Do not expose the charger to rain orsnow.

ENGLISH

• Pull by the plug rather than the cord when

disconnecting the charger. This will reduce the risk of

damage to the electric plug andcord.

• Make sure that the cord is located so that it will not

be stepped on, tripped over or otherwise subjected

to damage orstress.

• Do not use an extension cord unless it is absolutely

necessary. Use of improper extension cord could result in

risk of fire, electric shock orelectrocution.

• When operating a charger outdoors, always provide

a dry location and use an extension cord suitable

for outdoor use. Use of a cord suitable for outdoor use

reduces the risk of electricshock.

• An extension cord must have adequate wire size

(AWG or American Wire Gauge) for safety. The smaller

the gauge number of the wire, the greater the capacity

of the cable, that is, 16 gauge has more capacity than 18

gauge. An undersized cord will cause a drop in line voltage

resulting in loss of power and overheating. When using

more than one extension to make up the total length,

be sure each individual extension contains at least the

minimum wire size. The following table shows the correct

size to use depending on cord length and nameplate

ampere rating. If in doubt, use the next heavier gauge. The

lower the gauge number, the heavier thecord.

Minimum Gauge for Cord Sets

Volts

Total Length of Cord in Feet

(meters)

120 V 25 (7.6) 50 (15.2) 100 (30.5) 150 (45.7)

240 V 50 (15.2) 100 (30.5) 200 (61.0) 300 (91.4)

Ampere Rating

American Wire Gauge

Than

Not

Than

0 6 18 16 16 14

6 10 18 16 14 12

10 12 16 16 14 12

12 16 14 12 Not Recommended

• Do not place any object on top of the charger or

place the charger on a soft surface that might block

the ventilation slots and result in excessive internal

heat. Place the charger in a position away from any heat

source. The charger is ventilated through slots in the top

and the bottom of thehousing.

• Do not operate the charger with a damaged cord

orplug.

• Do not operate the charger if it has received a sharp

blow, been dropped or otherwise damaged in any

way. Take it to an authorized servicecenter.

• Do not disassemble the charger; take it to an

authorized service center when service or repair

is required. Incorrect reassembly may result in a risk of

electric shock, electrocution orfire.

• Disconnect the charger from the outlet before

attempting any cleaning. This will reduce the risk of

electric shock. Removing the battery pack will not reduce

thisrisk.

• NEVER attempt to connect 2 chargerstogether.

• The charger is designed to operate on standard

120V household electrical power. Do not attempt to

use it on any other voltage. This does not apply to the

vehicularcharger.



WARNING: Shock hazard. Do not allow any liquid to

get inside the charger. Electric shock mayresult.



WARNING: Burn hazard. Do not submerge the

battery pack in any liquid or allow any liquid to

enter the battery pack. Never attempt to open the

battery pack for any reason. If the plastic housing of

the battery pack breaks or cracks, return to a service

center forrecycling.



CAUTION: Burn hazard. To reduce the risk of injury,

charge only

DeWALT

rechargeable battery packs.

Other types of batteries may overheat and burst

resulting in personal injury and propertydamage.



CAUTION: Under certain conditions, with the charger

plugged into the power supply, the charger can

be shorted by foreign material. Foreign materials

of a conductive nature, such as, but not limited to,

grinding dust, metal chips, steel wool, aluminum

foil or any buildup of metallic particles should be

kept away from the charger cavities. Always unplug

the charger from the power supply when there is no

battery pack in the cavity. Unplug the charger before

attempting toclean.

Charging a Battery (Fig. C)

1. Plug the charger into an appropriate outlet before

inserting batterypack.

Fig. C

2. Insert the battery pack

10

into the charger, making sure

the battery pack is fully seated in the charger. The red

(charging) light will blink continuously indicating that

the charging process hasstarted.

3. The completion of charge will be indicated by the red

light remaining ON continuously. The battery pack is

fully charged and may be used at this time or left in the

charger. To remove the battery pack from the charger,

push the battery release button

11

on the battery pack

and then slide the battery pack out of thecharger.

NOTE: To ensure maximum performance and life of lithium-

ion battery packs, charge the battery pack fully before

firstuse.

ENGLISH

Charger Operation

Refer to the indicators below for the charge status of the

batterypack.

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

Charging

Fully Charged

Hot/Cold Pack Delay*

* DCB107, DCB112, DCB113, DCB115, DCB118, DCB132:

The red light will continue to blink, but a yellow indicator

light will be illuminated during this operation. Once the

battery pack has reached an appropriate temperature, the

yellow light will turn off and the charger will resume the

chargingprocedure.

The compatible charger(s) will not charge a faulty battery

pack. The charger will indicate faulty battery pack by

refusing tolight.

NOTE: This could also mean a problem with acharger.

If the charger indicates a problem, take the charger and

battery pack to be tested at an authorized servicecenter.

