643855-00,D28474,B3
10/3/06
without depressing the lock-on button
(B) to ensure that the switch is in the off
position. If the trigger switch is locked
on, the tool will start unexpectedly
when power is reconnected to the tool.
Hold the side handle and rear handle
firmly to maintain control of tool at start
up and during use.
TRIGGER OPERATION
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
To turn tool on, depress trigger. Depress and hold lock-on button
(B) while releasing trigger. Lock-on button will remain depressed
and tool will remain on.
To turn the tool off, depress and release trig-
ger. 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 lock-on button can be permanently removed without compro-
mising compliance with regulatory agencies shown on the tool's
nameplate. Removal of the lock pin must be done by a D
Service Center.
11:38 AM
Page 9
90˚
90˚
WALT
E
Mounting and Using Depressed Center
Grinding Wheels and Sanding Flap
Discs
MOUNTING AND REMOVING GUARD
Turn off and unplug tool before making any adjustments or
removing or installing accessories. Before reconnecting the
tool, depress and release the trigger switch to ensure that the
tool is off.
IMPORTANT INFORMATION ABOUT GUARDS
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.
D
WALT models D28493, D28494, D28474, and D28476 are pro-
E
vided with a guard intended for use with depressed center wheels
(Type 27), and hubbed grinding wheels (Type 27). The same guard
is designed for use with sanding flap discs, wire brushes and wire
wheels. Grinding and cutting with wheels other than Type 27 and
B
29 require different accessory guards not included with the tool.
Mounting instructions for these accessory guards are included in
the accessory package.
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
A
inside the the guard lip.
CAUTION : D
WALT model D284076
E
Angle Sander may only be used for grinding
by using appropriate accessory guard.
1. Open the guard latch (H), and align the
lugs with slots on the gear case cover.
Position the guard facing backward, as
shown.
9
GRINDING
WHEEL
SURFACE
GUARD
LIP