DeWalt D28770K Handleiding

DeWalt Zaagmachine D28770K

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INSTRUCTION MANUAL

GUIDE D’UTILISATION

MANUAL DE INSTRUCCIONES

D28770

Heavy Duty Deep Cut Variable Speed Band Saw

Scie à ruban à vitesse variable de service intensif pour coupes profondes

Sierra de banda para trabajo pesado, de velocidad variable para cortes profundos

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA

DE GARANTÍA. LÉASE ESTE INSTRUCTIVO ANTESADVERTENCIA:

DE USAR EL PRODUCTO.

Questions? See us on the World Wide Web at www.dewalt.com

DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286

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 configuration; and the array of lozenge-shaped humps

on the surface of the tool.

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)

General Safety Instructions

WARNING! Read and understand all instructions. Failure to follow all instruc-

tions 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

electrician 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.

•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 “W-A”

or “W.” These cords are rated for outdoor use and reduce the risk of electric shock. When

using an extension cord, be sure to use one heavy enough to carry the current your prod-

uct will draw. An undersized cord will cause a drop in line voltage resulting in loss of power

and overheating. The following table shows the correct size to use depending on cord

length and nameplate ampere rating. If in doubt, use the next heavier gage. The smaller

the gage number, the heavier the cord.

Minimum Gage for Cord Sets

Volts Total Length of Cord in Feet

120V 0-25 26-50 51-100 101-150

240V 0-50 51-100 101-200 201-300

Ampere Rating

More Not more AWG

Than Than

0 - 6 18 16 16 14

6 - 10 18 16 14 12

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

medication. A moment of inattention while operating power tools may result in serious per-

sonal injury.

•Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your

hair, clothing, and gloves away from moving parts. Loose clothing, 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, non-skid safety shoes,

hard hat, or hearing protection must be used for appropriate conditions.

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, chang-

ing 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 tool’s operation. If damaged, have the tool serviced

before using. Many accidents are caused by poorly maintained tools.

•Use only accessories that are recommended by the manufacturer for your model.

Accessories that may be suitable for one tool, may become hazardous when used on

another tool.

SERVICE

•Tool service must be performed only by qualified repair personnel. Service or main-

tenance 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 Safety Rules - Portable Band Saws

• Hold tool by insulated gripping surfaces when performing an operation where the

cutting tool may contact hidden wiring. Contact with a “live” wire will make exposed

metal parts of the tool “live” and shock the operator.

•Keep hands away from cutting area and blade. Keep one hand on the main handle and

the other hand on the front handle to prevent loss of control which could result in personal

injury.

• Always make sure the portable band saw is clean before using

• Always cease operation at once if you notice any abnormality whatsoever.

• Always be sure all components are mounted properly and securely before using tool.

• Always handle the band saw blade with care when mounting or removing it.

• Always keep your hands out of the line of the band saw blade.

• Always wait until the motor has reached full speed before starting a cut.

• Always keep handles dry, clean, and free of oil and grease. Hold the tool firmly when in use.

• Always be alert at all times, especially during repetitive, monotonous operations. Always be

sure of position of your hands relative to the blade.

• Never remove material guide.

•Stay clear of end pieces that may fall after cutting off. They may be hot, sharp and/or heavy.

Serious personal injury may result.

WARNING: DO NOT modify and/or use this tool for any application other than for which it

was designed.

WARNING: Exercise extreme caution when cutting blind into conduit and pipe. Be sure the

object being cut does not contain electrical wires, gases, or water, etc., which could create haz-

ardous conditions causing personal injury and property damage.

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 lead-based paints,

• crystalline silica from bricks and cement and other masonry products, and

• arsenic and chromium from chemically-treated lumber (CCA).

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 disburse dust, which may cause serious

and permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory pro-

tection appropriate for the dust exposure. Direct particles away from face and body.

