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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
GRINDING
and wire wheels. The tool may be used with-
WHEEL
out a guard only when sanding with conven-
SURFACE
tional
sanding
discs.
DEWALT
models
D28493, D28494, D28474, D28499 are pro-
vided with a guard intended for use with
depressed
center wheels (Type 27), and
GUARD
hubbed grinding
wheels
(Type 27). The
LIP
same guard is designed for use with sand-
ing flap discs, wire brushes and wire wheels.
Grinding and cutting with wheels other than Type 27 and 29 require
different accessory guards not included with the tool. Mounting
instructions for these accessory guards are included in the acces-
sory 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
inside the the guard lip.
• & CAUTION: DEWALT model D28497 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.
10
2. Push the guard down until the guard
lugs engage and rotate freely in the
groove on the gear case hub.
3. With the guard latch open, rotate the
guard into the desired working posi-
tion that provides maximum protec-
tion to the user as shown.
4. Close the guard latch to secure the
guard on the gear case. You should
be unable to rotate the guard by hand
when the latch is closed.
Do not
operate
the grinder
with a loose
guard or the clamp lever in open
position.
5. To remove the guard, follow the pro-
cedure above in reverse order.
NOTE: The guard is pre-adjusted to the
diameter of the gear case hub at the fac-
tory. If, after a period of time, the guard
becomes
loose, tighten
the adjusting
screw (I) with clamp in the closed posi-
I
tion.
CAUTION:
Do not tighten the adjusting screw with the clamp
lever in open position. Undetectable damage to the guard or the
mounting hub may result.
MOUNTING AND REMOVING HUBBED WHEELS
Hubbed wheels install directly on the 5/8 ''i
11 threaded spindle.
1. Thread the wheel on the spindle by hand, seating the wheel
against the soft mount.
2. Depress the spindle lock button and use a wrench to tighten the
hub of the wheel.
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