DeWalt DW831 Manual De Instrucciones página 49

2. Apply minimum pressure to work
surface, allowing the tool to operate
at high speed. Sanding rate is
greatest when the tool operates at
high speed.
3. Maintain a 5˚ to 10˚ 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 turning tool off. Allow
the tool to stop rotating before laying it down. MOUNTING SANDING BACKING PADS
WARNING: Proper guard must be reinstalled for grinding wheel,
sanding flap disc, wire brush or wire wheel applications after sanding
applications are complete.
WARNING: Accessories must be rated for at least the speed
recom mended on the tool warning label. Wheels and other accessories
running over rated accessory speed may burst and cause injury.
Accessory ratings must be above listed minimum wheel speed as
shown on tool nameplate
The backing pads are available at extra cost from your local dealer or
authorized service center. To install the pad, follow the instructions
that come with the accessory.
USING SANDING BACKING PADS
Choose the proper grit sandpaper for your application. Sandpaper
is available in various grits. Coarse grits yield faster material removal
rates and a rougher finish. Finer grits yield slower material removal
and a smoother finish.
Begin with coarse grit discs for fast, rough material removal. Move
to a medium grit paper and finish with a fine grit disc for optimal
finish.
FIG. 12
5˚ - 10°
1. Allow the tool to reach full speed before touching tool to the work
2. Apply minimum pressure to work surface, allowing the tool to
3. Maintain a 5˚ to 15˚ angle between the tool and work surface. The
4. Move the tool constantly in a straight line to prevent burning and
5. Remove the tool from work surface before turning tool off. Allow
Mounting and Using Wire Brushes
and Wire Wheels
Wire cup brushes or wire wheels screw directly on the grinder
spindle without the use of flanges. Use only wire brushes or wheels
provided with a 5/8"–11 (B3) & M14 (AR, B2, BR) threaded hub. A
Type 27 guard is required when using wire brushes and wheels.
gloves when handling wire brushes and wheels. They can
become sharp.
brush must not touch guard when mounted or while in use.
Undetectable damage could occur to the accessory, causing wires to
fragment from accessory wheel or cup.
47
Coarse
Medium
Fine Finishing
Very Fine Finishing
surface.
operate at high speed. Sanding rate is greatest when the tool
operates at high speed.
san ding disc should contact approximately 1" (25.4 mm) of work
surface.
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.
the tool to stop rotating before laying it down.
CAUTION: To reduce the risk of personal injury, wear work
CAUTION: To reduce the risk of damage to the tool, wheel or
16 – 30 grit
36 – 80 grit
100 – 120 grit
150 – 180 grit