DeWalt DHS780 Original Instructions Manual page 34

Weight
EnGLISH
12 . Secure work.
ʵ 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.
ʵ Keep proper footing and balance at all times.
14 . Maintain tools with care.
ʵ 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.
ʵ 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.
ʵ 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.
ʵ Do not carry the tool with a finger on the switch. Be sure that the tool is in the "off"
position before connecting to the power supply.
18 . Use outdoor extension leads.
ʵ 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.
ʵ 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.
ʵ Before use, carefully check the tool and power supply 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.
ʵ This electric tool complies with 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 Mitre Saws
• The machine is provided with a special configured power supply cord which can only be
replaced by the manufacturer or its authorised service agent.
• Do not use the saw to cut other materials than those recommended by the manufacturer.
• Do not operate the machine without guards in position, or if guards do not function or are not
maintained properly.
• Ensure that the arm is securely fixed when performing bevel cuts.
• Keep the floor area around the machine level, well-maintained and free of loose materials,
e.g., chips and cut-offs.
• Use correctly sharpened saw blades. Observe the maximum speed mark on the saw blade.
• Select the correct blade for the material to be cut.
• Make sure all locking knobs and clamp handles are tight before starting any operation.
• Never place either hand in the blade area when the saw is connected to the electrical
power source.
• Do not reach behind the fence with either hand closer than 100 mm from either side of
the saw blade, to remove wood scraps, or for any other reason while the blade is spinning.
The proximity of the spinning saw blade to your hand may not be obvious and you may be
seriously injured.
• Never attempt to stop a machine in motion rapidly by jamming a tool or other means against
the blade; serious accidents can occur.
• Before using any accessory consult the instruction manual. The improper use of an accessory
can cause damage.
• Use a holder or wear gloves when handling a saw blade or rough material.
32
Batteries
Weight
DCB107
Cat # V Ah kg
DC
DCB546 18/54 6.0/2.0 1.05 270
DCB547 18/54 9.0/3.0 1.25 420
DCB181 18 1.5 0.35 70
DCB182 18 4.0 0.61 185
DCB183/B 18 2.0 0.40 90
DCB184/B 18 5.0 0.62 240
DCB185 18 1.3 0.35 60
DCB187 18 3.0 0.48 140
Chargers/Charge Times (Minutes)
DCB113 DCB115 DCB118 DCB132 DCB119
140 90 60 90 X
220 140 85 140 X
35 22 22 22 45
100 60 60 60 120
50 30 30 30 60
120 75 75 75 150
30 22 22 22 X
70 45 45 45 90
• Ensure that the saw blade is mounted correctly before use.
• Make sure that the blade rotates in the correct direction.
• 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.
• Do consider applying specially designed noise-reduction blades.
• Do not use HIGH SPEED STEEL blades.
• Do not use cracked or damaged saw blades.
• Do not use any abrasive or diamond discs.
• Never use your saw without the kerf plate.
• Before each cut ensure that the machine is stable.
• Raise the blade from the kerf in the workpiece prior to releasing the switch.
• Do not wedge anything against the fan to hold the motor shaft.
• The blade guard on your saw will automatically raise when the head up-lock release lever is
pushed and the arm is brought down; it will lower over the blade as the arm is raised.
• Never raise the blade guard manually unless the saw is switched off. The guard can be raised
by hand when installing or removing saw blades or for inspection of the saw.
• Check periodically that the motor air slots are clean and free of chips.
• Replace the kerf plate when worn. Refer to service parts list included.
• 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 upper position.
• If you use an LED to indicate the cutting line, make sure that the LED is of class 2 according
to EN62471. Do not replace an LED diode with a different type. If damaged, have the LED
repaired by an authorised repair agent.
• The front section of the guard is louvered for visibility while cutting. Although the louvers
dramatically reduce flying debris, they are openings in the guard and safety glasses should be
worn at all times when viewing through the louvers.
• 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 sharpness of the saw blade;
ʵ correct adjustment of the saw blade;
ʵ dust extractor with air velocity not less than 20m/s.
• Ensure that the local extraction as well as hoods, baffles and chutes are properly adjusted.
• Please be aware of the following factors influencing exposure to noise:
ʵ use saw blades designed to reduce the emitted noise;
ʵ use only well sharpened saw blades.
• Machine maintenance shall be conducted periodically.
• Provide adequate general or localized lighting.
• Ensure that any spacers and spindle rings are suitable for the purpose as stated in this manual.
• Refrain from removing any cut-offs or other parts of the workpiece from the cutting area while
the machine is running and the saw head is not in the upper position.
• Never cut workpieces shorter than 200 mm.
• Without additional support the machine is designed to accept the maximum workpiece size
for cross-cutting:
ʵ Maximum height: 112 mm
ʵ Maximum width: 345 mm
ʵ Maximum length: 600 mm
ʵ Longer workpiece needs to be supported by suitable additional support, e.g. DE7023-XJ or
DE7033-XJ legstand. Always clamp the workpiece safely.
• 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.