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Bosch Professional GST 12 V-LI Original Instructions Manual page 9

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  • ENGLISH, page 1
Removing the Battery
To remove the rechargeable battery, press the battery re-
lease buttons and pull the battery out. Do not use force to
do this.
Battery charge indicator
The three green LEDs on the battery charge indicator indic-
ate the state of charge of the rechargeable battery. The bat-
tery charge indicator only lights up for five seconds after
start-up.
LED
3× continuous green light
2× continuous green light
1× continuous green light
1× flashing green light
Temperature-dependent overload protection
In normal conditions of use, the power tool cannot be over-
loaded. If the power tool is overloaded or not kept within the
permitted battery temperature range, the speed is reduced
or the power tool switches off. At reduced speed, the power
tool will run again at full speed once the permitted battery
temperature is reached or the load is reduced. If it automat-
ically shuts down, switch the power tool off, allow the bat-
tery to cool down, then switch the power tool back on.
Temperature monitoring/overload protection indicator
The red LED indicator helps you to protect the rechargeable
battery against overheating and the motor against overload.
If the LED indicator is lit up permanently in red, the temper-
ature of the rechargeable battery is too high and the power
tool switches off automatically.
– Switch the power tool off.
– Allow the battery to cool down before you carry on work-
ing.
If the LED indicator is flashing red, then the power tool is
blocked and will switch off automatically.
Pull the power tool out of the workpiece.
The power tool will continue to work as soon as the blockage
is rectified.
Recommendations for Optimal Handling of the
Battery
Protect the battery against moisture and water.
Only store the battery within a temperature range of −20 to
50 °C. Do not leave the battery in your car in the summer, for
example.
Occasionally clean the ventilation slots on the battery using a
soft brush that is clean and dry.
A significantly reduced operating time after charging indic-
ates that the battery has deteriorated and must be replaced.
Follow the instructions on correct disposal.
Bosch Power Tools
Assembly
Remove the battery from the power tool before carry-
u
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.
Inserting/changing the saw blade
When fitting or changing the saw blade, wear protect-
u
ive gloves. Blades are sharp and can become hot when
Capacity
used for prolonged periods of time.
60–100 %
Selecting the saw blade
30–60 %
You will find an overview of recommended saw blades at the
end of these operating instructions. Only use saw blades
5–30 %
with single lug shank (T shank). The saw blade should not be
0–5 %
longer than required for the intended cut.
Use a narrow saw blade when sawing tight curves.
Inserting the saw blade (see figure B)
Clean the shaft on the saw blade before inserting it.
u
A dirty shaft cannot be securely fixed in place.
Push the saw blade (13), with the teeth in the cutting direc-
tion, into the saw blade receptacle (11) until it clicks into
place. The SDS lever (20) automatically springs back and
the saw blade is locked in place. Do not push the lever (20)
back by hand as you could damage the power tool.
Make sure when inserting the saw blade that the back of the
saw blade is in the groove on the guide roller (10).
Check that the saw blade is seated securely. A loose
u
saw blade can fall out and lead to injuries.
Ejecting the saw blade (see figure C)
When ejecting the saw blade, hold the power tool in
u
such a manner that no persons or animals can be in-
jured by the ejected saw blade.
Turn the SDS lever (20) as far as it will go in the direction of
the safety guard (21). The saw blade is released and ejec-
ted.
Glide shoe (see figure D)
When machining sensitive surfaces, you can place the glide
shoe (17) on the base plate (9) in order to prevent the sur-
face from being scratched.
To position the glide shoe (17), hook it to the front of the
base plate (9), push it up at the back and allow it to click into
place.
Anti-splinter guard (see figure E)
The anti-splinter guard (18) (accessory) can prevent splin-
tering of the surface while sawing wood. The anti-splinter
guard can only be used with certain saw blade types and only
at a cutting angle of 0°.
Slide the anti-splinter guard (18) into the base plate (9)
from the front.
When using the glide shoe (17), the anti-splinter guard (18)
is inserted into the glide shoe rather than the base plate (9).
English | 9
1 609 92A 74K | (28.01.2022)

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