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DeWalt DW743N-QS Traducido De Las Instrucciones Originales página 27

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Do not wear loose clothing or jewellery, as these can be caught in moving parts. Non-skid
footwear is recommended when working outdoors. Wear protective hair covering to contain
long hair.
9 . Use protective equipment.
Always use safety glasses. Use a face or dust mask if working operations create dust or flying
particles. If these particles might be considerably hot, also wear a heat-resistant apron. Wear
ear protection at all times. Wear a safety helmet at all times.
10 . Connect dust extraction equipment.
If devices are provided for the connection of dust extraction and collecting equipment, ensure
these are connected and properly used.
11 . Do not abuse the cord.
Never yank the cord to disconnect it from the socket. Keep the cord away from heat, oil
and sharp edges. Never carry the tool by its cord.
12 . Secure work.
Where possible use clamps or a vice to hold the work. It is safer than using your hand and it
frees both hands to operate the tool.
13 . Do not overreach.
Keep proper footing and balance at all times.
14 . Maintain tools with care.
Keep cutting tools sharp and clean for better and safer performance. Follow instructions for
lubricating and changing accessories. Inspect tools periodically and if damaged have them
repaired by an authorized service facility. Keep handles and switches dry, clean and free from
oil and grease.
15 . Disconnect tools.
When not in use, before servicing and when changing accessories such as blades, bits and
cutters, disconnect tools from the power supply.
16 . Remove adjusting keys and wrenches.
Form the habit of checking to see that adjusting keys and wrenches are removed from the tool
before operating the tool.
17 . Avoid unintentional starting.
Do not carry the tool with a finger on the switch. Be sure that the tool is in the "off" position
before plugging in.
18 . Use outdoor extension leads.
Before use, inspect the extension cable and replace if damaged. When the tool is used
outdoors, use only extension cords intended for outdoor use and marked accordingly.
19 . Stay alert.
Watch what you are doing. Use common sense. Do not operate the tool when you are tired or under
the influence of drugs or alcohol.
20 . Check for damaged parts.
Before use, carefully check the tool and mains cable to determine that it will operate properly
and perform its intended function. Check for alignment of moving parts, binding of moving
parts, breakage of parts, mounting and any other conditions that may affect its operation. A
guard or other part that is damaged should be properly repaired or replaced by an authorized
service centre unless otherwise indicated in this instruction manual. Have defective switches
replaced by an authorized service centre. Do not use the tool if the switch does not turn it on
and off. Never attempt any repairs yourself.

