Bosch Professional GKS 18V-57 G Notice Originale page 20

20 | English
Follow the instructions on correct disposal.
Removing the battery
The battery (19) is equipped with two locking levels to pre-
vent the battery from falling out if the battery release button
(26) is pressed unintentionally. As long as the battery is in-
serted in the power tool, it is held in position by means of a
spring.
To remove the battery (19), press the release button (26)
and pull the battery to the rear and out of the power tool. Do
not use force to do this.
Battery charge indicator (see figure F)
The three green LEDs of the battery charge indicator (33) in-
dicate the state of charge of the battery (19). For safety
reasons, it is only possible to check the state of charge when
the power tool is at a standstill.
Press the button (32) to show the state of charge. This is
also possible when the battery (19) is removed.
LED
Continuous lighting 3 x green
Continuous lighting 2 x green
Continuous lighting 1 x green
Flashing light 1 x green
If no LED lights up after pressing the button (32), then the
battery is defective and must be replaced.
Inserting/changing the circular saw blade
Remove the battery from the power tool before carry-
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ing out work on the power tool (e.g. maintenance,
changing tool, etc.). The battery should also be re-
moved for transport and storage. There is risk of injury
from unintentionally pressing the on/off switch.
Wear protective gloves when fitting the saw blade.
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Danger of injury when touching the saw blade.
Only use saw blades that match the specifications
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given in this operating manual and that are tested and
marked in accordance with EN 847-1
The permitted speed of the application tool must be at
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least equal to the maximum speed marked on the
power tool. If accessories run faster than their rated
speed, they may break and fly off.
Do not use abrasive wheels as the application tool un-
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der any circumstances.
Selecting the saw blade
You will find an overview of recommended saw blades at the
end of these operating instructions.
Removing the saw blade (see figure A)
To change tools, we recommend that you place the power
tool down on the front side of the motor housing.
– Press and hold the spindle lock button (5).
Do not press the spindle lock button (5) while the saw
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spindle is moving. The power tool may become damaged
if this happens.
1 609 92A 7SZ | (18.05.2022)
– Use the hex key (3) to undo the clamping bolt (25) in ro-
tational direction ➊.
– Swing the retracting blade guard (13) back and hold on
to it firmly.
– Remove the clamping flange (24) and the saw blade (23)
from the saw spindle (21).
Fitting the saw blade (see figure A)
To change tools, we recommend that you place the power
tool down on the front side of the motor housing.
– Clean the saw blade (23) and all the clamping elements
to be fitted.
– Swing the retracting blade guard (13) back and hold on
to it firmly.
– Place the saw blade (23) on the mounting flange (22).
The cutting direction of the teeth (direction of the arrow
on the saw blade) must match the rotational direction of
the arrow on the retracting blade guard (13).
– Attach the clamping flange (24) and screw in the clamp-
ing bolt (25) in rotational direction ➋. Ensure that the
Capacity
mounting flange (22) and clamping flange (24) are in-
≥ 2/3
stalled in the correct position.
≥ 1/3 – Press and hold the spindle lock button (5).
– Use the hex key (3) to tighten the clamping bolt (25) in
< 1/3
rotational direction ➋. The tightening torque should be
Reserve
6–9 Nm, which corresponds to hand-tight plus ¼ turn.
Dust/chip extraction
The dust from materials such as lead paint, some types of
wood, minerals and metal can be harmful to human health.
Touching or breathing in this dust can trigger allergic reac-
tions and/or cause respiratory illnesses in the user or in
people in the near vicinity.
Certain dusts, such as oak or beech dust, are classified as
carcinogenic, especially in conjunction with wood treatment
additives (chromate, wood preservative). Materials contain-
ing asbestos may only be machined by specialists.
– Use a dust extraction system that is suitable for the ma-
terial wherever possible.
– 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.
Avoid dust accumulation at the workplace. Dust can
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easily ignite.
Fitting the dust extraction adapter (see figure B)
Push the dust extraction adapter (28) onto the chip ejector
(16) until it clicks into place. Then secure the dust extraction
adapter (28) in place with the screw (27).
A dust extraction hose with a diameter of 35 mm can be con-
nected to the dust extraction adapter (28).
The dust extraction adapter must only be fitted if an
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external dust extraction system is connected. Other-
wise the extraction duct can become clogged.
Bosch Power Tools