Bosch Professional GSS 140 Manuale di istruzioni originale - Pagina 9

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Orbital sander

Protection class

The specifications apply to a rated voltage [U] of 230 V. These specifications may vary at different voltages and in country-specific models.

Values can vary depending upon the product and are subject to application and environmental conditions. For further information

www.bosch-professional.com/wac.

Assembly

Pull the plug out of the socket before carrying out any

work on the power tool.

Changing the sanding sheet

Remove dirt and dust from the sanding plate (3), e.g. with a

brush, before attaching a new sanding sheet.

To ensure optimum dust extraction, make sure that the

punched holes in the sanding sheet are aligned with the

drilled holes in the sanding plate.

Sanding sheets without hook-and-loop backing (see

figures A–C)

❶ Unlock both sanding-sheet clamps (4) and swivel them

downwards.

❷ Insert the sanding sheet (5) under the rear clamping

bracket (2). Ensure that the sanding sheet (5) is not too

short and that it is correctly clamped. Swivel the sand-

ing-sheet clamp (4) back into the starting position and

lock it in place.

❸ Position the sanding paper so that it fits tightly around

the sanding plate (3). Clamp the front part of the sand-

ing sheet under the front clamping bracket (6). Ensure

that the sanding sheet (5) is not too short and that it is

correctly clamped. Swivel the sanding-sheet clamp (4)

back into the starting position and lock it in place.

To remove the sanding sheet (5), unlock both sanding-sheet

clamps (4) and pull the sanding sheet out of its bracket.

Unperforated sanding sheets, e.g. from rolls or bulk stock

sold by the metre, can be perforated using the punch (11)

for the purpose of dust extraction. To do this, fit the sanding

sheet on the power tool and push the tool down onto the

punch (see figure D).

Selecting a sanding sheet

Different sanding sheets are available, depending on the ma-

terial you are working with and the required surface removal

rate:

For processing all wood and wood-based ma-

terials

For pre-sanding, e.g. of rough and un-

even beams and boards

For surface sanding and levelling of

slight irregularities

For finish-sanding and fine sanding of

hardwoods

Bosch Power Tools

For processing paint and lacquer layers or

primers such as fillers and bodyfillers

For sanding down paint

For sanding undercoats

For final sanding of primers prior to

painting

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

easily ignite.

Self-generated dust extraction with dust bag (GSS 140

A) (see figures E–G)

Place and move the complete dust bag (8) onto the extrac-

tion outlet (9) until it lines up precisely with the power tool.

To empty the dust bag, pull the complete dust bag (8) away

from the extraction outlet (9).

Note: Empty the dust bag (8) in good time to ensure op-

timum dust extraction.

When working vertical surfaces, hold the power tool in such

Grit

a manner that the dust bag (8) faces downward.

40–240

External Dust Extraction (GSS 140 A) (see figure H)

Fit a dust extraction hose (10) onto the extraction outlet (9).

Connect the dust extraction hose (10) to an extractor. You

will find an overview of connecting to various dust extractors

Coarse 40, 60

at the end of these operating instructions.

The dust extractor must be suitable for the material being

Medium 80, 120

worked.

When extracting dry dust that is especially detrimental to

Fine

180, 240

health or carcinogenic, use a special dust extractor.

English | 9

GSS 140

GSS 140 A

/ II