Manual Bosch GEX 125-150 AVE Professional (page 16 of 210) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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16 | English

2 609 932 909 | (3.12.13) Bosch Power Tools

Replacing the Sanding Sheet (see figure A)

To remove the sanding sheet 10, lift it from the side and pull it

off of the sanding plate 8.

When attaching a new sanding sheet, remove any dust or de-

bris from the sanding plate 8, e. g., with a brush.

The surface of the sanding plate 8 is fitted with Velcro backing

for quick and easy fastening of sanding sheets with Velcro ad-

hesion.

Press the sanding sheet 10 firmly against the bottom side of

the sanding plate 8.

To ensure optimum dust extraction, pay attention that the

punched holes in the sanding sheet match with the holes in

the sanding plate.

Selection of the Sanding Plate

Depending on the application, the machine can be equipped

with sanding plates of different hardness:

– Sanding plate, extra soft: Suitable for polishing and sensi-

tive sanding, incl. on convex surfaces.

– Soft sanding plate: Suitable for all sanding applications

and general-purpose use.

– Hard sanding plate: Suitable for high sanding capacity on

flat surfaces.

Replacing the Sanding Plate (see figure B)

Note: Replace a damaged sanding plate 8 immediately.

Pull off the sanding sheet or polishing tool. Completely un-

screw the screw 11 and take off the sanding plate 8. Attach

the new sanding plate 8 and tighten the screw again.

Note: When attaching the sanding plate, pay attention that

the toothing of the drive element engage into the openings of

the sanding plate.

Note: A damaged sanding-plate base may be changed only by

an authorised after-sales service agent for Bosch power tools.

Dust/Chip Extraction

 Dusts 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 dusts can cause

allergic reactions and/or lead to respiratory infections of

the user or bystanders.

Certain dusts, such as oak or beech dust, are considered

as carcinogenic, especially in connection with wood-treat-

ment additives (chromate, wood preservative). Materials

containing asbestos may only be worked by specialists.

– As far as possible, use a dust extraction system suita-

ble for the material.

– 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

materials to be worked.

 Prevent dust accumulation at the workplace. Dusts can

easily ignite.

Integrated Dust Extraction with Dust Box

(see figures C –G)

Mount the dust box 7 onto the extraction outlet 12. Turn the

dust box in such a manner that its recesses face against the

tips on the extraction outlet and the dust box can be felt to en-

gage.

The filling level of the dust box 7 can easily be checked

through the transparent container.

To empty the dust box 7, pull it off toward the rear with a slight

twisting motion.

Screw the filter element 6 on and pull it out of the dust box 7.

Empty the dust box.

To loosen the dust, gently strike or tap the filter element 6

against a firm surface. Clean the lamellas of the filter element

6 with a soft brush.

Note: To ensure optimum dust extraction, empty the dust box

7 in good time and clean the filter element 6 at regular inter-

vals.

When working vertical surfaces, hold the power tool in such a

manner that the dust box 7 faces downward.

External Dust Extraction (see figure H)

Mount a vacuum hose 13 onto the extraction outlet 12. Mount

the vacuum hose onto the extraction outlet (as shown in the

figure) in such a manner that the lateral openings on the ex-

traction outlet remain free. This prevents the power tool from

adhering to the workpiece during sanding and the surface

quality of the workpiece from being impaired.

Connect the vacuum hose 13 to a vacuum cleaner (accesso-

ry). An overview for connecting to various vacuum cleaners

can be found at the end of this manual.

The vacuum cleaner must be suitable for the material being

worked.

When vacuuming dry dust that is especially detrimental to

health or carcinogenic, use a special vacuum cleaner.

– Automotive paint

– Masonry, stone

– Marble

–Granite

–Ceramic

–Glass

–Plexiglas

–Glass-fibre plastics

For pre-sanding

coarse 80

For shaping and braking edges

medium 100

120

For final sanding and forming

fine 180

240

320

400

For polish-sanding and rounding off edges

very fine 600

1200

Material Application Grain size

OBJ_BUCH-1330-004.book Page 16 Tuesday, December 3, 2013 10:46 AM

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Bosch GEX 125-150 AVE Professional Manual

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