Hot/Cold Pack Delay

When the charger detects a battery pack that is too hot

or too cold, it automatically starts a Hot/Cold Pack Delay,

suspending charging until the battery pack has reached an

appropriate temperature. The charger then automatically

switches to the pack charging mode. This feature ensures

maximum battery packlife.

A cold battery pack will charge at a slower rate than a warm

battery pack. The battery pack will charge at that slower rate

throughout the entire charging cycle and will not return to

maximum charge rate even if the battery packwarms.

The DCB118 charger is equipped with an internal fan

designed to cool the battery pack. The fan will turn on

automatically when the battery pack needs to becooled.

Never operate the charger if the fan does not operate

properly or if ventilation slots are blocked. Do not permit

foreign objects to enter the interior of thecharger.

Electronic Protection System

Li-Ion tools are designed with an Electronic Protection

System that will protect the battery pack against

overloading, overheating or deepdischarge.

The tool will automatically turn off if the Electronic

Protection System engages. If this occurs, place the lithium-

ion battery pack on the charger until it is fullycharged.

Wall Mounting

DCB107, DCB112, DCB113, DCB115, DCB118, DCB132

These chargers are designed to be wall mountable or to

sit upright on a table or work surface. If wall mounting,

locate the charger within reach of an electrical outlet,

and away from a corner or other obstructions which may

impede air flow. Use the back of the charger as a template

for the location of the mounting screws on the wall. Mount

the charger securely using drywall screws (purchased

separately) at least 1" (25.4 mm) long, with a screw head

diameter of 0.28–0.35" (7–9mm), screwed into wood to an

optimal depth leaving approximately 7/32" (5.5 mm) of the

screw exposed. Align the slots on the back of the charger

with the exposed screws and fully engage them in theslots.

Charger Cleaning Instructions



WARNING: Shock hazard. Disconnect the charger

from the AC outlet before cleaning. Dirt and grease

may be removed from the exterior of the charger using

a cloth or soft non-metallic brush. Do not use water or

any cleaningsolutions.

Important Charging Notes

1. Longest life and best performance can be obtained if

the battery pack is charged when the air temperature is

between 65°F and 75°F (18° – 24°C). DO NOT charge

the battery pack below +40°F (+4.5°C), or above

+104°F (+40°C). This is important and will prevent

serious damage to the batterypack.

2. The charger and battery pack may become warm to the

touch while charging. This is a normal condition, and

does not indicate a problem. To facilitate the cooling of

the battery pack after use, avoid placing the charger or

battery pack in a warm environment such as in a metal

shed or an uninsulatedtrailer.

3. If the battery pack does not charge properly:

a. Check operation of receptacle by plugging in a lamp

or other appliance;

b. Check to see if receptacle is connected to a light

switch which turns power off when you turn out the

lights;

c. Move the charger and battery pack to a location

where the surrounding air temperature is

approximately 65°F – 75°F (18° – 24°C);

d. If charging problems persist, take the tool, battery

pack and charger to your local servicecenter.

4. The battery pack should be recharged when it fails to

produce sufficient power on jobs which were easily

done previously. DO NOT CONTINUE to use under these

conditions. Follow the charging procedure. You may

also charge a partially used pack whenever you desire

with no adverse effect on the batterypack.

5. Foreign materials of a conductive nature such as, but

not limited to, grinding dust, metal chips, steel wool,

aluminum foil, or any buildup of metallic particles

should be kept away from charger cavities. Always

unplug the charger from the power supply when there

is no battery pack in the cavity. Unplug the charger

before attempting toclean.

6. Do not freeze or immerse the charger in water or any

otherliquid.

Storage Recommendations

1. The best storage place is one that is cool and dry, away

from direct sunlight and excess heat orcold.

2. For long storage, it is recommended to store a fully

charged battery pack in a cool dry place out of the

charger for optimalresults.

ENGLISH

NOTE: Battery packs should not be stored completely

depleted of charge. The battery pack will need to be

recharged beforeuse.

SAVE THESE INSTRUCTIONS FOR

FUTURE USE

COMPONENTS (FIG. A)



WARNING: Never modify the power tool or any part

of it. Damage or personal injury couldresult.

Refer to Figure A at the beginning of this manual for a

complete list ofcomponents.

Intended Use

Your heavy-duty small angle grinder has been designed

for professional grinding, sanding, wire brushing,

polishing, and cut-off applications at various work sites

(i.e.,constructionsites).

DO NOT use under wet conditions or in presence of

flammable liquids orgases.

Your heavy-duty small angle grinders is a professional

power tool. DO NOT let children come into contact with the

tool. Supervision is required when inexperienced operators

use thistool.

ASSEMBLY AND ADJUSTMENTS



WARNING: To reduce the risk of serious personal

injury, turn unit off and remove the battery pack

before making any adjustments or removing/

installing attachments or accessories. An

accidental start-up can causeinjury.

Attaching Side Handle (Fig. D)



WARNING: Before using the tool, check that the

handle is tightenedsecurely.

Screw the side handle

5

tightly into one of the holes on

either side of the gear case. The side handle should always

be used to maintain control of the tool at alltimes.

