DeWalt DC411 Guide D'utilisation page 19

Always lock the trigger switch when carrying or storing the tool to
eliminate unintentional starting.
FIG. 3
B
LOCKED
To unlock the trigger switch, press the lock-off button. When the
lock-off button is depressed 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.
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.
CAUTION: 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
The spindle lock pin is provided to prevent the spindle from rotating
when installing or removing wheels. Operate the spindle lock pin
UNLOCKED
only when the tool is turned off, the battery is removed, and the
wheel has come to a complete stop.
CAUTION: 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.
Mounting and Using Depressed Center
Grinding Wheels and Sanding Flap Discs
MOUNTING AND REMOVING HUBBED WHEELS
A
WARNING: To reduce the risk of serious personal injury, turn
tool off and and remove battery pack before making any adjust-
ments or removing/installing attachments or accessories.
Hubbed wheels install directly on the 5/8"-11 threaded spindle.
1. Thread the wheel on the spindle by hand.
2. Depress the spindle lock button and use a wrench to tighten the
3. Reverse the above procedure to remove the wheel.
CAUTION: Failure to properly seat the wheel before turning the
tool on may result in damage to the tool or the wheel.
MOUNTING NON-HUBBED WHEELS
WARNING: To reduce the risk of serious personal injury, turn
tool off and and remove battery pack before making any adjust-
ments or removing/installing attachments or accessories.
17
hub of the wheel.