Prior To Operation - DeWalt XR DCG409 Manual

available at extra cost from your local dealer or authorised
service centre.
1. Place the tool on a table, guard up.
2. Thread the wheel on the spindle by hand.
3. Depress spindle lock button
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.

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.
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. H)

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.
Proper hand position requires one hand on the side handle
with the other hand on the auxilliary handle, as shown in
Figure H.
Slider Switch (Fig. A)

CAUTION: Hold the main 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.
and use a wrench on the
3
nOTE: To reduce unexpected tool movement, do not switch
the tool on or off while under load conditions. Allow the sander
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.

WARNING: Before connecting the tool to a power supply,
be sure the slider switch is in the off position by pressing
the rear part of the switch and releasing. Ensure the
slider switch is in the off position as described above after
any interruption in power supply to the tool, such as a
dead battery.
To start the tool, slide the ON/OFF slider switch
the front of the tool. To stop the tool, release the ON/OFF
slider switch.
For continuous operation, slide the switch toward the front of
the tool and press the forward part of the switch inward. To stop
the tool while operating in continuous mode, press the rear part
of the slider switch and release.
Spindle Lock (Fig. I)
The spindle lock
3
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.
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.
2. Apply minimum pressure to the work surface, allowing
the tool to operate at high speed. Material removal rate is
greatest when the tool operates at high speed.
3. Maintain an appropriate angle between the tool and work
surface. Refer to the chart according to particular function.
5 ,
Function
Grinding
Sanding with Flap Disc
Sanding with Backing Pad
Wire Brushing
is provided to prevent the spindle from
Angle
20˚-30˚
5˚-10˚
5˚-15˚
5˚-10˚
English
toward
1
15