DeWalt D28474 Manual De Instrucciones página 20

USING A FLARING CUP WHEEL (FIG. 18)
Flaring cup wheels are designed for heavy material removal.
1. Allow the tool to reach full speed before touching tool to work
surface.
2. Apply minimum pressure to work surface,
allowing the tool to oper ate at high speed.
3. Maintain a 5˚ to 10˚ angle between the tool
and the 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 turning tool off. Allow
the tool to stop rotating before setting it down.
Mounting and Using Cutting
(Type 1) Wheels
Cutting wheels include diamond wheels and
abrasive discs. Abrasive cutting wheels for
metal and concrete use are available. Diamond
blades for concrete cutting can also be used.
WARNING: A closed, cutting wheel guard
is not included with this tool. Cutting wheels
require proper flanges and guards. A 7" cutting
guard, D284931, is available as an accessory
and includes proper, matching flanges. Failure
to use proper flange and guard can result in
injury resulting from wheel breakage and wheel
contact.
MOUNTING CLOSED (TYPE 1) GUARD (FIG. 19, 20)
1. Open the guard latch (J), and align the lugs with slots on the gear
case cover. Position the guard facing backward, as shown.
2. Push the guard down until the guard lug engages and rotates
freely in the groove on the gear case hub.
3. Rotate guard (T) into desired working position. The guard body
should be positioned between the spindle and the operator to
FIG. 18
provide maximum operator protection.
4. Close the guard latch to secure the guard on the gear case cover.
You should be unable to rotate the guard by hand when the latch
–
5˚ 10˚
is in closed position. Do not operate grinder with a loose guard or
guard latch in open position.
NOTE: The guard is pre-adjusted to the
dia met er of the gear case hub at the factory. If,
after a period of time, the guard be comes
loose, tighten the adjusting screw (K) with the
guard latch in the closed position.
FIG. 19
NOTICE: Do not tighten adjusting screw with
J
guard latch in open position. Undetectable
damage to guard or mounting hub may result.
MOUNTING CUTTING WHEELS (FIG. 21)
1. Remove soft mount (F).
2. Install wheel backing flange, aligning flats on spindle (R) with flats
on backing flange (U).
3. Place the wheel on the backing flange, centering the wheel on the
backing flange pilot.
4. Install the clamp nut, ensuring that the wheel remains centered on
the backing flange.
T
5. Depress the spindle lock button and tighten clamp nut with
wrench.
6. Reverse the above procedure to remove the wheel.
18
FIG. 20
K