Manual Bosch GEX 12V-125 (page 15 of 211) (All languages)

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pare power tools. They may also be used for a preliminary

estimation of vibration and noise emissions.

The stated vibration level and noise emission value repres-

ent the main applications of the power tool. However, if the

power tool is used for other applications, with different ap-

plication tools or is poorly maintained, the vibration level

and noise emission value may differ. This may significantly

increase the vibration and noise emissions over the total

working period.

To estimate vibration and noise emissions accurately, the

times when the tool is switched off or when it is running but

not actually being used should also be taken into account.

This may significantly reduce vibration and noise emissions

over the total working period.

Implement additional safety measures to protect the oper-

ator from the effects of vibration, such as servicing the

power tool and application tools, keeping their hands warm,

and organising workflows correctly.

Assembly

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.

Battery Charging

uUse only the chargers listed in the technical data. Only

these chargers are matched to the lithium-ion battery 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.

uDo not continue to press the On/Off switch after the

power tool has automatically switched off. The battery

can be damaged.

Follow the instructions on correct disposal.

Removing the Battery (seefigureA)

To remove the battery(3), press the release buttons(4) and

pull the battery out of the power tool. Do not use force to

do this.

Battery charge indicator

The battery charge indicator(5) on the power tool consists

of three green LEDs. It indicates the battery's state of charge

for a few seconds after the power tool is switched on and off.

LED Capacity

Continuous lighting 3x green 60–100%

Continuous lighting 2x green 30–60%

Continuous lighting 1x green 10–30%

Slowly flashing light 1 x green 0–10%

The three LEDs in the battery charge indicator flash

quickly when the temperature of the battery is outside

the operating temperature range of -30 to +70 °C and/or

the overload protection has been triggered.

Changing the Sanding Sheet (seefigureB)

To remove the sanding sheet (9), lift it from the side and pull

it from the sanding pad (7).

Remove dirt and dust from the sanding pad (7), e.g. with a

paintbrush, before attaching a new sanding sheet.

The surface of the sanding pad (7) is fitted with a hook-and-

loop fastening, allowing sanding sheets with a hook-and-loop

backing to be secured quickly and easily.

Press the sanding sheet (9) firmly onto the underside of the

sanding pad (7).

To ensure optimum dust extraction, make sure that the

punched holes in the sanding sheet (9) are aligned with the

drilled holes in the sanding pad (7).

To increase the sanding pad's service life, in particular when

using net abrasives (e.g.Bosch M480), apply the PadSaver

(accessory) between the sanding pad and abrasive.

Selection of the Sanding Plate

The power tool can be fitted with sanding discs of various

hardnesses, depending on the application:

– Soft sanding disc: Suitable for sensitive sanding even on

curved surfaces

– Medium-hard sanding disc: Suitable for all sanding work,

universal application

– Hard sanding disc: Suitable for heavy sanding on flat sur-

faces

Changing the sanding pad (see figure C)

Note: Replace damaged sanding pads (7) immediately.

Pull off the sanding sheet. Unscrew the 4 screws(10) com-

pletely (using a T20 screwdriver) and remove the sanding

pad(7). Attach the new sanding pad(7) and retighten the

screws.

Note: When attaching the sanding pad, make sure that the

teeth of the catch mate with the recesses in the sanding pad.

Note: Damaged sanding disc holders(11) must only be re-

placed by an after-sales service centre authorised to work

with Bosch power tools.

Dust/Chip Extraction

The dust from materials such as lead paint, certain types of

wood and minerals can be harmful to human health. Touch-

ing or breathing in this dust can trigger allergic reactions

and/or cause respiratory illnesses in the user or in people in

the near vicinity.

Bosch Power Tools 1 609 92A 7MX | (17.05.2022)

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Bosch GEX 12V-125 Manual

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