• The label on your tool may include the following symbols. The symbols and their definitions

are as follows:

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 per minute

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

SAVE THESE INSTRUCTIONS

COMPONENTS (FIG. 1, 2)

A. Auxiliary handle I. Speed knob

B. Sight light J. Rubber bumpers

C. Trigger switch K. Hang hook

D. Main handle L. Pulley

E. Material guide M. Blade guard

F. Guide rollers N. Rubber tires

G. Guide roller adjustment O. Blade

H. Blade tension lever P. Sight light switch

ASSEMBLY

Blades

This portable band saw is setup for use with .020" (0.5 mm) thick, 1/2" (12.5 mm) wide and

44-7/8" (1140 mm) long blades. To use .025 (.64 mm) thick blades, please contact an author-

ized DEWALT service center.

CAUTION: The use of any other blade or accessory might be hazardous. DO NOT use any

other type of accessory with your band saw. Blades used on stationary band saws are of

different thickness. Do not attempt to use them on your portable unit.

Blade Selection

In general, first consider the size and shape of the work, and the type of material to be cut.

Remember, for the most efficient cutting, the coarsest tooth blade possible should be used in a

given application, because the coarser the tooth, the faster the cut. In selecting the appropriate

number of teeth per inch of the band saw blade, at least two teeth should contact the work sur-

face when the blade is rested against the workpiece. As a rule of thumb, soft materials usually

require coarse tooth blades, while hard materials require fine tooth blades. Where a smoother

finish is important, select one of the finer tooth blades.

Select the appropriate band saw blade according to the material type, dimensions, and num-

ber of teeth. See Blade Description chart.

CAUTION: The following table is intended as a general guide only. Determine the type of

material and dimension of the workpiece and select the most appropriate band saw blade.

CAUTION: Never use the band saw to cut resin materials which are subject to melting.

Melting of resin material caused by high heat generated during cutting may cause the band saw

blade to become bound to the material, possibly resulting in overload and burn-out of the motor.

Blade Speed

Your D28770 portable band saw is equipped with variable speed for greater versatility.

Turn the speed knob (I) to select the desired speed (Fig. 1).

When cutting copper, brass, bronze, aluminum, cast iron, angle iron, and mild steel, use a

higher speed. Rotate the speed knob to a higher speed

When cutting plastic pipe, tougher steels, chrome steel, tungsten steel, stainless steel, and

other problem materials, use low speed. Rotate the speed knob to a lower speed.

NOTE: When cutting plastic pipe, higher speeds may melt plastic.

Removing and Installing Blades

CAUTION: Turn off and unplug the tool before making any adjustments or removing/

installing attachments or accessories.

CAUTION: Blade tension lever is under spring pressure. Maintain control of lever when

releasing blade tension.

TO REMOVE BLADE (FIG. 1, 2)

1. Rotate the blade tension lever (H) clockwise until it stops to release tension in blade.

2. Turn the saw over and place it on a workbench or table with the cord to the left.

3. Begin removing the blade at the blade guard (M) and continue around the pulleys (L).

When removing the blade, tension may be released and the blade may spring free. SAW

BLADES ARE SHARP. USE CARE IN HANDLING THEM.

BLADE DESCRIPTION

Type of band saw blade Bi-Metal

Number of teeth 24 18 14 10 14/18 10/14

Workpiece thickness

1/8" and under • •

1/8"- 1/4" • •

1/4" - 13/32" • •

13/32" and over •

624781-00,D28770 4/15/04 4:24 PM Page 1

4. Inspect the guide rollers (F1, F2) and remove any large chips which may be lodged in

them. Lodged chips can prevent rotation of the guide rollers and cause flat spots on the

guide rollers.

5. Rubber tires (N) are mounted on the pulleys (L). The rubber tires should be inspected for

looseness or damage when changing the blade. Wipe any chips from the rubber tires on

the pulleys. This will extend tire life and keep the blade from slipping. If any looseness or

damage occurs, the tool should be brought to an authorized DEWALT service center for

repair or replacement as soon as possible. Continued use of the tool with loose or dam-

aged rubber tires will cause unstable travel of the band saw blade.