Fig. D

Rotating the Gear Case (Fig. E)

To improve user comfort, the gear case will rotate 90° for

cuttingoperations.

1. Remove the four corner screws attaching the gear case

to motorhousing.

2. Without separating the gear case from motor housing,

rotate the gear case head to desiredposition.

90˚

Fig. E

NOTE: If the gear case and motor housing become

separated by more than 1/8" (3.17 mm), the tool must be

serviced and re-assembled by a

DeWALT

service center.

Failure to have the tool serviced may cause motor and

bearingfailure.

3. Reinstall screws to attach the gear case to the

motor housing. Tighten screws to 20 in.-lbs. torque.

Overtightening could cause screws tostrip.

Guards



CAUTION: Guards must be used with all grinding

wheels, cutting wheels, sanding flap discs,

wire brushes, and wire wheels. The tool may

be used without a guard only when sanding with

conventional sanding discs. Refer to Figure A to see

guards provided with the unit. Some applications may

require purchasing the correct guard from your local

dealer or authorized servicecenter.

NOTE: Edge grinding and cutting can be performed with

Type 27 wheels designed and specified for this purpose;

1/4" (6.35 mm) thick wheels are designed for surface

grinding while thinner Type 27 wheels need to be examined

for the manufacturer's label to see if they can be used for

surface grinding or only edge grinding/cutting. A Type 1

guard must be used for any wheel where surface grinding

is forbidden. Cutting can also be performed by using a

Type41 wheel and a Type 1guard.

NOTE: See the Accessories Chart to select the proper

guard/accessorycombination.

Adjusting and Mounting Guard (Fig. F)



WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect battery pack

before making any adjustments or removing/

installing attachments or accessories. An

accidental start-up can causeinjury.



CAUTION: BEFORE operating the tool, identify which

guard adjustment option your tool is setto.

Adjustment Options

For guard adjustment, the guard release lever

9

engages

one of the alignment holes

14

on the guard collar using a

ratchetingfeature.

One-touch

: In this position the engaging face is slanted

and will ride over to the next alignment hole when guard

is rotated in a clockwise direction (spindle facing user) but

self-locks in the counterclockwisedirection.

ENGLISH

Mounting Guard (Fig. F)



CAUTION: Prior to mounting guard, ensure the screw,

lever, and spring are fitted correctly before mounting

theguard.

1. With the spindle facing the operator, press and hold the

guard release lever

9

2. Align the lugs

12

on the guard with the slots

13

the gearcasecover.

3. Push the guard down until the guard lugs engage

and rotate them in the groove on the gear case cover.

Release the guard releaselever.

4. To position the guard, rotate the guard clockwise

into the desired working position. Press and hold

the guard release lever

9

to rotate the guard in the

counterclockwisedirection.

NOTE: The guard body should be positioned between

the spindle and the operator to provide maximum

operatorprotection.

The guard release lever should snap into one of the

alignment holes

14

on the guard collar. This ensures

that the guard issecure.

5. To remove the guard, follow steps 1–3 of these

instructions inreverse.

Fig. F

Flanges and Wheels



CAUTION: Turn unit off and unplug the tool before

making any adjustments or removing or installing

attachments oraccessories.

Mounting Non-Hubbed Wheels

(Fig. G, H)



WARNING: Failure to properly seat the flanges and/or

wheel could result in serious injury (or damage to the

tool orwheel).



CAUTION: Included flanges must be used with

depressed center Type 27/42 grinding wheels and

Type1/41 cutting wheels. See the Accessories Chart

for moreinformation.



WARNING: A closed, two-sided cutting wheel guard

is required when using abrasive cutting wheels or

diamond coated cuttingwheels.



WARNING: Use of a damaged flange or guard or

failure to use proper flange and guard can re sult in

injury due to wheel breakage and wheel contact. See

the Accessories Chart for moreinformation.

1. Place the tool on a table, guardup.

2. Install the backing flange

6

on spindle

4

with the

raised center (pilot) facing thewheel. Press the backing

flange intoplace.

3. Place wheel

17

against the backing flange, centering the

wheel on the raised center (pilot) of the backingflange.

4. While depressing the spindle lock button and with the

hex depressions facing away from the wheel, thread the

locking flange

7

on spindle so that the lugs engage the

two slots in thespindle.

NOTE: If the wheel you are installing is more than 1/8"

(3.17mm) thick, place the threaded locking flange on

the spindle so that the raised section (pilot) fits into the

center of the wheel. If the wheel you are installing is 1/8"

(3.17mm) thick or less, place the threaded locking flange

on the spindle so that the raised section (pilot) is not against

thewheel.

Fig. G

Over 1/8" (3.17mm)

wheels

Backing Flange

Locking flange

1/8" Or less (3.17mm)

wheels

Backing Flange

Locking flange

5. While depressing the spindle lock button, tighten

the locking flange

7

by hand or using the wrench

19

supplied. (Only use a locking flange if it is in

perfect condition.) Refer to Accessories Chart to see

flangedetails.

