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10
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
E
WALT models D28493, D28494,
D28474, D28499 are provided 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 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
inside the the guard lip.
CAUTION: D
E
WALT 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 back-
ward, as shown.
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 position that provides maximum protection 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 oper-
ate the grinder with a loose guard or
the clamp lever in open position.
5. To remove the guard, follow the proce-
dure above in reverse order.
NOTE: The guard is pre-adjusted to the
diameter of the gear case hub at the factory.
If, after a period of time, the guard becomes
loose, tighten the adjusting screw (I) with
clamp in the closed position.
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" — 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.
3. Reverse the above procedure to remove the wheel.
CAUTION: Failure to properly seat the wheel against the soft
mount before turning the tool on may result in damage to the tool
or the wheel.
MOUNTING NON-HUBBED WHEELS
Depressed center, Type 27 grinding wheels must be used with
available accessory flanges. See the chart on pages 5–7 of this
manual for more information.
H
I
GRINDING
WHEEL
SURFACE
GUARD
LIP
399080-02 rev 11/15/02 10:13 AM Page 10