DeWalt DWE4227 Original Instructions Manual page 49

• Support panels or any oversized
workpiece to minimize the risk
of wheel pinching and kickback.
Large workpieces tend to sag under
their own weight. Supports must be
placed under the workpiece near the
line of cut and near the edge of the
workpiece on both sides of the wheel.
• 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.
• Be sure the inner and outer flange are
mounted correctly.
• Make sure the disc or wheel rotates
in the direction of the arrows on the
accessory and the tool.
• Avoid overloading. Should the tool
become hot, let it run a few minutes
under no load condition to cool the
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.
Proper Hand Position (fig. 7)
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 (C), with the other hand on the body of the
tool, as shown in Figure 7.
Switches
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.
SLIDER SWITCH (FIG. 3)
DWE4227, DWE4237
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 the activation of a ground fault
interrupter, throwing of a circuit breaker,
accidental unplugging, or power failure.
If the slider switch is locked on when
the power is connected, the tool will
start unexpectedly.
To start the tool, slide the ON/OFF slider switch (G)
toward 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.
PADDLE SWITCH (FIG. 1)
DWE4233
1. To turn the tool on, push the lock-off lever (I)
toward the back of the tool, then depress the
paddle switch (H). The tool will run while the
switch is depressed.
2. Turn the tool off by releasing the paddle switch.
Spindle Lock (fig. 2)
The spindle lock (A) 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
english
47