6. To remove the wheel, reverse the aboveprocedure.

Fig. H

Mounting Sanding Backing Pads

(Fig. A, I)

NOTE: Use of a guard with sanding discs that use backing

pads, often called fiber resin discs, is not required. Since a

guard is not required for these accessories, the guard may or

may not fit correctly ifused.

ENGLISH



WARNING: Failure to properly seat the clamp nut

and/or pad could result in serious injury (or damage

to the tool orwheel).



WARNING: Proper guard must be reinstalled for

grinding wheel, cutting wheel, sanding flap disc,

wire brush or wire wheel applications after sanding

applications arecomplete.

1. Place or appropriately thread backing pad

15

thespindle.

2. Place the sanding disc

18

on the backing pad

15

3. While depressing spindle lock button

3

, thread the

sanding clamp nut

16

on spindle, piloting the raised

hub on the clamp nut into the center of san ding disc

and backingpad.

4. Tighten the clamp nut by hand. Then depress the

spindle lock button while turning the sanding disc until

the sanding disc and clamp nut aresnug.

5. To remove the wheel, grasp and turn the backing

pad and sanding pad while depressing the spindle

lockbutton.

Fig. I

Mounting and Removing Hubbed

Wheels (Fig. A)

Hubbed wheels install directly on the spindle. Thread of

accessory must match thread ofspindle.

1. Remove backing flange by pulling away fromtool.

2. Thread the wheel on the spindle

4

byhand.

3. Depress the spindle lock button

3

and use a wrench to

tighten the hub of thewheel.

4. Reverse the above procedure to remove thewheel.

NOTICE: Failure to properly seat the wheel before

turning the tool on may result in damage to the tool

or thewheel.

Mounting Wire Cup Brushes and

Wire Wheels (Fig. A)



WARNING: Failure to properly seat the brush/wheel

could result in serious injury (or damage to the tool

orwheel).



CAUTION: To reduce the risk of personal injury,

wear work gloves when handling wire brushes

and wheels. They can becomesharp.



CAUTION: To reduce the risk of damage to the

tool, wheel or brush must not touch guard when

mounted or while in use. Undetectable damage

could occur to the accessory, causing wires to

fragment from accessory wheel orcup.

Wire cup brushes or wire wheels install directly on the

threaded spindle without the use of flanges. Use only wire

brushes or wheels provided with a threaded hub. These

accessories are available at extra cost from your local dealer

or authorised servicecenter.

1. Place the tool on a table, guardup.

2. Thread the wheel on the spindle byhand.

3. Depress spindle lock button

3

and use a wrench on the

hub of the wire wheel or brush to tighten thewheel.

4. To remove the wheel, reverse the aboveprocedure.

NOTICE: To reduce the risk of damage to the tool,

properly seat the wheel hub before turning the toolon.

Prior to Operation

• Install the guard and appropriate disc or wheel. Do not

use excessively worn discs orwheels.

• Be sure the backing flange and locking flange are

mounted correctly. Follow the instructions given in the

Accessories Chart.

• Make sure the disc or wheel rotates in the direction of

the arrows on the accessory and thetool.

• Do not use a damaged accessory. Before each use

inspect the accessory such as abrasive wheels for chips

and cracks, backing pad for cracks, tear or excess wear,

wire brush for loose or cracked wires. If power tool or

accessory is dropped, inspect for damage or install an

undamaged accessory. After inspecting and installing

an accessory, position yourself and bystanders away

from the plane of the rotating accessory and run the

power tool at maximum no-load speed for one minute.

Damaged accessories will normally break apart during

this testtime.

OPERATION



WARNING: To reduce the risk of serious personal

injury, turn unit off and remove the battery pack

before making any adjustments or removing/

installing attachments or accessories. An

accidental start-up can causeinjury.

Installing and Removing the Battery Pack

(Fig. J)

NOTE: For best results, make sure your battery pack is

fullycharged.

To install the battery pack

10

into the tool handle, align the

battery pack with the rails inside the tool’s handle and slide

it into the handle until the battery pack is firmly seated in

the tool and ensure that it does notdisengage.

To remove the battery pack from the tool, press the release

button

11

and firmly pull the battery pack out of the tool

handle. Insert it into the charger as described in the charger

section of thismanual.

ENGLISH

Fig. J

Proper Hand Position (Fig. K)



WARNING: To reduce the risk of serious personal injury,

ALWAYS use proper hand position as shown.



WARNING: To reduce the risk of serious personal

injury, ALWAYS hold securely in anticipation of a

suddenreaction.

Proper hand position requires one hand on the side

handle

5

, with the other hand on the body of the tool, as

shown in FigureK.

Fig. K

Lock-Off Button and Trigger Switch

(Fig. A)



CAUTION: Hold the side handle and body of the tool

firmly to maintain control of the tool at start up and

during use and until the wheel or accessory stops

rotating. Make sure the wheel has come to a complete

stop be fore laying the tooldown.



