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English
11
Proper hand position requires one hand on the side
handle
5
, with the other hand on the body of the tool, as
shown in FigureH.
Fig. H
5
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 tooldown.
CAUTION: Before connecting the tool to a power
source depress and release the paddle switch
8
once
[DWE402: without depressing the lock-on button
10
]
to ensure that the switch is off. Depress and release
the paddle switch as described above after any
interruption in power supply to the tool, such as the
activation of a ground fault interrupter, throwing of
a circuit breaker, accidental unplugging, or power
failure. If the paddle switch is locked on, the tool will
start unexpectedly when it isreconnected.
CAUTION: 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 itdown.
1. To turn the tool on, push the lock-off lever
9
toward
the back of the tool, then depress the paddle switch
8
.
The tool will run while the switch isdepressed.
2. Turn the tool off by releasing the paddleswitch.
Lock-On Button
DWE402, DWE402g, DWE4222, DWE43114,
DWE43144
The lock-on button
10
offers increased comfort in
extended use applications. To lock the tool on, depress
the lock-on button while the tool is running. The tool will
continue to run after the switch is released. To unlock and
turn off the tool, depress and release theswitch.
nOTE: A grinder should never be locked ON by any
othermeans.
Spindle Lock (Fig.A)
The spindle lock
1
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 completestop.
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 ininjury.
To engage the lock, depress the spindle lock button
and rotate the spindle until you are unable to rotate the
spindlefurther.
Surface Grinding, Sanding and Wire
Brushing (Fig. I)
CAUTION: Always use the correct guard per the
instructions in thismanual.
WARNING: Metal dust build-up. Extensive use
of flap discs in metal applications can result in the
increased potential for electric shock. To reduce this
risk, use an RCD or GFCI before use and clean the
ventilation slots daily by blowing dry compressed air
into the ventilation slots inaccordance with the below
maintenanceinstructions.
To perform work on the surface of a workpiece:
1. Allow the tool to reach full speed before touching the
tool to the worksurface.
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 highspeed.
Angle
Fig. I
3. Maintain an appropriate angle between the tool
and work surface. Refer to the chart according to
particularfunction.
Function Angle
Grinding 20˚-30˚
Sanding with Flap Disc 5˚-10˚
Sanding with Backing Pad 5˚-15˚
Wire Brushing 5˚-10˚
4. Maintain contact between the edge of the wheel and
the worksurface.
- If grinding, sanding with flap discs or wire brushing
move the tool continuously in a forward and
back motion to avoid creating gouges in the
worksurface.
- If sanding with a backing pad, move the tool
constantly in a straight line to prevent burning and
swirling of worksurface.
nOTE: Allowing the tool to rest on the work surface without
moving will damage the workpiece.
5. Remove the tool from work surface before turning tool
off. Allow the tool to stop rotating before laying itdown.
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