TO INSTALL BLADE

1. Position the blade so that the teeth are on the bottom and angled toward the material

guide, as shown in Figures 1 and 3.

2. Slip the blade into the guide rollers, as shown in Figure 4.

3. Holding the blade in the guide rollers, place it around both pulleys (L) and through the

material guide (E), as shown in Figure 5.

4. Make sure that the blade is fully inserted into the guide rollers and positioned squarely

against the rubber tires.

5. Gently turn the saw over so that the pulleys rest on your work bench or table and rotate

the blade tension lever (H) counterclockwise until it stops. Make sure the teeth face away

from the bandsaw (Fig. 1, 3).

6. Turn the saw on and off a few times to ensure that the blade is seated properly.

Adjustments

CAUTION: Turn off and unplug the tool before making any adjustments or

removing/installing attachments or accessories.

MATERIAL GUIDE ADJUSTMENT

To support large workpieces, the material guide should be lowered following these steps:

1. Loosen the two M6 screws (Q), shown in Figure 1, with the Allen wrench provided.

2. Move the material guide (E) to the desired position (Fig 5).

3. Securely tighten M6 screws.

LOCATION ADJUSTMENT OF GUIDE ROLLERS - for straighter cuts of smaller pieces

For straight cuts on smaller pieces, adjust the guide rollers using the following steps:

1. Loosen 14mm bolt (G).

2. Move the front guide roller (F1) closer to the material.

3. Tighten 14mm bolt.

OPERATION

Motor

Be sure your power supply agrees with the voltage marked on the nameplate. 120 Volts AC

60Hz means alternating current only. Voltage decrease of more than 10% will cause loss of

power and overheating. All DEWALT tools are factory-tested. If this tool does not operate,

check the power supply line for blown fuses and the plug and receptacle for proper contact.

There are certain applications for which this tool was designed.

This band saw is designed to cut various types of material up to 4-3/4" (120.7 mm) diameter

or 4-3/4" (120.7 mm) x 4-3/4" (120.7 mm) rectangular shape at 90˚.

WARNING: Thoroughly remove any oil or grease from the workpiece before securing in a

vise or other clamping device. If the workpiece is not secure, it may come loose during the cut-

ting and/or cause breakage, which may result in serious personal injury.

WARNING: Never connect the power tool unless the available AC power is of the same

voltage as that specified on the nameplate of the tool. Never connect this power tool to a DC

power source.

WARNING: If the power cord is connected to the power source with the trigger switch

turned ON the power tool will start suddenly and could cause a serious accident.

Trigger Switch

To start the tool, squeeze the trigger switch (C). To turn the tool off, release the switch.

Cutting

CAUTION: Refer to Figure 9 for recommended cutting positions for various materials.

NOTE: Select and use a band saw blade that is most appropriate for the material being cut.

See Blade Description.

This portable band saw may be hung using the hang hook (K). Hang tool on a pipe vice or

other suitable, stable structure. (Fig. 2)

1. Mount the material to be cut solidly in a vise or other clamping device. Never attempt to

use this tool by resting it on a work surface and bringing the material to the tool. Always

securely clamp the workpiece and bring the tool to the workpiece, securely holding the tool

with two hands as shown in Figure 6.

2. If additional light is needed, a sight light (B) can be activated using the sight light switch (P)

as shown in Figure 1. If replacement is required, return to an authorized service center or

other qualified service personnel, always using identical replacement parts.

3. Bring the material guide (E) into contact with the workpiece. Turn the saw ON.

4. When saw reaches desired rotation speed, slowly and gently tilt the main body of the tool

to bring the band saw blade into contact with the workpiece. Do not apply additional pres-

sure in excess of the weight of the main body of the tool. Carefully avoid bringing the band

saw blade suddenly and heavily into contact with the upper surface of the workpiece. This

will cause serious damage to the band saw blade. To obtain maximum service life of the

band saw blade, ensure there is no sudden impact at the beginning of the cutting operation.

