Manual Bosch GDE 28 D (page 10 of 89) (All languages)

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10 | English

Fitting the Dust Cap and Extension (seefigureE)

You will need to change the dust cap(3)/(2) depending on

the drilling diameter:

– Dust cap(3) for a drilling diameter of 4−16mm

– Dust cap(2) for a drilling diameter of 16−28mm

In addition, you must change the dust cap if its wall contact

surface shows clear signs of wear and is causing dust to es-

cape through the extraction brush during extraction.

Removing the dust cap:

– Press the release button(14) and pull the dust cap up-

wards out of the holder.

Fitting the dust cap:

– Insert the new dust cap into the holder from above until

the release button(14) audibly engages.

The extension(1) is required if you use drill bits with a total

length of 165−265mm.

– Mount and remove the extension(1) according to the as-

sembly/removal of the dust cap.

Mechanical filter cleaning

The dust extraction attachment is equipped with mechanical

filter cleaning, which removes dust adhering to the HEPA

filter(16). Carry out mechanical filter cleaning regularly.

This will lead to the HEPA filter being tapped out, ensuring a

constant air volume flow and therefore constant extraction

power.

– Turn the mechanical filter cleaning hand wheel(10)

clockwise until you have heard at least three clicking

sounds.

Emptying the Dust Box (see figures F1−F5)

Note: Wear a dust mask when performing maintenance and

cleaning on the dust box.

Empty the dust box(9) regularly as well as after completing

your work, in order to ensure that the dust extraction attach-

ment continues to perform optimally. The viewing window

enables you to check how full the dust box is.

– Hold the power tool with the dust extraction attachment

horizontally and switch on the power tool for a few

seconds.

This will cause residual dust to be sucked out of the ex-

traction channel into the dust box(9).

– Press the release button(7) and swivel the dust box(9)

out of the dust extraction attachment.

– Open the dust box flap(15) until it covers the filter(16).

– Empty the dust box(9) over a suitable waste bin.

– If necessary, take the HEPA filter(16) out of the dust box

and carefully tap it out or brush down the filter flaps with

a soft brush.

Put the HEPA filter back in the dust box.

Note: Do not clean the HEPA filter by blowing it with com-

pressed air.

– Then close the dust box flap(15).

– Position the dust box on the dust extraction attachment

at the hinge and swivel the dust box until the release but-

ton (7) audibly engages.

– Carry out mechanical filter cleaning.

Maintenance and Service

Maintenance and Cleaning

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.

uPull the plug out of the socket before carrying out any

work on the power tool.

uTo ensure safe and efficient operation, always keep

the power tool and the ventilation slots clean.

If the battery is no longer working, please contact an author-

ised after-sales service agent for Bosch power tools.

In order to avoid safety hazards, if the power supply cord

needs to be replaced, this must be done by Bosch or by an

after-sales service centre that is authorised to repair Bosch

power tools.

– Clean the dust extraction attachment using a dry, soft

cloth.

After-Sales Service and Application Service

Our after-sales service responds to your questions concern-

ing maintenance and repair of your product as well as spare

parts. You can find explosion drawings and information on

spare parts at: www.bosch-pt.com

The Bosch product use advice team will be happy to help you

with any questions about our products and their accessor-

ies.

In all correspondence and spare parts orders, please always

include the 10‑digit article number given on the nameplate

of the product.

Great Britain

Robert Bosch Ltd. (B.S.C.)

P.O. Box 98

Broadwater Park

North Orbital Road

Denham Uxbridge

UB 9 5HJ

At www.bosch-pt.co.uk you can order spare parts or arrange

the collection of a product in need of servicing or repair.

Tel. Service: (0344) 7360109

E-Mail: boschservicecentre@bosch.com

You can find further service addresses at:

www.bosch-pt.com/serviceaddresses

Disposal

Dust extraction attachments, batteries, accessories and

packaging should be sorted for environmentally friendly re-

cycling.

1 609 92A 5Y8 | (19.10.2021) Bosch Power Tools

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Bosch GDE 28 D Manual

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