CAUTION: Before inserting the battery, depress and

release the trigger switch

1

once to ensure that

the switch is off. Depress and release the switch as

described below after any interruption in power

supply to the tool, such as motor overload, pinch,

stall or bind-up event, or any other unexpected

toolshutdown.

NOTE: To reduce unexpected tool movement, do not

switch the tool on or off while under load conditions. Allow

the grinder to run up to full speed before touching the work

surface. Lift the tool from the surface before turning the tool

off. Allow the tool to stop rotating before putting itdown.

To lock the trigger switch

1

, press the lock-off button

2

When the lock-off button is depressed to the lock icon, the

unit islocked.

Always lock the trigger switch when carrying or storing the

tool to eliminate unintentionalstarting.

To unlock the trigger switch, press the lock-off button.

When the lock-off button is depressed to the unlock icon,

the unit is unlocked. The lock-off button is colored red to

indicate when the switch is in its unlockedposition.

Pull the trigger switch

1

to turn the motor ON. Releasing

the trigger switch turns the motorOFF.

NOTE: This tool has no provision to lock the switch in

the ON position, and should never be locked ON by any

othermeans.

Spindle Lock Button (Fig. L)

The spindle lock button

3

is provided to prevent the

spindle from rotating when installing or removing wheels.

Operate the spindle lock only when the tool is turned off,

when the battery has been removed, and has come to a

completestop.

NOTICE: To reduce the risk of damage to the tool, do

not engage the spindle lock while the tool is operating.

Damage to the tool will result and attached accessory

may spin off possibly resulting ininjury.

To engage the lock, depress the spindle lock button

and rotate the spindle until you are unable to rotate the

spindlefurther.

Fig. L

Surface Grinding, Sanding and Wire

Brushing (Fig. M)



CAUTION: Always use the correct guard per the

instructions in thismanual.

To perform work on the surface of a workpiece:

1. Allow the tool to reach full speed before touching the

tool to the worksurface.

2. Apply minimum pressure to the work surface, allowing

the tool to operate at high speed. Material removal rate

is greatest when the tool operates at highspeed.

Fig. M

ENGLISH

3. Maintain an appropriate angle between the tool

and work surface. Refer to the chart according to

particularfunction.

Function Angle

Grinding 20˚-30˚

Sanding with Flap Disc 5˚-10˚

Sanding with Backing Pad 5˚-15˚

Wire Brushing 5˚-10˚

4. Maintain contact between the edge of the wheel and

the worksurface.

- If grinding, sanding with flap discs or wire brushing

move the tool continuously in a forward and

back motion to avoid creating gouges in the

worksurface.

- If sanding with a backing pad, move the tool

constantly in a straight line to prevent burning and

swirling of worksurface.

NOTE: Allowing the tool to rest on the work surface without

moving will damage the workpiece.

5. Remove the tool from work surface before turning tool

off. Allow the tool to stop rotating before laying itdown.



CAUTION: Use extra care when working over an

edge, as a sudden sharp movement of grinder may

beexperienced.

Precautions To Take When Working on

a Painted Workpiece

1. Sanding or wire brushing of lead based paint is NOT

RECOMMENDED due to the difficulty of controlling

the contaminated dust. The greatest danger of lead

poisoning is to children and pregnantwomen.

2. Since it is difficult to identify whether or not a paint

contains lead without a chemical analysis, we

recommend the following precautions when sanding

any paint:

Personal Safety

1. No children or pregnant women should enter the work

area where the paint sanding or wire brushing is being

done until all clean up iscompleted.

2. A dust mask or respirator should be worn by all persons

entering the work area. The filter should be replaced

daily or whenever the wearer has difficultybreathing.

NOTE: Only those dust masks suitable for working

with lead paint dust and fumes should be used.

Ordinary painting masks do not offer this protection.

See your local hardware dealer for the proper NIOSH-

approvedmask.

3. NO EATING, DRINKING or SMOKING should be done in

the work area to prevent ingesting contaminated paint

particles. Workers should wash and clean up BEFORE

eating, drinking or smoking. Articles of food, drink, or

smoking should not be left in the work area where dust

would settle onthem.

Environmental Safety

1. Paint should be removed in such a manner as to

minimize the amount of dustgenerated.

2. Areas where paint removal is occurring should be sealed

with plastic sheeting of 4 milsthickness.

3. Sanding should be done in a manner to reduce tracking

of paint dust outside the workarea.

Cleaning and Disposal

1. All surfaces in the work area should be vacuumed

and thoroughly cleaned daily for the duration of

the sanding project. Vacuum filter bags should be

changedfrequently.

2. Plastic drop cloths should be gathered up and disposed

of along with any dust chips or other removal debris.

They should be placed in sealed refuse receptacles and

disposed of through regular trash pick-upprocedures.

During clean up, children and pregnant women should

be kept away from the immediate workarea.

3. All toys, washable furniture and utensils used by

children should be washed thoroughly before being

usedagain.