5. As shown in Figures 6 and 7, straight cutting can be accomplished by keeping the band

saw blade aligned with the side surface of the motor housing. Any twisting or cocking of

the blade will cause the cut to go offline and decrease the life of the blade.

BLADE

DIRECTION

DIRECTION DE

LA LAME

DIRECCIÓN DE

LA HOJA

FIG 4

FIG. 8

Item Model D28770

Motor Type Protected type, series commutator motor

Power source single-phase, AC 60Hz

Voltage 120 volts

Full-load current 6 amp

Band Saw Dimensions 1/2" x 44-7/8" x .020" (12.5 mm x 1140 mm x .5 mm)

Blade Peripheral speed 80 - 280 ft/min (25-85 m/min)

Max. Cutting Pipe outer dimensions 4-3/4" (120,7 mm)

Dimensions Stock 4-3/4" x 4-3/4" (120,7 mm x 120,7 mm)

Net Weight 15 lbs. (6.8 kg)

Cord 3 conductor type captive cable 8.0 ft. (2.4 m)

FIG. 1 FIG. 2

FIG. 5

LOOSEN

DESSERRER

AFLOJE

BLADE DIRECTION

DIRECTION DE LA LAME

DIRECCIÓN DE LA HOJA

YES / OUI / SÍ NO / NON / NO

FIG. 9 RECOMMENDED CUTTING POSITIONS / POSITIONS DE COUPE

RECOMMANDÉES / POSICIONES DE CORTE RECOMENDADAS

FIG. 6 FIG. 7

PROPER FILL LEVEL / NIVEAU DE REMPLISSAGE APPROPRIÉ /

NIVEL DE LLENADO CORRECTO

POSITION OF TEETH ON LEFT SIDE OF MACHINE

POSITION DES DENTS DU CÔTÉ GAUCHE, SUR

LE CÔTÉ DE LA MACHINE

POSICIÓN DE LOS DIENTES SOBRE LADO

IZQUIERDO DEL COSTADO DE LA MÁQUINA

Article Modèle D28770

Moteur Type Type protégé, série moteur à collecteur

Circuit d’alimentation électrique monophasé, c.a., 60Hz

Tension 120 volts

Courant de pleine charge 6 A

Lame de scie Dimensions 12,5 mm x 1 140 mm x 0,5 mm

à ruban (1/2 po x 44-7/8 po x .020 po)

Vitesse périphérique 25 à 85 m/min (80 à 280 pi/min)

Dimensions Dimensions externes du tuyau 120,7 mm (4-3/4 po)

maximales Matériau à couper 120,7 mm x 120,7 mm

de la coupe (4-3/4 po x 4-3/4 po)

Poids net 6,8 kg (15 lb)

Cordon Fiche à 3 broches et à 3

conducteurs de 2,4 m (8,0 pi))

Artículo Modelo D28770

Motor Tipo Motor conmutador en serie, tipo protegido

Fuente de alimentación CA 60 Hz, monofásica

Voltaje 120 voltios

Corriente a plena carga 6 amperios

Hoja de la sierra Dimensiones 12,5 mm x 1 140 mm x 0,5 mm

de banda (1/2 pulg. x 44-7/8 pulg. x .020 pulg.)

Velocidad periférica 25 - 85 m/min (80 - 280 pies/min)

Dimensiones Dimensiones exteriores

máximas de de tubería 120,7 mm (4-3/4 pulg.)

corte Material a cortar 120,7 x 120,7 mm (4-3/4 x 4-3/4 pulg.)

Peso neto 6,8 kg (15 lb.)

Cable Cable cautivo de 3 conductores, de 2,4 m

(8,0 pies) de largo

YES / OUI / SÍ

YES / OUI / SÍYES / OUI / SÍ

YES / OUI / SÍ YES / OUI / SÍ

NO / NON / NO

FIG. 3

624781-00,D28770 4/15/04 4:24 PM Page 2

CAUTION: During cutting, if the band saw becomes locked or jammed in the workpiece

material, release the switch immediately to avoid damage to the band saw blade and motor.

