DeWalt D28474 Manual De Instrucciones página 18

MOUNTING SANDING BACKING PADS (FIG. 13)
CAUTION: Proper guard must be re-installed for grinding wheel,
sanding flap disc, wire brush, or wire wheel applications after sanding
applications are complete.
1. Place or appropriately thread rubber
backing pad (N) down to soft mount.
2. Place the sanding disc (O) on the rubber
backing pad (N).
3. While depressing spindle lock, thread
clamp nut (P) on spindle, piloting the raised
hub on the clamp nut into the center of
san ding disc and backing pad.
4. Tighten the clamp nut with the proper
wrench.
5. To remove the wheel, reverse the above
procedure.
USING SANDING BACKING PADS (FIG. 14)
Choose the proper grit sandpaper for your application. Sandpaper
is available in various grits. Coarse grits yield faster material re moval
rates and a rougher finish. Finer grits yield slower material removal
and a smoother finish.
Begin with coarser grit discs for fast, rough material removal. Move to
a medium grit paper and finish with a fine grit disc for optimal finish.
Coarse
Medium
Fine Finishing
Very Fine Finishing
1. Allow the tool to reach full speed before touching tool to work
surface.
2. Apply minimum pressure to work surface, allowing tool to operate
at high speed.
FIG. 13
P
O
Mounting and Using Wire Brushes
and Wire Wheels
Wire brushes and wire wheels must be rated above minimum
accessory speed as shown on tool. Use only wire brushes and
N
wheels provided with a 5/8"–11 threaded hub. A Type 27 guard is
required when using wire brushes and wheels.
wheels. Wire brushes and wheels can become sharp.
MOUNTING WIRE BRUSHES AND WIRE WHEELS
16–30 grit
36–80 grit
100–120 grit
NOTE: Failure to properly seat the wheel hub against the soft mount
150–180 grit
before turning the tool on may result in damage to the tool or wheel.
USING WIRE CUP BRUSHES AND WIRE WHEELS (FIG. 15)
Wire wheels and brushes can be used for removing rust, scale and
paint, and for smoothing irregular surfaces.
16
3. Maintain a 5˚ to 15˚ angle between the
tool and work surface. The san ding
disc should contact approximately one
inch of work surface.
4. Move the tool constantly in a straight line to prevent burning and
swirling of work surface. Allowing the tool to rest on the work
surface without moving, or moving the tool in a circular motion
causes burning and swirling marks on the work surface.
5. Remove the tool from the work surface before turning the tool off.
Allow the tool to stop rotating before setting it down.
WARNING: Wear work gloves when handling wire brushes or
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 on the hub of
the wire brush or wheel to tighten the wheel.
3. To remove the wheel, depress the spindle lock button and use a
wrench on the hub of the wire brush or wheel to loosen it.
FIG. 14
5˚–15˚