12
ENGLISH
ASSEMBLY AND ADJUSTMENTS
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.
Unpacking (Fig. A1, F)
1. Open the box and lift the saw out by the con venient carrying handle
4
,
as shown in figureF.
2. Place the saw on a smooth, flat surface.
3. Release the rail lock knob
7
, and push the saw head back to lock it in
the rear position.
4. Press down lightly on the operating handle
3
and pull out the lock
down pin
12
.
5. Gently release the downward pressure and hold the operating handle,
allowing it to rise to its full height.
Bench Mounting (Fig. A1)
Holes
18
are provided in all four feet to facilitate bench mounting. Two
different-sized holes are provided to accommodate different sizes of screws.
Use either hole; it is not necessary to use both.
Always mount your saw firmly to a stable surface to prevent movement.
To enhance the tool’s portability, it can be mounted to a piece of 12.7 mm
or thicker plywood which can then be clamped to your work support or
moved to other job sites and reclamped.
NOTE: If you elect to mount your saw to a piece of plywood, make sure that
the mounting screws don’t protrude from the bottom of the wood. The
plywood must sit flush on the work support. When clamping the saw to
any work surface, clamp only on the clamping bosses where the mounting
screw holes are located. Clamping at any other point will interfere with the
proper operation of the saw.
CAUTION: To prevent binding and inaccuracy, be sure the mounting
surface is not warped or otherwise uneven. If the saw rocks on the
surface, place a thin piece of material under one saw foot until the saw
sits firmly on the mounting surface.
Changing or Installing a New Saw Blade
Removing the Blade (Fig. G1–G4)
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.
• Never depress the spindle lock button while the blade is under
power or coasting.
• Do not cut light alloy and ferrous metal (containing iron or steel)
or masonry or fibre cement product with this mitre saw.
• Depress the head up-lock release lever
2
to release the lower
guard
1
, then raise the lower guard as far as possible.
1. Unplug the saw.
2. Raise the arm to the upper position and raise the lower guard
1
as far
as possible.
3. Depress the spindle lock button
40
while carefully rotating the saw
blade by hand until the lock engages.
4. Keeping the button depressed, use the other hand and the wrench
provided
29
to loosen the blade screw. (Turn clockwise, left-hand
threads.)
5. Remove the blade screw
39
, outer clamp washer
41
and blade
42
.
The inner clamp washer
43
may be left on the spindle.
Installing a Blade (Fig. G1–G4)
1. Unplug the saw.
2. With the arm raised and the lower guard held open, place the blade on
the spindle, and seat it on the inner blade clamp with the teeth at the
bottom of the blade pointing toward the back of the saw.
3. Assemble the outer clamp washer onto the spindle.
4. Install the blade screw and, engaging the spindle lock, tighten the
screw firmly with wrench provided (turn counterclockwise, left-
handthreads).
WARNING! Be aware the saw blade shall be replaced in the described
way only. Only use saw blades as specified under Technical Data;
Cat. no.: DT4260 is suggested.
Transporting the Saw (Fig. A1, A2)
WARNING: To reduce the risk of serious personal injury,
ALWAYS lock the rail lock knob, mitre lock handle, bevel lock handle,
lock down pin and fence adjustment knobs before transporting saw.
Never use guards for transporting or lift up.
In order to conveniently carry the mitre saw, a carrying handle
4
has been
included on the top of the saw arm.
• To transport the saw, lower the head and depress the lock down
pin
12
.
• Lock the rail lock knob with the saw head in the front position, lock the
mitre arm in the full left mitre angle, slide the fence
14
completely
inward and lock the bevel lock knob
31
with the saw head in the
vertical position to make the tool as compact as possible.
• Always use the carrying handle
4
or the hand indentations
16
.
Features and Controls
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.
Mitre Control (Fig. H)
The mitre lock handle
21
and mitre latch button
22
allow you to mitre
your saw to 60° right and 50° left. To mitre the saw, lift the mitre lock
handle, push the mitre latch button and set the mitre angle desired on the
mitre scale
19
. Push down on the mitre lock handle to lock the mitre angle.
Bevel Lock Knob (Fig. A2)
The bevel lock allows you to bevel the saw 49° left or right. To adjust the
bevel setting, turn the knob
31
counterclockwise. The saw head bevels
easily to the left or to the right once the 0° bevel override knob is pulled. To
tighten, turn the bevel lock knob clockwise.
0° Bevel Override (Fig. A2)
The bevel stop override
32
allows you to bevel the saw to the right past
the 0° mark.
When engaged, the saw will automatically stop at 0° when brought up
from the left. To temporarily move past 0° to the right, pull the bevel lock
knob
31
. Once the knob is released, the override will be reengaged. The
bevel lock knob can be locked out by twisting the knob 180°.
When at 0°, the override locks in place. To operate the override, bevel the
saw slightly to the left.
45° Bevel Stop Override (Fig. I)
There are two bevel stop override levers, one on each side of the saw.
To bevel the saw, left or right, past 45°, push the 45° bevel override lever
50
rearward. When in the rearward position, the saw can bevel past
these stops. When the 45° stops are needed, pull the 45° bevel override
leverforward.
Crown Bevel Pawls (Fig. I, J)
NOTE: Crown bevel cuts can be made with both the DWS779 and the
DWS780, though only the DWS780 has hard stops for a fast and accurate
setting at 22.5° and 33.86°.
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