6. The tool’s own weight provides the most efficient downward cutting pressure. Added oper-

ator pressure slows the blade and reduces blade life.

7. End pieces, which would be heavy enough to cause injury when they drop, after cut-off,

should be supported. Safety shoes are strongly recommended. End pieces may be hot.

8. Hold the saw firmly in both hands so that the saw does not fall against clamped or sup-

ported material when the cut is completed. DO NOT MAKE ANY SPEED CHANGES

UNLESS TOOL HAS BEEN TURNED OFF.

Tips for Better Cutting

The following recommendations should be used as a guide. Results may vary with the opera-

tor and the particular material being cut.

• Never twist the band saw blade during cutting operation.

• Never use liquid coolants with portable band saws. Use of liquid coolants will cause build-

up on tires and reduce performance.

• If excessive vibration occurs during the cut, turn the bandsaw off and adjust the speed

slightly. Ensure that the material being cut is is securely clamped down. If vibration contin-

ues, change the band saw blade.

MAINTENANCE

CAUTION: To avoid accidental injury, turn off and unplug the tool before making any

adjustments, performing any maintenance or inspection of this tool.

Lubrication

WARNING: Be careful, gear oil may be hot! Contact with hot gear oil may result in per-

sonal injury.

CAUTION: When adding gear oil, use extreme caution not to permit shavings or dirt to enter

oil tank. Damage to tool may result.

The oil gauge in equipped with an O-ring which prevents leakage of the oil. Keep O-ring clean

and free of debris. Be sure to reinstall the O-ring when replacing the oil gauge.

TO CHECK GEAR OIL

1. Place the main body of the tool on a flat surface. Be sure the level of gear oil is between

the “red mark” and the lower portion of the gauge, as shown in Figure 8.

2. If the level is lower than the lower portion of the gauge, loosen and remove the oil gauge

(R). Replenish with DEWALT Band Saw Oil only. Failure to do so may void warranty.

DEWALT Band Saw Oil is available at your local authorized service center.

3. If the level of gear oil exceeds the “red mark” remove the oil as necessary to bring it to

the correct level. Total oil capacity is 30 ml (1.0 fl. oz.). Overfilling may leak oil and dam-

age motor.

Cleaning

CAUTION: 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 cloth

dampened only with water and mild soap. Never let any liquid get inside the tool; never

immerse any part of the tool into a liquid.

Periodically remove chips and other waste material from the surface of the power tool by using

a damp cloth and mild soap. Many household cleaners contain chemicals which could seri-

ously damage plastic. Also, do not use gasoline, turpentine, lacquer or paint thinner, dry clean-

ing fluids or similar products. To avoid malfunction of the motor, protect it from contact with oil

or water.

Repairs

To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment (includ-

ing brush inspection and replacement) should be performed by authorized service centers or

other qualified service personnel, always using identical replacement parts.

ACCESSORIES

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 for your

tool, contact: DEWALT Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286.

CAUTION: The use of any other accessory not recommended for use with this tool could

be hazardous.

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. This warranty does not apply to accessories or

damage caused where repairs have been made or attempted by others. 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.

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.

FREE WARNING LABEL REPLACEMENT: If your warning labels become illegible or are

missing, call 1-800-4-DEWALT for a free replacement.

SI VOUS AVEZ DES QUESTIONS OU VOUS VOULEZ NOUS FAIRE PART DE VOS COM-

MENTAIRES CONCERNANT CET OUTIL OU TOUT AUTRE OUTIL DEWALT, COMPOSEZ

SANS FRAIS LE : 1 800 433-9258. (1-800-4-DEWALT).

Consignes de sécurité - généralités

AVERTISSEMENT : Lire, comprendre et suivre toutes les directives pré-

cisées ci-dessous afin d’éviter les risques de choc électrique, d’incendie ou de

blessure grave.

