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DeWalt DCS777 Original Instructions Manual page 43

Cordless compact mitre saw
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  • ENGLISH, page 34

WARNING: To reduce the risk of serious personal injury, turn
tool off and disconnect battery pack before making any
adjustments or removing/installing attachments or accessories.
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)
The lock off switch 
 28 
located on the the on/off trigger switch 
flipped in order for the saw to turn on.
1. To run the tool, flip the lock off switch 
switch 
 1 
.
2. To stop the tool, release the trigger switch. The lock off switch will
re-engage automatically.
Use of XPS LED Worklight System (Fig. A, B, N)
nOTE: The mitre saw must have the battery installed for the XPS LED
worklight to operate.
The XPS LED Worklight System is activated by engaging the trigger or
pressing the XPS button on top of the saw housing.
To cut through an existing pencil line on a piece of wood:
1. With the XPS light on, 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.
Your saw is equipped with a battery fault feature. The XPS worklight
begins to flash when the battery is near the end of its useful charge, or
when the battery is too hot. Charge the battery prior to continuing cutting
applications. Refer to Charging A Battery for battery charging instructions.
Body and Hand Position (Fig. O)
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, N)
nOTE: Use 216 mm saw blades with 30 mm arbor holes to obtain the
desired cutting capacities.
1. Slacken the mitre latch 
 12 
and subsequently lift it up.
2. Engage the mitre latch 
 12 
at the 0° position and fasten the mitre latch.
3. Place the wood to be cut against the fence 
4. Take hold of the operating handle and press the guard lock up release
lever 
 2 
to release the guard. Extend the head of the saw all the way out.
 1 
must be
 28 
and press the on/off trigger
 15 
.
5. Flip the lock off switch 
 28 
and press the on/off trigger switch 
the motor.
6. Depress the head to allow the blade to cut through the timber and
enter the plastic kerf plate 
 10 
.
7. When the head is fully depressed, slowly push it back across to
complete the cut.
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:
The lower blade guard is designed to close quickly when the
lever 
 2 
is released. If it does not close within 1 second, have the
saw serviced by an authorized D
Performing a Sliding Cut (Fig. A, B, O)
1. Turn the rail lock knob 
 17 
to loosen.
2. Push down the saw head 
 23 
, pull out the lock down pin 
the saw head rise to it's highest position.
3. Place the wood to be cut against the sliding fence 
with the material clamp 
 16 
.
4. Lower the saw head then pull it to the end of its travel.
5. Press the guard lock-up release lever 
the lock off switch 
 28 
and press the on/off trigger switch 
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.
Vertical Mitre Cross-Cut (Fig. A, P)
1. Squeeze the mitre latch 
 12 
. Move the arm left or right to the
required angle.
2. The mitre latch will automatically locate at 0°, 15°, 22.5°, 31.62°, 45° and
50° both left and right. If any intermediate angle is required hold the
head firmly and lock by fastening the mitre latch.
3. Always ensure that the mitre latch is locked tightly before cutting.
4. Proceed as for a vertical straight cross-cut.

WARNING: When mitring the end of a piece of wood
with a small off-cut, position the wood to ensure that the off-cut is to
the side of the blade with the greater angle to the fence, i.e.:
left mitre, off-cut to the right
right mitre, off-cut to the left
Bevel Cross-Cuts (Fig. L, Q)
Bevel angles can be set from 0° to 48° to the left. Bevels up to 45° can be cut
with the mitre arm set between zero and a maximum of 45° mitre position
right or left.
1. Loosen the bevel clamp handle 
and set the bevel as desired.
2. Set the override lever 
 29 
if required.
3. Hold the head firmly and do not allow it to fall.
4. Tighten the bevel clamp handle 
5. Proceed as for a vertical straight cross-cut.
Quality of Cut
The smoothness of any cut depends on a number of variables, i.e. the
material being cut. When smoothest cuts are desired for moulding andother
precision work, a sharp (60-tooth carbide) blade and a slower, even cutting
rate will produce the desired results.
EnGLIsh
 1 
to start
WALT repair agent.
e
 21 
and let
 15 
and secure it
 2 
to release the guard. Flip
 1 
to start
 18 
by pulling it outward then down
 18 
 firmly.
41

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