Manual Bosch GSA 12V-14 Professional (page 15 of 209) (All languages)

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Inserting/changing the saw blade

uWhen fitting or changing the saw blade, wear protect-

ive gloves. Blades are sharp and can become hot when

used for prolonged periods of time.

uWhile replacing the saw blade, ensure that the saw

blade receptacle is free of material residue, e.g. wood

or metal chips.

Selecting the saw blade

You will find an overview of recommended saw blades at the

end of these operating instructions. Only use saw blades

with a 1/2" universal shank. The saw blade should not be

longer than required for the intended cut.

Inserting the saw blade (seefigureB)

Turn the locking sleeve(3) approx. 90° in the direction of

the arrow and hold it firmly. Push the saw blade(1) into the

saw blade receptacle(12). Release the locking sleeve again.

uCheck that it is seated securely by pulling the saw

blade. A loose saw blade can fall out and lead to injuries.

For particular jobs, the saw blade(1) can also be flipped

180° (teeth point upwards) and refitted.

Removing the Saw Blade (seefigureC)

uLet the saw blade cool down before removing it. There

is a risk of injury when touching the hot saw blade.

Turn the locking sleeve(3) approx. 90° in the direction of

the arrow and hold it firmly. Remove the saw blade(1).

Dust/Chip Extraction

Dust from materials such as lead-containing coatings, some

wood types, minerals and metal can be harmful to one’s

health. Touching or breathing-in the dust can cause allergic

reactions and/or lead to respiratory infections of the user or

bystanders.

Certain dust, such as oak or beech dust, is considered carci-

nogenic, especially in connection with wood-treatment ad-

ditives (chromate, wood preservative). Materials containing

asbestos may only be worked by specialists.

– Provide for good ventilation of the working place.

– It is recommended to wear a P2 filter-class respirator.

Observe the relevant regulations in your country for the ma-

terials to be worked.

uAvoid dust accumulation at the workplace. Dust can

easily ignite.

Operation

Starting Operation

Inserting the battery

Note: The use of batteries unsuitable for your power tool can

lead to malfunctions or damage to the power tool.

Press the lock-off button(6) to the right to protect the

power tool from being switched on unintentionally.

Insert the charged battery(4) into the battery receptacle un-

til you feel it engage and it is securely locked in place.

Switching On and Off (see figure D)

To switch on the power tool, press the lock-off switch to the

left(6) first. Then press the on/off switch (7) and keep it

pressed.

The worklight lights up when the on/off switch (7) is lightly

or fully pressed allowing the work area to be illuminated in

poor lighting conditions.

To switch off the power tool, release the on/off switch (7).

Then press the lock-off button(6) to the right again.

Controlling the stroke rate

You can variably adjust the stroke rate of the power tool

when it is on by pressing in the on/off switch (7) to varying

extents.

Applying light pressure to the on/off switch (7) results in a

low stroke rate. Applying increasing pressure to the switch

increases the stroke rate.

The required stroke rate is dependent on the material and

the work conditions and can be determined using practical

tests.

It is recommended that you reduce the stroke rate when

placing the saw blade on the workpiece and when sawing

plastic and aluminium.

During prolonged periods of use at a low stroke rate, the

power tool may heat up significantly. Remove the saw blade

and let the power tool run at the maximum stroke rate for

around three minutes to cool down.

Temperature monitoring/overload protection indicator

The red temperature monitoring/overload protection

indicator(9) helps you to protect the battery against over-

heating and the motor against overload.

If the temperature monitoring/overload protection

indicator(9) is lit up permanently in red, the temperature

of the battery is too high and the power tool switches off

automatically.

Switch the power tool off and allow the battery to cool down

before you carry on working.

If the temperature monitoring/overload protection

indicator(9) 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 at the set stroke rate as soon as the block-

age is rectified.

Working Advice

uRemove the battery from the power tool before carry-

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.

uSwitch the power tool off immediately if the saw blade

becomes blocked.

Tips

uWhen sawing lightweight materials, take into account

the statutory provisions and recommendations of the

material manufacturers.

Bosch Power Tools 1 609 92A 81C | (21.07.2022)

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Bosch GSA 12V-14 Professional Manual

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