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Note: If the tool holder was opened to the stop,

then the latching noise possibly may be heard

while closing the tool holder and the tool holder

will not close.

In this case, turn the front sleeve 21 once in the

opposite direction of the arrow. Afterwards, the

tool holder can be closed (tightened) again.

Turn the mode selector switch 11 to the "drill-

ing" position.

Removing Drilling Tools without SDS-plus

(GBH 2-26 DFR) (see figure I)

Firmly hold the retaining ring 22 of the quick

change chuck. Open the tool holder by turning

the front sleeve 21 in the direction of the arrow

until the tool can be removed.

Dust Extraction with the Dust

Extraction Attachment (Accessory)

Dusts from materials such as lead-containing

coatings, some wood types, minerals and

metal can be harmful to one's health. Touch-

ing or breathing-in the dusts can cause aller-

gic reactions and/or lead to respiratory infec-

tions of the user or bystanders.

Certain dusts, such as oak or beech dust, are

considered as carcinogenic, especially in

connection with wood-treatment additives

(chromate, wood preservative). Materials

containing asbestos may only be worked by

specialists.

– Use dust extraction whenever possible.

– Provide for good ventilation of the work-

ing place.

– It is recommended to wear a P2 filter-

class respirator.

Observe the relevant regulations in your

country for the materials to be worked.

Mounting the Dust Extraction Attachment

(see figure J)

For dust extraction, the dust extraction attach-

ment (accessory) is required. When drilling, the

dust extraction attachment retracts so that the

attachment head is always close to the surface

at the drill hole.

Bosch Power Tools

Press the button for depth stop adjustment 12

and remove the depth stop 13. Press button 12

again and insert the dust extraction attachment

into the auxiliary handle 14 from the front.

Connect an extraction hose (diameter 19 mm,

accessory) to the extraction sleeve 23 of the

dust extraction attachment.

The vacuum cleaner must be suitable for the ma-

terial being worked.

When vacuuming dry dust that is especially det-

rimental to health or carcinogenic, use a special

vacuum cleaner.

Adjusting the Drilling Depth on the Dust

Extraction Attachment (see figure K)

The required drilling depth X can also be adjust-

ed when the dust extraction attachment is

mounted.

Insert the SDS-plus drilling tool to the stop into

the SDS-plus tool holder 3. Otherwise, the mov-

ability of the SDS-plus drilling tool can lead to

incorrect adjustment of the drilling depth.

Loosen the wing bolt 27 on the dust extraction

attachment.

Without switching the power tool on, apply it

firmly to the drilling location. The SDS-plus drill-

ing tool must face against the surface.

Position the the guide pipe 28 of the dust ex-

traction attachment in its holding fixture in such

a manner that the head of the dust extraction at-

tachment faces against the surface to be drilled.

Do not slide the guide pipe 28 further over the

telescopic pipe 26 of the dust extraction attach-

ment than required, so that as much as possible

of the scale 26 on the telescopic pipe remains

visible.

Retighten the wing bolt 27 again. Loosen the

clamping screw 24 on the depth stop of the dust

extraction attachment.

Move the depth stop 25 on the telescopic pipe

26 in such a manner that the clearance X shown

in the figure corresponds with the required drill-

ing depth.

Tighten the clamping screw 24 in this position.

English | 23

1 619 929 726 | (14.11.07)