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General Power Tool Safety Warnings

WARNING! Read all safety warnings and instructions.

Failure to follow the

warnings and instructions 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 residual current

device (RCD) protected supply. 

Use of an RCD 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 energising 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 jewellery. Keep your hair, clothing

and gloves away from moving parts.

Loose clothes, jewellery 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.

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 the battery pack 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. 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 work to be 
performed.

Use of the power tool for operations different from those intended could

result in a hazardous situation.

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.

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.

SPECIFIC SAFETY RULES

Hold power tools 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.

Always use proper eye protection and a respirator when sanding.

Sanding of lead-based paint is not recommended.

See 

Sanding Lead Based Paint

for

additional information before sanding paint.

Clean

your tool out periodically.

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.

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 use safety glasses. Everyday eye glasses 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 

SAFETY GUIDELINES - DEFINITIONS

It is important for you to read and understand this manual. 
The information it contains relates to protecting YOUR SAFETY and PREVENTING 
PROBLEMS. The symbols below are used to help you recognize this information. 

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.

CAUTION: 

Used without the safety alert symbol indicates a potentially hazardous situation

which, if not avoided, may result in property damage.

Symbols

The label on your tool may include the following symbols.

V ..........................volts

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

Hz ........................hertz

W ........................watts

min ........................minutes

......................alternating current

......................direct current

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

..........................Class II Construction

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

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

.../min ..................revolutions or 

reciprocations per minute

Cat. No. QS540  

Form No. 494402-00 Rev. 1

MAR. ‘08

Copyright © 2008 Black & Decker

Printed in China

KEY INFORMATION YOU SHOULD KNOW:

• Never operate the sander without recommended

sandpaper properly installed on the  base. 

• Do not push down—let the sander do the work. 

• Extended drywall sanding is not recommended.

VEA EL ESPAÑOL EN LA CONTRAPORTADA.

SAVE THIS MANUAL FOR FUTURE REFERENCE.

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y
PÓLIZA DE GARANTÍA. 

ADVERTENCIA: 

LÉASE ESTE

INSTRUCTIVO ANTES DE USAR EL PRODUCTO. 

INSTRUCTION MANUAL

Catalog No. QS540

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BEFORE RETURNING THIS PRODUCT 

FOR ANY REASON PLEASE CALL 

1-800-544-6986 

BEFORE YOU CALL, HAVE THE CATALOG No. AND DATE CODE AVAILABLE. IN MOST CASES, A

BLACK & DECKER 

REPRESENTATIVE CAN RESOLVE THE PROBLEM OVER THE PHONE. IF YOU HAVE A

SUGGESTION OR COMMENT, GIVE US A CALL. YOUR FEEDBACK IS VITAL TO BLACK & DECKER.

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Summary of Contents for QS540

Page 1: ...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 c...

Page 2: ... collect the dust as you sand Simply remove the dust bag and install a vacuum hose Ensure that the vacuum cleaner can be placed such that it will not tip over or interfere with the motion of the sander If this cannot be done do not use the vacuum cleaner Turn on the vacuum cleaner before beginning to sand and turn it off after turning off the sander Empty vacuum cleaner as required Maintenance Cle...

Page 3: ...nt 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 d autres conditions où il pourrait être mouillé La pénétration de l eau dans un outil électrique augmente le risque ...

Page 4: ...ck Decker ou un centre de réparation autorisé Le disjoncteur est déclenché Remettre le disjoncteur à zéro Si le produit fait déclencher de façon répétée le disjoncteur arrêter immédiatement d utiliser le produit et le faire réparer dans un centre de réparation Black Decker ou un centre de réparation autorisé Le cordon d alimentation Faire remplacer le ou la prise de courant est cordon ou l interru...

Page 5: ...ra cargar con la corriente que requerirá su producto Un cable de menor calibre causará una caída en el voltaje de la línea lo que resultará en pérdida de potencia y sobrecalentamiento El siguiente cuadro muestra el tamaño correcto a utilizar dependiendo del largo del cable y el amperaje nominal Si tiene dudas sobre cuál calibre usar use un calibre mayor Mientras menor el número del calibre mayor l...

Page 6: ...n Herramientas eléctricas Tools Electric de las páginas amarillas de la guía telefónica Esta garantía no se extiende a los accesorios Esta garantía le concede derechos legales específicos usted puede tener otros derechos que pueden variar según el estado o la provincia Si tiene alguna pregunta comuníquese con el gerente del Centro de mantenimiento de Black Decker de su zona Este producto no está d...

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