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Forward swinging
Forward swinging is derived from the horizontal movement of the guide
bell (3) synchronously with the movement of the pull rod (10) up and
down. In up and down movement the saw blade recedes from the ma-
terial. This simplifies removal of chips and reduces heat build-up by fric-
tion. Service life of saw blade prolongs.
The lever (4) allows adjustment of forward swinging in four degrees.
This can be used to adjust the gearing to various material types when
the teeth move up. Switching can be carried out when the saw runs,
as follows:
0 = Zero forward swinging
I = Small forward swinging
II = Medium forward swinging
III = High forward swinging
Adjustment instructions
When thin materials, such as metal plates, are worked, adjust zero
forward swinging.
Adjustment of small or zero forward swinging ensures better cut
margins of soft materials.
In case of hard metals, such as steel, small forward swinging must
be worked with.
In case of soft metals, such as timber and plastic materials, you can
work with higher forward swinging.
Correct forward swinging adjustment can be best verified by a test cut.
Use the below chart to adjust the number of strokes and forward swing-
ing:
Adjustment values
Material
Max. thickness
Timber
75 mm
Steel
10 mm
Aluminium
20 mm
Plastic material
20 mm
Rubber
30 mm
Ceramics
10 mm
Chip pull-out protection
To achieve clean cut on the upper side of the workpiece, we recommend
use of a chip pull-out pad (12). Insert the pad into the slider (1) until it
snaps.
The pad (12) can be used only in vertical cuts. For chamfer cuts and
curved cut, the pad must be removed.
Work instructions
Make sure the workpiece is always fixed properly.
Use sharpened circular-saw blades that are suitable for the respective
material.
Adapt the number of strokes and the forward swinging to the material.
When cutting metal, apply a suitable lubricating agent on the cut to
prevent from heating.
When you switch the saw off, do not brake the blade (2) by turning it
to the side.
If possible, use a pad against pull-out (12).
Mind the uniformity of feed.
The place of the cut is blown automatically which ensures well visibility
of sketched line at the point of the cut.
Cutting angle adjustment
Release the bolt (14) approximately by one revolution half.
Angle 15°, 30° or 45°
Shift the slider (1) back a bit and turn it to the desired position. The 0°,
15°, 30° and 45° angles can be deducted on the scale (13).
Move the slider (1) forward to the stop in the direction towards the saw
blade. Re-tighten the screw (14).
16
Number of
Forward
strokes
swinging
6
I–III
2–6
0–I
3–6
I–II
3–6
I–II
1–3
0
2–3
0
Interposition setting
Shift the slider (1) back a bit and turn it approximately to the desired
position.
Tighten the screw (14) to still allow adjustment of the slider (1).
Adjust the cutting angle using an angle gauge (the saw blade must be
clamped for this purpose).
Re-tighten the screw (14).
Parallel stop and jig for cutting out
circles
Using a combined guide for cutting out circles and parallel cut (16) you
can cut out circles or carry out parallel cuts in material of thickness up
to 30 mm.
Parallel cuts
The guide provided with a scale is pushed into the hole in the slider and
secured with two hand screws (15). The maximum adjustable width per
cut is approx. 160 mm.
Round cuts
The guide provided with a scale is pushed other way round into the
holes in the slider and secured with two hand screws (15).
The centre pin (17) must be pushed into the rear guide hole (16).
For circles of small diameters you need to use special narrow saw blades
preventing from cutting down.
Exchangeable pad for slider
After releasing of six screws (19) the exchangeable pad, located in the
slider (1), can be exchanged.
The pad, made of plastic material (18), slides well on wooden and plastic
materials and, in general, eliminates scratching of more sensitive sur-
faces.
Steel pad is designed for use with other material types.
Dust exhaust
Fit the suction adaptor into the slider, until it snaps.
This adaptor serves for connection of commonly available vacuum
cleaners to the saw.
Fit the cover (20) to increase the suction output.
Maintenance
The saw, in fact, does not require any maintenance. The vent holes
of the engine cover (5) must not get plugged.
The cable can only be replaced in an authorised electric workshop
which holds a relevant licence to perform these types of activities.
Grease the pull rod (10), the forward swinging lever and guide
bell (3) occasionally with several oil drops.
After about 100 hours of operation check the brush and replace, if
shorther than 5 mm.
After about 50 hours of operation exchange the lubricant grease.
Considering the safety and protection from electric shock and to main-
tain the protection class, the saw has to be checked in terms of safety,
and therefore these works have to be carried out in a specialized electro-
technical workshop which is authorized for this type of works.
Storage
Wrapped machine can be stored in a dry storage without heating, where
the temperature does not drop below -5 °C.
Keep unwrapped machine in a dry storage only, where the temperature
does not drop below +5 °C, and where accidental temperature changes
are prevented.
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