CONSERVER CES DIRECTIVES

AIRE DE TRAVAIL

•Garder l’aire de travail propre et bien éclairée; les établis encombrés et les endroits

sombres sont propices aux accidents.

•Ne pas utiliser les outils électriques dans une atmosphère explosive, comme à prox-

imité de liquides, de gaz ou de poussières inflammables; le moteur peut créer des étin-

celles et enflammer les vapeurs ou les poussières environnantes.

•Tenir les enfants, les visiteurs ou toute autre personne à l’écart lorsqu’on utilise un

outil électrique; les distractions peuvent faire perdre la maîtrise de ce dernier.

MESURES DE SÉCURITÉ – ÉLECTRICITÉ

•Les outils mis à la terre doivent être branchés dans une prise correctement installée

et mise à la terre tel que l’indiquent les codes et règlements en vigueur. Ne jamais

retirer la broche de mise à la terre ou modifier la prise en aucune façon. Ne pas utilis-

er de fiche d’adaptation. Consulter un électricien qualifié s’il y a un doute en ce qui

concerne la mise à la terre de la prise. En cas de défaillance électrique ou de bris de

l’outil, la mise à la terre procure un chemin de faible résistance au courant afin de réduire

les risques de choc électrique.

•Éviter tout contact entre le corps et les éléments mis à la terre, comme les tuyaux,

les radiateurs, les cuisinières et les réfrigérateurs, afin de réduire les risques de choc

électrique.

•Ne pas utiliser l’outil électrique dans des endroits mouillés, ni l’exposer à la pluie;

l’infiltration d’eau à l’intérieur de l’outil augmente les risques de choc électrique.

•Ne pas utiliser le cordon de manière abusive; on ne doit pas transporter l’outil en le

tenant par le cordon, ou utiliser ce dernier pour le débrancher. On doit tenir le cor-

don à l’écart des sources de chaleur, de l’huile, des bords tranchants ou des pièces

mobiles. Remplacer immédiatement les cordons endommagés, car ces derniers aug-

mentent les risques de choc électrique.

•Lorsqu’on utilise un outil électrique à l’extérieur, on ne doit utiliser que des ral-

longes conçues pour cet usage, comme celles de type W-A ou W, afin de réduire les

risques de choc électrique. S’assurer que la rallonge est en mesure de porter le courant

nécessaire à l’outil. Une rallonge de calibre inférieur entraînera une chute de tension se

traduisant par une perte de puissance et une surchauffe. Le tableau ci-dessous illustre les

calibres que l’on doit utiliser selon la longueur de la rallonge et l’intensité nominale indiquée

sur la plaque signalétique. En cas de doute, utiliser le calibre suivant. Plus le calibre est

petit, plus la rallonge peut porter de courant.

Calibre minimal des cordons de rallonge

Tension Longueur totale de la rallonge en mètres

120 V De 0 à 7,6 De 7,6 à 15,2 De 15,2 à 30,4 De 30,4 à 45,7

240 V De 0 à 15,2 De 15,2 à 30,4 De 30,4 à 60,9 De 60,9 à 91,4

Intensité nominale (en amperes)

Plus dePas plus deCalibre AWG

0 - 6 18 16 16 14

6 - 10 18 16 14 12

SÉCURITÉ PERSONNELLE

•Rester vigilant en tout temps et faire preuve de jugement lorsqu’on utilise un outil

électrique. Ne pas utiliser l’outil lorsqu’on est fatigué ou sous l’influence de

drogues, d’alcool ou de médicaments, car un moment d’inattention pourrait entraîner

des blessures graves.

•Porter des vêtements appropriés. Ne pas porter des vêtements amples ou des

bijoux. Couvrir ou attacher les cheveux longs. Garder les cheveux, les vêtements,

les bijoux et les gants éloignés des pièces mobiles, car ceux-ci peuvent s’y coincer. Se

tenir éloigné des évents puisque ces derniers pourraient camoufler des pièces mobiles.

