DeWalt D28474 Manual De Instrucciones página 12

643855-00,D28474,B3 10/3/06
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 fac-
tory. 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.
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H
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 5-8 of this
manual for more information.
1. Install the metal backing flange (J) on spindle (E) against the
soft mount.
2. Place wheel against the backing flange, cen-
tering the wheel on the backing flange pilot.
3. While depressing the spindle lock button,
thread the clamp nut (K) on spindle, piloting
the raised hub on clamp nut in the center of
grinding wheel.
4. Tighten the clamp nut with a wrench.
5. Reverse the above procedure to remove the
wheel.
SURFACE GRINDING WITH GRINDING
WHEELS
1. Allow the tool to reach full speed before
touching tool to work surface.
2. Apply minimum pressure to work surface, to allow the tool to
I operate at high speed.
3. Maintain a 20˚ to 30˚ angle between the tool and work surface.
4. Continuously move the tool in a forward and
back motion to avoid creating gouges in the
work surface.
5. Remove the tool from work surface before
10
J
E
K
20˚- 30˚