WARNING! The use of any accessory or attachment or performance of any operation
with this tool other than those recommended in this instruction manual may present a
risk of personal injury.
21 . Have your tool repaired by a qualified person.
This electric tool complies relevant safety rules. Repairs should only be carried out by qualified
persons using original spare parts; otherwise this may result in considerable danger to
the user.
Additional Safety Rules for Flip-over Saws
Do not allow untrained people to operate this machine.
Do not use the saw to cut materials other than wood or similar materials.
Select the correct saw blade for the material to be cut.
Do not use cracked or damaged saw blades.
Do not use HIGH SPEED STEEL blades.
Use correctly sharpened blades. Observe the maximum speed marked on the saw blade. The
marked speed must always be equal to or greater than the no-load speed of the machine
specified under technical data.
Do not use any spacers and spindle rings to make a blade fit onto the spindle.
Ensure that the saw blade is mounted correctly before use.
Make sure that the blade rotates in the correct direction. Keep the blade sharp.
Do not use blades of larger or smaller diameter than recommended. For the proper blade
rating refer to the technical data. Use only the blades specified in this manual, complying
with EN 847-1.
Consider applying specially designed noise-reduction blades.
Disconnect the machine from the mains supply before leaving the working place.
Do not use the saw without the guards and riving knife in position and properly maintained,
especially when changing from mitre saw mode to bench saw mode, or vice versa.
Make sure the floor area around the machine is level, well maintained and free of loose
materials, e.g. chips and cut-offs.
Make sure adequate general or localized lighting is provided.
Wear suitable personal protective equipment when necessary, including:
ʵ hearing protection to reduce the risk of induced hearing loss;
ʵ respiratory protection to reduce the risk of inhalation of harmful dust;
ʵ gloves for handling saw blades and rough material. Saw blades should be carried in a
holder wherever practicable.
Before making any operation ensure the machine is located on an even and stable surface.
Refrain from removing any cut-offs or other parts of the work piece from the cutting area
while the saw is running and the saw head is not in the rest position.
Replace the table insert when worn.
Replace the table when the slot in the table is too wide.
Report faults in the machine, including guards or saw blades, to your dealer as soon as they
are discovered.
Ensure that the upper portion of the saw blade is completely enclosed in the mitre
sawing mode.
Ensure that the arm is securely fixed in the working position in the bench sawing mode.
Ensure that the arm is securely fixed when bevelling in the bench saw mode.
Take care when grooving during the bench saw operation by using appropriate guarding
system. Slotting is not allowed.
Connect the saw to a dust collection device when sawing wood. Always consider factors
which influence exposure of dust such as:
ʵ Type of material to be machined (chip board produces more dust than wood);
ʵ Correct adjustment of the saw blade;
ʵ Ensure that the local extraction as well as hoods, baffles and chutes are properly adjusted.
ʵ Dust extractor with air velocity not less than 20 m/s
Do not use any abrasive discs or diamond cutting wheels..
In case of an accident or machine failure, immediately turn the machine off and disconnect
machine from the power source.
Report the failure and mark the machine in suitable form to prevent other people from using
the defective machine.
When the saw blade is blocked due to abnormal feed force during cutting, turn the machine
off and disconnect it from power supply. Remove the workpiece and ensure that the saw
blade runs free. Turn the machine on and start new cutting operation with reduced feed force.
Never cut light alloy, especially magnesium.
Whenever the situation allows, mount the machine to a bench using bolts with a diameter of
8 mm and 80 mm in length (Fig. C2).
Additional Safety Rules for Mitre Saws
Make sure all locking knobs and clamp handles are tight before starting any operation.
Do not operate the machine without the guard in position, or if the guard does not function or
is not maintained properly.
Never use your saw without the kerf plate.
Never place either hand in the blade area when the saw is connected to the electrical
power source.
Never attempt to stop a machine in motion rapidly by jamming a tool or other means against
the blade; serious accidents can be caused unintentionally in this way.
Before using any accessory consult the instruction manual. The improper use of an accessory
can cause damage.
Select the correct blade for the material to be cut.
Use a holder or wear gloves when handling a saw blade or rough material.
Raise the blade from the kerf in the workpiece prior to releasing the switch.
Ensure that the arm is securely fixed when performing bevel cuts.
Do not wedge anything against the fan to hold the motor shaft.
The blade guard on your saw will automatically raise when the arm is brought down; it will
lower over the blade when the arm is raised. The guard can be raised by hand when installing
or removing saw blades or for inspection of the saw. Never raise the blade guard manually
unless the saw is switched off.
Keep the surrounding area of the machine well maintained and free of loose materials, e.g.
chips and cut-offs.
Check periodically that the motor air slots are clean and free of chips.
Replace the kerf plate when worn.
Disconnect the machine from the mains before carrying out any maintenance work or when
changing the blade.
Never perform any cleaning or maintenance work when the machine is still running and the
head is not in the rest position.
When possible, always mount the machine to a bench.
If you use a laser to indicate the cutting line, make sure that the laser is of class 2 according
to EN 60825-1:2007. Do not replace a laser diode with a different type. If damaged, have the
laser repaired by an authorised repair agent.
Never use the machine in mitre saw mode as long as the guard is not fitted (
Never cut workpiece shorter than 150 mm.
Without additional support the machine is designed to accept the maximum workpiece size
of:
ʵ Height 68 mm by width 140 mm by length 600 mm
ʵ Longer workpieces need to be supported by suitable additional table, e.g. DE3497. Always
clamp the workpiece safely.
Always clamp the workpiece safely.
EnGLIsH
 50 
, Fig. D).
25

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