•Éviter les démarrages accidentels; s’assurer que l’interrupteur est en position d’ar-

rêt avant de brancher l’outil. Ne pas transporter l’outil en laissant le doigt sur l’interrup-

teur ni le brancher lorsque l’interrupteur est en position de marche, car cela pourrait causer

un accident.

•Retirer les clés de réglage avant de démarrer l’outil. Une clé laissée sur une pièce rota-

tive pourrait entraîner des blessures.

•Ne pas trop étendre les bras. Les pieds doivent rester ancrés fermement au sol afin

de maintenir son équilibre en tout temps et de mieux maîtriser l’outil dans des situations

imprévues.

•Utiliser le matériel de sécurité approprié; toujours porter des lunettes de protection.

Porter un masque anti-poussières, des chaussures antidérapantes, un casque de sécurité

ou des protecteurs auditifs lorsque la situation le requiert.

UTILISATION ET ENTRETIEN DE L’OUTIL

•Fixer et soutenir la pièce sur une plate-forme stable au moyen d’une bride de serrage

ou de tout autre dispositif semblable. La pièce est instable lorsqu’on la retient manuelle-

ment ou qu’on l’appuie contre le corps, ce qui pourrait faire perdre la maîtrise de l’outil.

•Ne pas forcer l’outil ni l’utiliser pour des travaux autres que ceux pour lesquels il a

été conçu. Pour obtenir de meilleurs résultats et prévenir les risques de blessure, laisser

l’outil couper à la vitesse pour laquelle il a été conçu.

•Ne pas utiliser l’outil lorsque l’interrupteur marche-arrêt ne fonctionne pas. Tout outil

qui ne peut être commandé au moyen de l’interrupteur est dangereux et doit être réparé

•Débrancher l’outil de la source d’alimentation électrique avant d’effectuer un

réglage, de changer les accessoires ou de ranger l’outil; ces mesures de sécurité

préventives réduisent les risques de démarrage accidentel.

•Lorsqu’on n’utilise pas l’outil, le ranger hors de la portée des enfants ou des per-

sonnes non qualifiées. Les outils sont dangereux entre les mains de personnes inex-

périmentées.

•Bien entretenir l’outil; s’assurer qu’il est toujours bien propre et aiguisé. Les outils

bien entretenus et dont les bords sont bien tranchants sont moins susceptibles de rester

coincés et sont plus faciles à maîtriser.

•Vérifier les pièces mobiles afin de s’assurer qu’elles sont bien alignées et qu’elles

ne restent pas coincées. Vérifier également les pièces afin de s’assurer qu’il n’y a

aucun bris ni aucune autre condition susceptible de nuire au bon fonctionnement

de l’outil. Faire réparer l’outil si ce dernier est endommagé avant de s’en servir à

nouveau, car les accidents sont souvent causés par des outils mal entretenus.

•N’utiliser que les accessoires recommandés par le fabricant pour le modèle con-

cerné. Un accessoire destiné à un outil particulier peut devenir dangereux lorsqu’il est util-

isé avec un autre.

ENTRETIEN

•L’outil doit être entretenu par le personnel qualifié seulement; toute maintenance

effectuée par une personne non qualifiée pourrait entraîner des risques de blessure.

•Lors de l’entretien, n’utiliser que des pièces de rechange identiques et suivre les

directives précisées à la section « Entretien » du présent guide afin de prévenir les

risques de choc électrique ou de blessure.

Régles de sécurité additionnelles concernant les scies

à ruban portatives

• Tenir l’outil par les surfaces isolées prévues à cette fin lorsqu’il risque d’entrer en

contact avec des fils cachés, car de tels contacts peuvent mettre les pièces métalliques

de l’outil sous tension, engendrant des risques de choc électrique.

•Tenir les mains éloignées de l’aire de coupe et de la lame. Garder une main sur la

poignée principale et l’autre, sur la poignée avant afin d’éviter de perdre la maîtrise de l’outil

et de risquer des blessures.

