Dremel DSM20 Original Instructions Manual page 9

push lock-on button A at rear of tool completely in and
release paddle switch.
To switch tool off: squeeze and release paddle switch.
In order to try to avoid recoil (a situation where
the wheel wants to skip out of the material) it is
recommended to make cuts in the same direction as
the rotation of the wheel.
DEPTH ADJUSTMENT
Disconnect plug from power source.
Loosen depth adjustment lever H.
The foot is spring loaded and will lower automatically.
Tighten lever counter-clockwise at the depth setting
desired.
Check desired depth.
LINE GUIDE
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The cutting guide notch will give an approximate line of
cut. Make sample cuts in scrap lumber to verify actual line
of cut.
HOLDING THE TOOL
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Maintain a firm grip and operate the switch with a decisive
action. Never force the tool. Use a light and continuous
pressure.
Make sure material being cut is secured in a vise or fixture
before attempting to cut.
Keep your body positioned to either side of the wheel, but
not in line with the wheel. It is important to support the tool
properly and to position your body such as to minimize
body exposure from possible wheel binding and recoil.
Grip the tool firmly while cutting and always be ready and
able to manage the cut.
Avoid jamming, twisting or pinching the wheel with the
workpiece of otherwise applying excessive side pressure
to the wheel.
After completing a cut and the switch has been
released, be aware of the necessary time it takes for
the wheel to come to a complete stop. Do not set the
tool down until the accessory has come to a complete
stop.
CUTTING TILE
Make sure material being cut is secured in a vise or fixture
before attempting to cut.
Turn the tool on and wait for the wheel to reach full speed.
For cuts that extend to the edge of a tile, cut all the way
through edge(s) along your cut line.
Score the tile first along your cut line, making multiple
passes to progressively cut through the tile.
This tool does not use wheels designed for face-grinding.
If your cut requires a smooth, finished edge, use an
appropriate tile finishing tool to refine the tile edge.
PLUNGE OR INTERIOR CUTS
1. Mark the surface to be cut with the desired cut lines.
2. Loosen the depth adjustment lever so that the spring
loaded foot releases and goes to the zero depth
setting. Leave the depth adjustment lever loose during
this cut.
3. Rest the foot of the tool on the workpiece and align the
tool's wheel with the cut line.
4. While holding the tool firmly, press the paddle switch
and allow the tool's wheel to come up to full speed.
5. Slowly plunge/lower the tool and wheel into the
workpiece.
6. Guide the tool forward and complete the cut.
7. Release the paddle switch and allow the tool to come
to a complete stop.
8. Remove the tool from the workpiece.
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FLUSH CUTTING
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First, consider the desired height of the flush cut. For
flooring installation, add up the thickness of your flooring
adhesive, the flooring itself, and any underlayments or
other material that will add to the thickness of the finished
floor.
1. Install the flush cutting wheel on the tool.
2. Adjust the depth of the wheel to the desired depth
setting.
3. Turn the tool on its side so that the flush cut foot rests
against the flooring.
4. Firmly grip the tool. Turn tool on and allow it to come
to full speed before entering workpiece.
5. Complete your cut and remove the tool from the
workpiece before turning the tool off.
CUTTING LARGE SHEETS
Support large panels and long boards close to the cut.
Be sure to set the depth of the cut so that you cut through
the sheet or board only and not the table or work bench.
The two-by-fours used to raise and support the work
should be positioned so that the broadest sides support the
work and rest on the table or bench.
STRAIGHT EDGE GUIDE / RIP CUTS
The straight edge guide (optional attachment) is used for
cuts parallel to the edge of the work, and can be used
from either side of the foot plate for cutting on the left or
right side of the material.
Rip cuts are easy to do with a straight edge guide.
To attach, insert straight edge guide, insert fence through
slots in foot to desired width as shown and secure with the
set screw.
RIP BOARD GUIDE
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When rip cutting large sheets, the straight edge guide may
not allow the desired width of cut. Clamp or nail a straight
piece of 25 mm lumber to the sheet as a guide.
Use the right side of the foot against the board guide.
2x4 CUTTING GUIDE
The 2x4 cutting guide (optional attachment) can be used to
quickly and accurately make cuts in 2x4 lumber.
Since the depth of cut is less than the thickness of a
2x4, one cut on each side of the wood will be required to
complete a cut through the workpiece.
1. Measure and mark the desired cut line on the piece
of wood.
2. Slide the 2x4 cutting guide over the wood in the
designated location of the cut.
NOTE: When using the standard wheel measure a
25 mm offset to properly align the guide to the offset
indicator in the cutting guide.
While using the flush cut wheel, line the fence of the
tool up with the cut line.
3. Clamp the cutting guide to the workpiece in the desired
location to make the cut.
4. Firmly hold the tool and use the edge of the guide as a
fence and make the first cut.
5. Flip the work piece over while leaving the cutting guide
clamped in place and make a second cut to complete
the cut through the 2x4.
MITRE/TRIM CUTTING GUIDE
The mitre/trim cutting guide (optional attachment) and
flush cutting wheel is a perfect combination to make mitre,
bevel, and straight cuts in baseboard, trim, and molding.
Angle indicators also aid in making accurate cuts for other
common angles like 15°, 22.5° or 30°.
1. Measure and mark the desired cut line on the piece
of wood.
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