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10. Once the cut has been finished, lift the tool from the work
surface before switching off. If a lot of dust has been
created, keep switched on for a few seconds extra to
allow the dust to clear from within the tool.
Line Following
1. Pointers at the front and rear of the guard allow a line to
be followed, when cutting. (Diagram I)
2. For more accurate and neater cutting a metal ruler, held
with the free hand, can be followed. To position the ruler
draw a second line 10 mm to the left of the cutting line.
(Or 33 mm to the right of the cutting line for left handed
operators.) (Diagram J)
Measuring the Cutting Width
When making cut outs it is desirable to know exactly where
the cut will start and stop to prevent unsightly over cutting.
Indication numbers, which correspond to the depth setting,
are marked on both sides of the guard to show where the
blade starts and stops. (Diagram K)
1. Mark the area to be cut out on the material to be cut. If
the area is not a square or rectangle, separate start and
finish lines may have to be drawn. These are drawn from
the start and finish point, at right angles to the line of cut.
2. To use the width indication system first set the cutting
depth, (See Setting the Cutting Depth Section) for
example, to 9 mm.
3. Identify this number (e.g. 9) both on the front and rear of
the guard.
4. Align the indication mark below the rearmost number on
the guard with the start line on the material to be cut.
5. Proceed with the cut until the indication mark below the
forward number aligns with the finish line on the material
being cut.
Cut-outs
NB. Plunge cutting may not be possible in some hard
materials.
1. Set the depth of cut, (See Setting the Cutting Depth
Section) plug in the mains supply and then place the
metal base plate onto the work surface. Ensure that the
rear width indication mark on the guard aligns with the
start line. (See Measuring the Cutting Width Section)
To ensure accurate cut-outs the guard can be held
with the free hand, but ensure it does not come into
contact with the blade.
2. Switch on the tool and wait for one second for the blade
to run up to speed. Next, plunge the blade into the
material slowly and gently, but firmly. Then push the tool
forwards along the line to be cut. (Never draw the tool
backwards)
3. Once the finish line has been reached, lift the tool from
the work surface before switching off. If a lot of dust has
been created, keep switched on for a few seconds extra
to allow the dust to clear from within the tool.
4. Cutting out tips:
If the cut is to be covered, for example by a vent cover,
the corners can be overlapped to ensure that the waste
material is completely detached.
If the cut out is to be seen, do not overlap the corners. In
this circumstance, as the cutting blade is circular, the
waste material will not be fully detached. The corners will
therefore, require finishing with a knife. If the material is
thin and the back surface unimportant, the waste material
can just be pushed out.
Where there is access to the back surface of the material
to be cut, the cut out can be marked out with an over
cutting allowance. The cut is then made from the back
surface to ensure perfect corners on the front surface. A
table of over cutting allowances is shown in the
specifications section.
Cutting particularly Tough or Abrasive Materials
NB. Learn to use the tool by cutting wood before
attempting to cut anything tougher. When cutting
tougher material, such as metals and some plastics,
more force is required to hold the work piece and
clamping may be required.
Never cut materials that produce toxic dust or fumes
such as PTFE or asbestos.
Sheet metal:
1.
Always set the depth adjustment to at least 1 mm greater
than the material thickness to avoid the blade riding up
over the surface. Scrap material is required underneath
the work surface.
Remove burrs and rust as these impede the feed across
the material.
Thick beeswax (furniture polish) applied to the base plate
of the tool makes metal cutting easier.
Only suitable for cutting brass, copper, lead, aluminum or
galvanised mild steel.
Every 2 minutes of metal cutting should be followed by
a rest of at least 3 minutes.
Ceramic tiles, slates etc:
2.
Only use a blade specifically designed for the purpose.
Always use with a suitable vacuum cleaner or dust
extractor connected as the dust can be hazardous to the
operator and prevent the guard operating correctly.
Applying masking or PVC tape to the base plate of the
tool, or alternatively to the work piece can make cutting
easier and avoid scratching the tile.
Plasterboard:
3.
The EXAKT Precision Saw is only recommended for
making occasional cut outs in plasterboard and always
with a suitable vacuum cleaner or dust extractor
connected. The dust can prevent the guard operating
correctly.
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EXAKT Precision Tools Ltd. 2010
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