Working Advice; Starting Operation; Soft Start; Switching Off - Bosch GCD 12 JL Professional Originalbetriebsanleitung

26 | English
Note: Before sawing, check whether the cutting line is still
indicated correctly (see "Adjusting the laser", page 27).
The laser beam can be misplaced due to vibrations from in-
tensive use, for example.
Clamping the workpiece (see figure G)
To ensure maximum safety while working, the workpiece
must always be firmly clamped.
Do not saw workpieces that are too small to clamp firmly.
The free end of long and heavy workpieces must have some-
thing placed underneath it or be supported.
– Place the workpiece against the angle guide (6).
– Slide the locking spindle (7) against the workpiece and
clamp the workpiece in place using the spindle handle
(9).
Releasing the workpiece
– Release the spindle handle (9).
– Open the quick release (8) and pull the locking spindle
(7) away from the workpiece.

Working advice

General sawing instructions
Protect the saw blade against impact and shock. Do not sub-
ject the saw blade to lateral pressure.
Do not saw warped/bent workpieces. The workpiece must
always have a straight edge to face against the fence.
The free end of long and heavy workpieces must have some-
thing placed underneath it or be supported.
Permissible workpiece dimensions
Maximum workpiece dimensions:
Workpiece shape
0°
Dia. 115
100 x 100
158 x 80
110 x 110
Minimum workpiece dimensions
(= all workpieces that can still be clamped in place with the
locking spindle (7)): Length 80 mm
Max. cutting depth (0°/0°): 115 mm
Dust/chip extraction (see figure H)
The dust from materials such as lead paint, minerals and
metal can be harmful to human health. Touching or breath-
1 609 92A 4SP | (26.02.2019)
ing in this dust can trigger allergic reactions and/or cause
respiratory illnesses in the user or in people in the near vicin-
ity.
Certain kinds of metal dust are hazardous, especially in com-
bination with alloys such as zinc, aluminium or chrome. Ma-
terials containing asbestos may only be machined by special-
ists.
– Provide good ventilation at the workplace.
– It is advisable to wear a P2 filter class breathing mask.
The regulations on the material being machined that apply in
the country of use must be observed.
The saw blade (31) can become blocked by dust, chips or
workpiece fragments in the recess of the saw table (25).
– Switch the power tool off and pull the mains plug out of
– Wait until the saw blade has come to a complete stop.
– Pull out the chip drawer (24) and empty it completely.
u

Starting operation

u
u
Position of the operator (see figure I)
u
Mitre angle
– Keep hands, fingers and arms away from the rotating saw
45°
Dia. 90
– Do not reach one arm across the other when in front of
Switching on (see figure J)
– To start, press the on/off switch (17) and keep it
85 x 85
Note: For safety reasons, the on/off switch (17) cannot be
locked; it must remain pressed throughout operation.
85 x 85
The tool arm can only be guided downwards by pushing the
locking lever (1).
– Therefore, in order to saw, the locking lever (1) must be
85 x 85

Soft start

The electronic soft start limits the torque when the power
tool is switched on and increases the service life of the mo-
tor.

Switching off

– To switch off, release the on/off switch (17).
Sawing
– Firmly clamp the workpiece as appropriate for its dimen-
the socket.
Avoid dust accumulation at the workplace. Dust can
easily ignite.
Pay attention to the mains voltage. The voltage of the
power source must match the voltage specified on the
rating plate of the power tool.
Products that are only sold in AUS and NZ: Use a resid-
ual current device (RCD) with a nominal residual current
of 30 mA or less.
Do not stand in line with the saw blade in front of the
power tool. Always stand to the side of the saw blade.
This protects your body against possible kickback.
blade.
the tool arm .
pressed.
pressed in addition to pulling the on/off switch.
sions.
Bosch Power Tools