Charging The Battery; Dust/Chip Extraction - Bosch UniversalCirc 12 Originalbetriebsanleitung

18 | English
Fitting
Only use saw blades the maximum permitted speed of
u
which is higher than the no-load speed of the power
tool.

Charging the Battery

Use only the chargers listed on the accessories page.
u
Only these chargers are matched to the lithium-ion bat-
tery of your power tool.
Note: The battery is supplied partially charged. To ensure
full battery capacity, fully charge the battery in the charger
before using your power tool for the first time.
The lithium-ion battery can be charged at any time without
reducing its service life. Interrupting the charging process
does not damage the battery.
The lithium-ion battery is protected against deep discharge
by the "Electronic Cell Protection (ECP)". When the battery
is discharged, the power tool is switched off by means of a
protective circuit: The application tool no longer rotates.
Do not continue to press the On/Off switch after the
u
power tool has automatically switched off. The battery
can be damaged.
Follow the instructions on correct disposal.
Removing the battery
The battery (2) is equipped with two locking levels to pre-
vent the battery from falling out if the battery release button
(1) is pressed unintentionally. As long as the battery is inser-
ted in the power tool, it is held in position by means of a
spring.
To remove the battery (2), press the release button (1) and
pull the battery to the rear and out of the power tool. Do not
use force to do this.
Battery Charge Indicator
The three green LEDs of the battery charge indicator (16) in-
dicate the state of charge of the battery (2). For safety reas-
ons, it is only possible to check the state of charge when the
power tool is at a standstill.
Press the on/off switch (4) halfway or completely to display
the state of charge.
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 on/off switch (4), then
the battery is defective and must be replaced.
Inserting/changing the circular saw blade
Remove the battery before carrying out any work on
u
the power tool.
Wear protective gloves when fitting the saw blade.
u
Danger of injury when touching the saw blade.
1 609 92A 4L6 | (28.08.2018)
Only use saw blades that match the specifications
u
given in this operating manual and that are tested and
marked in accordance with EN 847-1
Do not use abrasive wheels as the application tool un-
u
der any circumstances.
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 (6).
Do not press the spindle lock button (6) while the saw
u
spindle is moving. The power tool may become damaged
if this happens.
– Use the hex key (5) to undo the clamping bolt in rota-
tional direction ➊.
– Swing the retracting blade guard (20) back and hold on
to it firmly.
– Remove the clamping flange (25) and the saw blade (24)
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 (24) and all the clamping elements
to be fitted.
– Swing the retracting blade guard (20) back and hold on
to it firmly.
– Place the saw blade (24) on the mounting flange (23).
The cutting direction of the teeth (direction of the arrow
on the saw blade) must match the rotational direction of
the arrow on the protective guard (20).
– Attach the clamping flange (25) and screw in the clamp-
ing bolt (26) in rotational direction ➋. Ensure that the
mounting flange (23) and clamping flange (25) are in-
stalled in the correct position.
– Press and hold the spindle lock button (6).
– Use the hex key (5) to tighten the clamping bolt (26) in
rotational direction ➋. The tightening torque should be
6–9 Nm, which corresponds to hand-tight plus ¼ turn.

Dust/chip extraction

The dust from materials such as lead paint, certain types of
Capacity
wood, minerals and metal can be harmful to human health.
≥ 2/3
Touching or breathing in this dust can trigger allergic reac-
≥ 1/3
tions and/or cause respiratory illnesses in the user or in
people in the near vicinity.
< 1/3
Certain dusts, such as oak or beech dust, are classified as
Reserve
carcinogenic, especially in conjunction with wood treatment
additives (chromate, wood preservative). Materials contain-
ing asbestos may only be machined by specialists.
– To achieve a high level of dust extraction, use a suitable
dust extractor together with this power tool.
– 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.
Bosch Power Tools