DeWalt DCS438 - OPERATION; Instructions for Use; Proper Hand Position; To Operate

14
ENGLISH
Attaching an AirLock
™
Compatible Dust
Extractor (Fig.F)

WARNING: Do not use dust extraction when cutting
metal. Swarf from metal cutting may be hot and may
spark which can melt vacuum hoses and may cause a fire
inside the vacuum.

WARNING: When using dust extraction, empty vacuum
before work begins and often during work. Use care in
disposing of dust. Dust can be hazardous to health if
inhaled, ingested or in contact with the skin. Materials in
fine dust can be explosive.
OPERATION
Instructions for Use

WARNING: Always observe the safety instructions and
applicableregulations.

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.
Proper Hand Position (Fig. G)

WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position asshown.

WARNING: To reduce the risk of serious personal
injury, ALWAYS hold securely in anticipation of a
suddenreaction.

WARNING: Keep your free hand far from cuttingaction.
Do not reach underneath the workpiece.
Proper hand position requires one hand on the main handle
3
.
Spindle Lock Button (Fig.H)
The spindle lock button
6
is used to lock the spindle
15
when
changing accessories.
1. To engage the spindle lock button, remove the battery pack
and make sure trigger switch is in OFFposition.
2. Depress the spindle lock button and turn the wheel and
spindle until the lock button engages the spindle.
3. Use supplied wrench
13
to unscrew the spindle nut
18
and remove or mount accessories. Spindle threads are
lefthand.
Forward/Reverse/Lock Off Button (Fig.A)
Your cut‑off tool is equipped with a forward/reverse/lock off
button
5
. Some applications or accessories may require the
tool to be run in forward or reverse. When making a cut, select
the direction of cut that allows the tool to be pushed away from
your body, When installing a diamond wheel, select the rotation
that matches the arrow on the wheel
• For forward (clockwise) rotation, push the forward/reverse/
lock off button all the way to the right, as shown by the
direction indicator
7
.
• For reverse (counterclockwise) rotation, push the forward/
reverse/lock off button all the way to the left, as shown by
the directionindicator.
• To lock the trigger switch, push the forward/reverse/
lock off button to the centre position, as shown by the
directionindicator.
To Operate (Fig.A)

CAUTION: Before attempting to start, grasp toolfirmly.

WARNING: Edge cutting can be performed only with
wheels that are designed and specified for this purpose.
Protect yourself during edge cutting by directing the open
side of the guard toward asurface.

WARNING: Wheels used for cutting may break or kick
back if they bend or twist while the tool is being used to do
cut‑offwork.

WARNING: Do not use edge cutting wheels for surface
grinding applications because these wheels are not
designed for side pressures encountered with surface
grinding. Wheel breakage and injury mayresult.

WARNING: Do not bang or bump a cut‑off wheel when
starting or during acut.
1. Grasp main handle
3
firmly.
2. Line up wheel with material to be cut. Be sure nothing is
near or in line with thewheel.
3. Depress and hold trigger switch
4
then slowly feed
wheel into work with firm pressure. Do not force the tool.
For maximum efficiency and wheel life, keep the wheel
speedhigh.
4. To stop tool, release trigger switch
4
.
If Using the Dust Shroud for Dust Collecting
(Fig.H)
1. Remove batterypack.
2. Adjust the depth of cut when using the dustshroud.
3. Insert the batterypack.
4. While cutting, keep the shoe flat against the workpiece and
maintain a firm grip, don’t force the cut off tool through the
workpiece. Forcing a cut off tool can causekickback.
NOTE: If making a partial cut, restarting a cut, or correcting
cut direction. Allow the wheels to come to a complete stop.
To resume cutting ,center the wheel in the kerf (cutting
slot)
29
, back and saw away from cutting edge, pull the
trigger and re‑enter the cutslowly.
5. To stop tool, release triggerswitch.
Tool Connect™ Chip (Fig.I)

WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
start‑up can causeinjury.
Your tool is Tool Connect™ Chip ready and has a location for
installation of a Tool Connect™ Chip.