Edge Grinding and Cutting (Fig. N)



WARNING: Do not use edge grinding/cutting wheels

for surface grinding applications because these wheels

are not designed for side pressures encountered

with surface grinding. Wheel breakage and injury

mayresult.



CAUTION: Wheels used for edge grinding and cutting

may break or kick back if they bend or twist while

the tool is being used. In all edge grinding/cutting

operations, the open side of the guard must be

positioned away from theoperator.

NOTICE: Edge grinding/cutting with a Type27 wheel

must be limited to shallow cutting and notching—

less than 13mm in depth when the wheel is new.

Reduce the depth of cutting/notching equal to the

reduction of the wheel radius as it wears down. Refer

to the Accessories Chart for more information. Edge

grinding/cutting with a Type 41 wheel requires usage

of a Type 1guard.

1. Allow the tool to reach full speed before touching the

tool to the worksurface.

2. Apply minimum pressure to the work surface, allowing

the tool to operate at high speed. Grinding/cutting rate

is greatest when the tool operates at highspeed.

3. Position yourself so that the open-underside of the

wheel is facing away fromyou.

4. Once a cut is begun and a notch is established in

the workpiece, do not change the angle of the cut.

Changing the angle will cause the wheel to bend and

may cause wheel breakage. Edge grinding wheels

are not designed to withstand side pressures caused

bybending.

Fig. N

ENGLISH

5. Remove the tool from the work surface before turning

the tool off. Allow the tool to stop rotating before laying

itdown.

MAINTENANCE



WARNING: To reduce the risk of serious personal

injury, turn unit off and remove the battery pack

before making any adjustments or removing/

installing attachments or accessories. An

accidental start-up can causeinjury.

Cleaning



WARNING: Blow dirt and dust out of all air vents with

clean, dry air at least once a week. To minimize the risk

of eye injury, always wear ANSI Z87.1 approved eye

protection when performingthis procedure.



WARNING: Never use solvents or other harsh

chemicals for cleaning the non-metallic parts of

the tool. These chemicals may weaken the plastic

materials used in these parts. Use a dry cloth. Never let

any liquid get inside the tool; never immerse any part

of the tool into aliquid.

Accessories



WARNING: Since accessories, other than those

offered by

DeWALT

, have not been tested with this

product, use of such accessories with this tool could be

hazardous. To reduce the risk of injury, only

DeWALT

recommended accessories should be used with

thisproduct.

Recommended accessories for use with your tool

are available at extra cost from your local dealer or

authorized service center. If you need assistance in

locating any accessory, please contact

DeWALT

Industrial

Tool Co., 701East Joppa Road, Towson, MD 21286, call

1-800-4-

DeWALT

(1-800-433-9258) or visit our website:

www.dewalt.com.

Repairs

The charger and battery pack are notserviceable.



WARNING: To assure product SAFETY and

RELIABILITY, repairs, maintenance and adjustment

(including brush inspection and replacement, when

applicable) should be performed by a

DeWALT

factory

service center or a

DeWALT

authorized service center.

Always use identical replacementparts.

Thank you for your purchase. Register your product nowfor:

• WARRANTY SERVICE: Registering your product will

help you obtain more efficient warranty service in case

there is a problem with yourproduct.

• CONFIRMATION OF OWNERSHIP: In case of

an insurance loss, such as fire, flood or theft, your

registration of ownership will serve as your proof

ofpurchase.

• FOR YOUR SAFETY: Registering your product will

allow us to contact you in the unlikely event a safety

notification is required under the Federal Consumer

SafetyAct.

Three Year Limited Warranty

DeWALT

will repair, without charge, any defects due to

faulty materials or workmanship for three years from

the date of purchase. This warranty does not cover part

failure due to normal wear or tool abuse. For further detail

of warranty coverage and warranty repair information,

visit www.dewalt.com or call 1-800-4-

DeWALT

(1-800-

433-9258). This warranty does not apply to accessories

or damage caused where repairs have been made

or attempted by others. THIS LIMITED WARRANTY IS

GIVEN IN LIEU OF ALL OTHERS, INCLUDING THE IMPLIED

WARRANTY OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE, AND EXCLUDES ALL INCIDENTAL

OR CONSEQUENTIAL DAMAGES. Some states do not allow

limitations on how long an implied warranty lasts or the

exclusion or limitation of incidental or consequential

damages, so these limitations may not apply to you. This

warranty gives you specific legal rights and you may have

other rights which vary in certain states orprovinces.

In addition to the warranty,

DeWALT

tools are covered

byour:

1 YEAR FREE SERVICE

DeWALT

will maintain the tool and replace worn parts

caused by normal use, for free, any time during the first year

afterpurchase.

2 YEARS FREE SERVICE ON DEWALT BATTERY PACKS

DC9071, DC9091, DC9096, DC9182, DC9280, DC9360, DCB120,

DCB127, DCB201, DCB203BT, DCB207, DCB361

3 YEARS FREE SERVICE ON DEWALT BATTERY PACKS

DCB200, DCB203, DCB204, DCB204BT, DCB205, DCB205BT,

DCB206, DCB230, DCB606, DCB609

NOTE: Battery warranty voided if the battery pack is

tampered with in any way.

