DeWalt DCG412 Mode D'emploi page 58

ENGLISH
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 tool from
power source before making any
adjustments or removing/installing
attachments or accessories. Before
reconnecting the tool, depress and
release the trigger switch to ensure that
the tool is off.
WARNING:
• Ensure all materials to be ground or
cut are secured in place.
• Apply only a gentle pressure to the
tool. Do not exert side pressure on the
disc.
• Avoid overloading. Should the tool
become hot, let it run a few minutes
under no-load condition.
Proper Hand Position (fi g. 1, 6)
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 (e), with the other hand on the body of the
tool, as shown in figure 6.
Switch
WARNING: Before using the tool,
check that the handle is tightened
securely.
LOCK-OFF BUTTON AND TRIGGER SWITCH (FIG. 7)
Your cut-off tool is equipped with a lock-off
button (b).
To lock the trigger switch (a), press the lock-off
button as shown in figure 7. When the lock-off
button is depressed to the lock icon, the unit is
locked.
Always lock the trigger switch when carrying or
storing the tool to eliminate unintentional starting.
To unlock the trigger switch, press the lock-off
button (b). When the lock-off button is depressed
56
to the unlock icon, the unit is unlocked. The lock-off
button is colored red to indicate when the switch is
in its unlocked position.
Pull the trigger switch (a) to turn the motor ON.
Releasing the trigger switch turns the motor OFF.
NOTE: This tool has no provision to lock the switch in
the ON position, and should never be locked ON by
any other means.
WARNING: 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.
WARNING: Allow the tool to reach full
speed before touching tool to the work
surface. Lift the tool from the work
surface before turning the tool off.
Spindle Lock (fi g. 1)
The spindle lock (c) 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
(c) and rotate the spindle until you are unable to
rotate the spindle further.
Using Depressed Center Grinding
Wheels
SURFACE GRINDING WITH GRINDING WHEELS
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.
Grinding rate is greatest when the tool operates
at high speed.
3. Maintain a 20° to 30° angle between the tool
and work surface.
4. Continuously move the tool in a forward and
back motion to avoid creating gouges in the
work surface.