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Maintenance - Black & Decker RS250 Instruction Manual

Rotary saw
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611197-01
RS250 Rotary Tool
DEPTH GUIDE (FIGS. 5,6,7)
CAUTION: Remove bit from collet
before installing or removing depth guide
or handle.
Keep depth guide ((E) Fig. 5) in place at all
times during operation of the tool. For best
results, adjust the guide using lock knob
((F) Fig. 6) to allow the bit to protrude a
minimum of 1/8" past the material to be
cut. Whenever the handle has been
removed and is being reattached, it is
recommended that the depth guide and
handle be aligned together. Loosely attach
handle to depth guide and place both on a
flat surface. Hold down the base of the
depth guide to keep it even with the flat
surface and tighten the knob of the handle
as shown in Figure 7.
Operation
GENERAL CUTTING
A handy scale on the wrench (Fig.8) can
be used to help determine the cutting
depth. When plunge cutting, hold the tool
firmly with both hands, insert the bit into
the material at a 45º angle. Slowly bring
the tool to a 90º angle to start the cut.
When cutting from the edge of the
workpiece, hold the tool 90º to the work
surface. With depth guide in contact with
work surface, slowly bring bit into contact
with edge. The depth guide should be kept
in contact with the material being cut at all
times. Move the tool in a clockwise
direction using slow steady pressure to
continue the cut. When the cut is
completed allow the tool to come to a
complete stop before lifting it from the
material.
DUST BLOWER
To aid visibility when cutting, your rotary
saw is equipped with a dust blower (Fig.6)
which can be used to keep the work area
clear of dust as you saw. It can also be
turned to block the air flow if desired.
CUTTING A HOLE FOR AN
ELECTRICAL OUTLET (FIG. 9)
WARNING: Shut off all live electric
circuits to any areas where cut outs will be
made.
Install the followpoint bit shown here. It is
designed specifically for use with cutting
out outlet boxes.
1.
Push any wiring deeply into the outlet
10/22/02
2:27 PM
Page 6
box to avoid damage from the cutting
bit.
2.
Before hanging the sheet covering the
outlet, mark the approximate location
of the center of the outlet on the wall
board. Check the cutting bit depth
against the side of the board to be
sure it will cut entirely through the
material.
3.
Tack the sheet in place with a few
fasteners avoiding the stud holding
the outlet. This allows the wall board
to flex slightly around the protruding
fixture box.
4.
Turn the rotary saw on. Holding the
tool firmly with both hands, (Fig. 9)
plunge the bit straight into the center
of the outlet.
5.
Cut to the right until the edge of the
box is touched. Pull out just enough
for the bit to clear the edge of the box.
Plunge in again holding the bit gently
against the outside of the box.
6.
Follow the outside of the box
(counterclockwise) as shown keeping
slight pressure against the box. This
will minimize wandering and give you
a clean precise cut.
NOTE: This is opposite of the
recommended clockwise direction for
general cutting.
7.
Remove the waste and dust from the
outlet. Finish fastening the sheet of
wall board.

MAINTENANCE

The tool should be cleaned with a blast of
air often, to eject as much dust as
possible. This will increase the life of the
brushes and bearings inside the motor.
Always use appropriate safety equipment
when using compressed air to clean a tool.
The brushes in this tool are replaceable
and can be accessed through the panels
on either side of the tool housing. Black
and Decker recommends that brush
replacement be performed by a company
owned or authorized service center.
Although the tool's plastic case is solvent
resistant, you should never use solvents
or harsh chemicals to clean it. Wipe the
non-metallic parts of the tool with a dry
cloth.
IMPORTANT: To assure product SAFETY
and RELIABILITY, repairs, maintenance
and adjustment should be performed by
authorized service centers or other
qualified service personnel, always using
identical replacement parts.
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