DeWALT

is not responsible

for any injury caused by tampering and may prosecute

warranty fraud to the fullest extent permitted bylaw.

90 DAY MONEY BACK GUARANTEE

If you are not completely satisfied with the performance of

your

DeWALT

Power Tool, Laser, or Nailer for any reason, you

can return it within 90 days from the date of purchase with

a receipt for a full refund – no questionsasked.

LATIN AMERICA: This warranty does not apply to products

sold in Latin America. For products sold in Latin America,

see country specific warranty information contained in

the packaging, call the local company or see website for

warrantyinformation.

FREE WARNING LABEL REPLACEMENT: If your warning

labels become illegible or are missing, call 1-800-4-

DeWALT

(1-800-433-9258) for a freereplacement.

ENGLISH

4.5" (115 mm) Grinding Wheels

Type 27 guard

unthreaded backing flange

Type 27

depressed center wheel

threaded locking flange

Type 27 guard

Type 27 hubbed wheel

4.5" (115 mm) Sanding Flap Discs

Type 27 guard

unthreaded backing flange

non-hubbed sanding flap disc

threaded locking flange

Type 27 guard

hubbed sanding flap disc

4.5" (115 mm) Cutting Wheels

Type 1/41 guard**

unthreaded backing flange

Type 27/42 depressed

center wheel, cutting only

threaded locking flange

Type 1/41 guard**

unthreaded backing flange

Type 1/41 abrasive

cutting wheel

threaded locking flange

Type 1/41 guard**

unthreaded backing flange

diamond cutting wheel

threaded locking flange

Wire Wheels

Type 27 guard

3–4" (76.2–100 mm)

wire cup brush

Type 27 guard

4" (100 mm)

wire wheel

Sanding Discs

rubber backing pad

sanding disc

clamp nut

ACCESSORIES CHART



Type 1/41 guards are intended for use with Type 1/41 cutting wheels and Type 27 wheels marked for cutting only.

Grinding with wheels other than Type 27 and Type 29 require different accessory guards. Always use the smallest proper

guard possible that does not contact theaccessory.

** NOTE: A Type 1/41 guard is available at extra cost from your local dealer or authorized servicecenter.

FRANÇAIS

Définitions : symboles et termes d'alarmes sécurité

Ces guides d'utilisation utilisent les symboles et termes d'alarmes sécurité suivants pour vous prévenir de situations

dangereuses et de risques de dommages corporels ou matériels.



DANGER: indique une situation dangereuse imminente qui, si elle n’est pas évitée, entraînera la mort ou des

blessuresgraves.



AVERTISSEMENT: indique une situation potentiellement dangereuse qui, si elle n’est pas évitée, pourrait entraîner la

mort ou des blessuresgraves.



ATTENTION: indique une situation potentiellement dangereuse qui, si elle n’est pas évitée, pourrait entraîner des

blessures légères oumodérées.



(Si utilisé sans aucun terme) Indique un message propre à la sécurité.

AVIS : indique une pratique ne posant aucun risque de dommages corporels mais qui par contre, si rien n’est fait

pour l’éviter, pourrait poser des risques de dommages matériels.



AVERTISSEMENT : lire tous les avertissements

de sécurité et toutes les directives. Le non-respect

des avertissements et des directives pourrait se

solder par un choc électrique, un incendie et/ou une

blessuregrave.

AVERTISSEMENT : afin de réduire le risque de

blessures, lire le mode d’emploi del’outil.

Pour toute question ou remarque au sujet de cet outil

ou de tout autre outil

DeWALT

, composez le numéro

sans frais : 1-800-4-

DeWALT

(1-800-433-9258).

Gâchette

Bouton de verrouillage

Bouton de verrouillage de la tige

Tige

Poignée latérale

Bride tournante non filetée

Bride de verrouillage filetée

Protecteur de type 27 (4,5 po/115 mm)

Levier de libération du protecteur

Bloc-piles

Bouton de libération du bloc-piles

Français (traduction de la notice d’instructions originale)

Fig. A

2 13

FRANÇAIS

AVERTISSEMENTS DE SÉCURITÉ GÉNÉRAUX

POUR LES OUTILS ÉLECTRIQUES



AVERTISSEMENT! lire tous les avertissements de

sécurité et toutes les directives. Le non-respect

des avertissements et des directives pourrait se

solder par un choc électrique, un incendie et/ou une

blessuregrave.

CONSERVER TOUS LES

AVERTISSEMENTS ET TOUTES

LES DIRECTIVES POUR UN USAGE

ULTÉRIEUR

Le terme « outil électrique » cité dans les avertissements se

rapporte à votre outil électrique à alimentation sur secteur

(avec fil) ou par piles (sans fil).

