Prior To Operation - DeWalt DWS778 Notice D'instructions

If adjustment is required, turn the 45° bevel adjustment stop screw
out as necessary until the pointer 46

Prior to Operation

• Install the base extensions to both sides of the saw's base. Refer to
Assembling the Base Extensions section.
• Check the protective belt cover for damage and the proper functioning
of the lower guard.
• Make sure to use the kerf plate. Do not operate the machine if the kerf
slot is wider than 12 mm.
• Install the appropriate saw blade. Do not use excessively worn blades.
The maximum rotation speed of the tool must not exceed that of the
saw blade.
• Make sure all locking knobs and clamp handles are tight.
• Use personal protective equipment and connect the saw to an external
dust extractor.
• Although this saw will cut wood and many nonferrous materials, these
operating instructions refer to the cutting of wood only. The same
guide-lines apply to the other materials. Do not cut ferrous (iron and
steel) materials, fibre cement or masonry with this saw!
• Do not attempt to cut excessively small pieces.
• Secure the workpiece.
• Allow the blade to cut freely. Do not force.
• Allow the motor to reach full speed before cutting.
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicable regulations.

WARNING: To reduce the risk of injury, turn unit off and
disconnect machine from power source before installing and
removing accessories, before adjusting or changing set-ups
or when making repairs. Be sure the trigger switch is in the OFF
position. An accidental start-up can cause injury.
Ensure the machine is placed to satisfy your ergonomic conditions in terms
of table height and stability. The machine site shall be chosen so that the
operator has a good overview and enough free surrounding space around
the machine that allows handling of the workpiece without any restrictions.
To reduce effects of increased vibration, make sure the environment is not
too cold, the machine and accessory are well maintained and the workpiece
size is suitable for this machine.
Switching On and Off (Fig. A, B)
A hole 30 is provided in the trigger switch
lock the tool.
1. To run the tool, press the trigger switch
2. To stop the tool, release the switch.
Use of XPS LED Worklight System (Fig. B)
nOTE: The mitre saw must be connected to a power source.
The XPS LED Worklight System is equipped with an on/off switch
XPS LED Worklight System is independent of the mitre saw's trigger switch.
The light does not need to be on in order to operate the saw.
To cut through an existing pencil line on a piece of wood:
1. Turn on the XPS system, then pull down on the operating handle to
bring the saw blade 7 close to the wood. The shadow of the blade will
appear on the wood.
2. Align the pencil line with the edge of the blade's shadow. You may
have to adjust the mitre or bevel angles in order to match the pencil
line exactly.
23 in or
indicates 45°.
1 for insertion of a padlock to
1 .
31 . The
Body and Hand Position (Fig. N)
Proper positioning of your body and hands when operating the mitre saw
will make cutting easier, more accurate and safer.

WARNING:
• Never place your hands near the cutting area.
• Place your hands no closer than 100 mm from the blade.
• Hold the workpiece tightly to the table and the fence when cutting.
Keep your hands in position until the switch has been released and
the blade has completely stopped.
• Always make dry runs (without power) before finish
cuts so that you can check the path of the blade.
• Do not cross your hands.
• Keep both feet firmly on the floor and maintain proper balance.
• As you move the saw arm left and right, follow it and stand slightly
to the side of the saw blade.
Basic Saw Cuts
Vertical Straight Cross-cut (Fig. A, B, N)
nOTE: Use 250 mm saw blades with 30 mm arbor holes to obtain the
desired cutting capacities.
1. Raise the saw head 27 to its highest position by pushing down on the
saw head 27 and pulling out the lock-down button
downward pressure and allow the saw head to rise to its full height.
2. Squeeze the mitre latch 11 then move the arm to the 0° position.
3. Release the mitre latch.
4. Always ensure that the mitre latch is locked tightly before cutting.
5. Place the wood to be cut against the sliding fence
with the material clamp 19 .
6. Take hold of the operating handle and press the guard lock-up release
lever 2 to release the guard. Press the trigger switch
motor. It is recommended to start the cut near the fence.
7. Depress the head to allow the blade to cut through the timber and
enter the plastic kerf plate 9 .
8. After completing the cut, release the switch and wait for the saw blade
to come to a complete standstill before returning the head to its upper
rest position.

WARNING:
• For some types of plastic profiles, it is advisable to follow the
sequence in reverse order.
• The lower blade guard is designed to close quickly when the
lever 2 is released. If it does not, have the saw serviced by an
authorized D WALT repair agent.
e
Performing a Sliding Cut (Fig. A, B, O)
1. Turn the saw head rail lock knob
2. Push down the saw head 27 , pull out the lock-down button
let the saw head rise to it's highest position.
3. Place the wood to be cut against the sliding fence
with the material clamp 19 .
4. Lower the saw head then pull it to the end of its travel.
5. Press the guard lock-up release lever
trigger switch 1 to start the motor.
6. Totally depress the head to allow the blade to cut through the timber
and push the head back to complete the cut.
7. After completing the cut, release the switch and wait for the saw blade
to come to a complete standstill before returning the head to its upper
rest position.

WARNING: Remember to lock the saw head in the rear position when
the sliding cuts are finished.
EnGLIsh
25 . Release the
15 and secure it
1 to start the
17 to loosen.
25 and
15 and secure it
2 to release the guard. Press the
33