Dremel 7700 Operating/Safety Instructions Manual page 20

Cordless Rotary Tool Accessories (Cont.)
Brushing Pressure
1. Remember, the tips of a wire brush do the work.
Operate the brush with the lightest pressure so only the
tips of the wire come in contact with the work.
2. If heavier pressures are used, the wires will be over-
stressed, resulting in a wiping action; and if this is con-
INCORRECT:
Excessive pressure can cause wire breakage.
Polishing Accessories
These include an impregnated polishing point and an
impregnated polishing wheel for bringing metal sur faces
to smooth finish; a felt polishing tip and felt polish ing
wheel, and cloth polishing wheel, all used for polishing
plastics, metals, jewelry and small parts. Also included in
this group is a polishing compound (No. 421) for use
with the felt and cloth polishers.
Polishing points make a very smooth surface, but a high
luster is obtained using felt or cloth wheels and polishing
compound. For best results polishing accessories
should be used at speeds not greater than 15,000
RPM.
No polishing compound is needed when using the 425
Polishing Wheel.
tinued, the life of the brush will be shortened due to wire
fatigue.
3. Apply the brush to the work in such a way that as much
of the brush face as possible is in full contact with the
work. Applying the side or edge of the brush to the work
will result in wire breakage and shortened brush life.
Wire tips doing the work.
Aluminum Oxide Abrasive Wheels
Use to remove paint, deburr metal, polish stainless steel
and other metals. Available in medium grit. 1/8" shank.
Sanding Accessories
Sanding discs in fine, medium and coarse grades are
made to fit mandrel No. 402. They can be used for nearly
any small sanding job you might have, from model mak-
ing to fine furniture finish ing. In addition, there is the
drum sander, a tiny drum which fits into the Rotary Tool
and makes it possible to shape wood, smooth fiberglass,
sand inside curves and other diffi cult places, and other
sanding jobs. You replace the sanding bands on the
20
CORRECT:
15°