1) Sécurité du lieu de travail

a ) Tenir l’aire de travail propre et bien éclairée.

Les lieux encombrés ou sombres sont propices

auxaccidents.

b ) Ne pas faire fonctionner d’outils électriques

dans un milieu déflagrant, tel qu’en présence de

liquides, de gaz ou de poussières inflammables.

Les outils électriques produisent des étincelles qui

pourraient enflammer la poussière ou lesvapeurs.

c ) Éloigner les enfants et les personnes à proximité

pendant l’utilisation d’un outil électrique.

Une distraction pourrait en faire perdre la maîtrise

àl’utilisateur.

2) Sécurité en matière d’électricité

a ) Les fiches des outils électriques doivent

correspondre à la prise. Ne jamais modifier la

fiche d’aucune façon. Ne jamais utiliser de fiche

d’adaptation avec un outil électrique mis à la

terre. Le risque de choc électrique sera réduit par

l’utilisation de fiches non modifiées correspondant à

laprise.

b ) Éviter tout contact physique avec des surfaces

mises à la terre comme des tuyaux, des

radiateurs, des cuisinières et des réfrigérateurs.

Le risque de choc électrique est plus élevé si votre corps

est mis à laterre.

c ) Ne pas exposer les outils électriques à la pluie ou

à l’humidité. La pénétration de l’eau dans un outil

électrique augmente le risque de chocélectrique.

d ) Ne pas utiliser le cordon de façon abusive.

Ne jamais utiliser le cordon pour transporter,

tirer ou débrancher un outil électrique. Tenir le

cordon éloigné de la chaleur, de l’huile, des bords

tranchants et des pièces mobiles. Les cordons

endommagés ou enchevêtrés augmentent les risques

de chocélectrique.

e ) Pour l’utilisation d’un outil électrique à

l’extérieur, se servir d’une rallonge convenant à

cette application. L’utilisation d’une rallonge conçue

pour l’extérieur réduira les risques de chocélectrique.

f ) S’il est impossible d’éviter l’utilisation d’un

outil électrique dans un endroit humide,

brancher l’outil dans une prise ou sur un circuit

d’alimentation dotés d’un disjoncteur de fuite à

la terre (GFCI). L’utilisation de ce type de disjoncteur

réduit les risques de chocélectrique.

3) Sécurité personnelle

a ) Être vigilant, surveiller le travail effectué et faire

preuve de jugement lorsqu’un outil électrique

est utilisé. Ne pas utiliser d’outil électrique en

cas de fatigue ou sous l’influence de drogues,

d’alcool ou de médicaments. Un simple moment

d’inattention en utilisant un outil électrique peut

entraîner des blessures corporellesgraves.

b ) Utiliser des équipements de protection

individuelle. Toujours porter une protection

oculaire. L’utilisation d’équipements de protection

comme un masque antipoussière, des chaussures

antidérapantes, un casque de sécurité ou des

protecteurs auditifs lorsque la situation le requiert

réduira les risques de blessurescorporelles.

c ) Empêcher les démarrages intempestifs. S’assurer

que l’interrupteur se trouve à la position

d’arrêt avant de relier l’outil à une source

d’alimentation et/ou d’insérer un bloc-piles, de

ramasser ou de transporter l’outil. Transporter

un outil électrique alors que le doigt repose sur

l’interrupteur ou brancher un outil électrique dont

l’interrupteur est à la position de marche risque de

provoquer unaccident.

d ) Retirer toute clé de réglage ou clé avant de

démarrer l’outil. Une clé ou une clé de réglage

attachée à une partie pivotante de l’outil électrique

peut provoquer des blessurescorporelles.

e ) Ne pas trop tendre les bras. Conserver

son équilibre en tout temps. Cela permet

de mieux maîtriser l’outil électrique dans les

situationsimprévues.

f ) S’habiller de manière appropriée. Ne pas porter

de vêtements amples ni de bijoux. Garder les

cheveux, les vêtements et les gants à l’écart des

pièces mobiles. Les vêtements amples, les bijoux ou

les cheveux longs risquent de rester coincés dans les

piècesmobiles.

g ) Si des composants sont fournis pour le

raccordement de dispositifs de dépoussiérage

et de ramassage, s’assurer que ceux-ci sont bien

raccordés et utilisés. L’utilisation d’un dispositif de

dépoussiérage peut réduire les dangers engendrés par

lespoussières.

h ) Ne pas laisser votre connaissance acquise suite

l’utilisation fréquente des outils vous permettre

de baisser la garde et ignorer les principes de

sécurité de l’outil. Un acte irréfléchi peut causer une

blessure grave en une fraction deseconde.

4) Utilisation et entretien d’un

outil électrique

a ) Ne pas forcer un outil électrique. Utiliser l’outil

électrique approprié à l’application. L’outil

électrique approprié effectuera un meilleur travail,

de façon plus sûre et à la vitesse pour laquelle il a

étéconçu.

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DeWalt DCG412B Manuel utilisateur

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