DeWalt DCG406N - Edge Grinding and Cutting; WARNING: Do not use edge grinding;cutting wheels for surface grinding applications; 4. Once a cut is begun and a notch is established in the workpiece, do not change the angle of the cut; Cutting Metal

14
ENGLISH
Surface Grinding, Sanding and Wire
Brushing

CAUTION: Always use the correct guard per the
instructions in thismanual.
To perform work on a the surface of a workpiece:
1. Allow the tool to reach full speed before touching the tool
to the worksurface.
Spindle Lock (Fig.A)
The spindle lock
3
is provided to prevent the spindle from
rotating when installing or removing wheels. Operate the
spindle lock only when the tool is turned off, unplugged from
the power supply, and has come to a completestop.
NOTICE: To reduce the risk of damage to the tool, do
not engage the spindle lock while the tool is operating.
Damage to the tool will result and attached accessory
may spin off possibly resulting ininjury.
To engage the lock, depress the spindle lock button and rotate
the spindle until you are unable to rotate the spindlefurther.
Paddle Switch (Fig.A)

CAUTION: Hold the side handle and body of the tool
firmly to maintain control of the tool at start up and
during use and until the wheel or accessory stops rotating.
Make sure the wheel has come to a complete stop be fore
laying the tooldown.
NOTE: To reduce unexpected tool movement, do not switch
the tool on or off while under load conditions. Allow the grinder
to run up to full speed before touching the work surface. Lift the
tool from the surface before turning the tool off. Allow the tool
to stop rotating before putting itdown.
1. To turn the tool on, push the lock‑off lever
2
toward the
back of the tool, then depress the paddle switch
1
. The tool
will run while the switch isdepressed.
2. Turn the tool off by releasing the paddleswitch.
Proper hand position requires one hand on the side handle
11
,
with the other hand on the body of the tool, as shown in
FigureG.
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.
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.
accessory. Do not touch accessories before they have
cooled. The discs become very hot duringuse.
• Never work with the grinding cup without a suitable
protection guard inplace.
• Do not use the power tool with a cut‑offstand.
• Never use blotters together with bonded
abrasiveproducts.
• Be aware, the wheel continues to rotate after the tools
is switchedoff.

WARNING:
• Ensure all materials to be ground or cut are secured
inplace.
• Secure and support the workpiece. Use clamps or a
vice to hold and support the workpiece to a stable
platform. It is important to clamp and support the
workpiece securely to prevent movement of the
workpiece and loss of control. Movement of the
workpiece or loss of control may create a hazard and
cause personalinjury.
• Always wear regular working gloves while operating
thistool.
• The gear becomes very hot duringuse.
• Apply only a gentle pressure to the tool. Do not exert
side pressure on thedisc.
• Always install the guard and appropriate disc or
wheel. Do not use excessively worn disc orwheel.
• Avoid overloading. Should the tool become hot, let it
run a few minutes under no load condition to cool the
Prior to Operation
• Install the guard and appropriate disc or wheel. Do not use
excessively worn discs orwheels.
• Be sure the backing and locking flange are mounted
correctly. Follow the instructions given in the
AccessoryChart.
• Make sure the disc or wheel rotates in the direction of the
arrows on the accessory and thetool.
• Do not use a damaged accessory. Before each use, inspect
the accessory such as abrasive wheels for chips and cracks,
backing pad for cracks, tear or excess wear, wire brush for
loose or cracked wires. If power tool or accessory is dropped,
inspect for damage or install an undamaged accessory. After
inspecting and installing an accessory, position yourself and
bystanders away from the plane of the rotating accessory
and run the power tool at maximum no‑load speed for one
minute. Damaged accessories will normally break apart
during this testtime.
3. Depress spindle lock button
3
and use a wrench on the
hub of the wire wheel or brush to tighten thewheel.
4. To remove the wheel, reverse the aboveprocedure.
NOTICE: To reduce the risk of damage to the tool, properly
seat the wheel hub before turning the toolon.