• Toujours s’assurer que la scie à ruban portative est propre avant de l’utiliser.

• Toujours arrêter immédiatement le fonctionnement de la scie lorsqu’on remarque une

anomalie.

• Toujours s’assurer que les composants sont installés correctement et fixés solidement

avant d’utiliser l’outil.

• Toujours manipuler la lame de la scie à ruban avec soin lorsqu’on l’installe ou qu’on la retire.

• Toujours garder les mains éloignées de la ligne de coupe de la lame de scie.

• Toujours attendre que le moteur ait atteint sa vitesse maximale avant d’amorcer une coupe.

• Toujours s’assurer que les poignées sont propres, sèches et exemptes de toute trace

d’huile et de graisse. Tenir fermement l’outil durant son utilisation.

• Rester vigilant en tout temps, surtout lorsqu’on effectue des tâches répétitives et mono-

tones. Toujours s’assurer de bien positionner les mains par rapport à la lame.

• Ne jamais retirer le guide du matériau.

•Rester éloigné des extrémités de la pièce qui peuvent tomber une fois coupées, car elles

peuvent être chaudes, tranchantes ou lourdes, ce qui risque d’entraîner des blessures.

AVERTISSEMENT : NE PAS modifier ou utiliser l’outil pour des travaux autres que ceux

pour lesquels il a été conçu.

AVERTISSEMENT : Faire preuve d’une grande prudence lorsqu’on réalise une coupe

dans un endroit difficile à voir, comme un conduit ou un tuyau. S’assurer que l’objet à couper

ne camoufle pas des fils électriques et qu’il n’est pas rempli de gaz ou d’eau, etc., suscepti-

bles de créer des conditions dangereuses et de causer des blessures graves ou des dom-

mages matériels.

AVERTISSEMENT : Certains outils électriques, tels que les sableuses, les scies, les

meules, les perceuses ou certains autres outils de construction, peuvent produire de la pous-

sière contenant des produits chimiques susceptibles d’entraîner le cancer, des malformations

congénitales ou pouvant être nocifs pour le système reproductif. Parmi ces produits chim-

iques, on retrouve :

• le plomb dans les peintures à base de plomb;

• la silice cristalline dans les briques et le ciment et autres produits de maçonnerie;

• l’arsenic et le chrome dans le bois de sciage ayant subi un traitement chimique (comme

l’arséniate de cuivre et de chrome).

Le risque associé à de telles expositions varie selon la fréquence avec laquelle on effectue

ces travaux. Pour réduire l’exposition à de tels produits, il faut travailler dans un endroit bien

aéré et utiliser le matériel de sécurité approprié, tel un masque anti-poussières spécialement

conçu pour filtrer les particules microscopiques

•Éviter tout contact prolongé avec la poussière soulevée par cet outil ou autres out-

ils électriques. Porter des vêtements de protection et nettoyer les parties exposées

du corps à l’eau savonneuse. S’assurer de bien se protéger afin d’éviter d’absorber par

la bouche, les yeux ou la peau des produits chimiques nocifs.

AVERTISSEMENT : Cet outil peut produire et répandre de la poussière susceptible de

causer des dommages sérieux et permanents au système respiratoire. Toujours utiliser un

appareil respiratoire anti-poussières approprié approuvé par le NIOSH ou l’OSHA. Diriger les

particules dans le sens opposé du visage et du corps.

• L’étiquette apposée sur l’outil peut afficher les symboles suivants. Ces symboles et leurs

définitions sont les suivants :

V ................volts A ....................ampères

Hz ..............hertz W ..................watts

min ............minutes ................courant alternatif

............courant continu no ..................vitesse à vide

..............construction de classe II ..................borne de terre

..............symbole d’avertissement …/min ............tours par minute

sppm ..........surface de sciage par minute

CONSERVER CES DIRECTIVES

624781-00,D28770 4/15/04 4:24 PM Page 3

Product specificaties

Merk:	DeWalt
Categorie:	Zaagmachine
Model:	D28770K

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