DeWalt D28490 Manual De Instrucciones página 32

TRIGGER OPERATION (FIG. 4)
To turn the tool on, depress the trigger switch (A). The tool will remain
running while the trigger is depressed. Turn the tool off by releasing
the trigger.
TRIGGER OPERATION WITH LOCK-ON FEATURE (FIG. 4)
To turn tool on, depress trigger. Depress and hold lock­on button (B)
while releasing trigger. Lock­on button will remain depressed and tool
will remain on.
To turn the tool off, depress and release trigger. The lock pin button
will pop out, permitting the trigger to disengage and causing the tool
to turn off.
NOTE: Allow the tool to reach full speed before touching tool to work
surface. Lift the tool from the work surface before turning the tool off.
CAUTION: Make sure the wheel has come to a complete stop
before setting the tool down.
REMOVAL OF LOCK-ON FEATURE
The lock­on button can be permanently removed without
compromising compliance with regulatory agencies shown on the
tool's nameplate. Removal of the lock pin must be done by a D
service center.
Mounting and Using Depressed Center
Grinding Wheels and Sanding Flap Discs
MOUNTING AND REMOVING GUARD
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. An
accidental start-up can cause injury.
IMPORTANT INFORMATION ABOUT GUARDS (FIG. 5)
Guards must be used with all grinding wheels,
sanding flap discs, wire brushes and wire
wheels. The tool may be used without a guard
only when sanding with conventional sanding
discs.
CAUTION: When using a grinding wheel
with a type 27, 28 or 29 guard, be sure that
the bottom surface of the grinding wheel is
inside the the guard lip.
MOUNTING AND REMOVING HUBBED
WHEELS
Hubbed wheels install directly on the threaded spindle.
1. Thread the wheel on the spindle by hand, seating the wheel
against the mount.
2. Depress the spindle lock button and use a wrench to tighten the
hub of the wheel.
3. Reverse the above procedure to remove the wheel.
CAUTION: Failure to properly seat the wheel against the mount
WALT
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before turning the tool on may result in damage to the tool or the
wheel.
MOUNTING NON-HUBBED WHEELS (FIG. 6)
Depressed center, Type 27 grinding wheels must be used with
available accessory flanges. See the charts on pages 27–29 of this
manual for more information.
1. Install the metal backing flange (G) on spindle (F) against the
mount.
2. Place wheel against the backing flange, centering the wheel on
the backing flange pilot.
30
FIG. 5