Manual Bosch GTR 550 (page 16 of 123) (All languages)

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16 | English

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

uPull the plug out of the socket before carrying out any

work on the power tool.

Changing the Sanding Sheet (seefigureA)

To remove the sanding sheet(14), lift it from the side and

pull it off the intermediate pad(15).

Remove dirt and dust from the intermediate pad(15), e.g.

with a paintbrush, before attaching a new sanding sheet.

The surface of the intermediate pad(15) 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(14) firmly onto the underside of

the intermediate pad(15).

To ensure optimum dust extraction, make sure that the

punched holes in the sanding sheet(14) are aligned with the

punched holes in the intermediate pad(15) and the drilled

holes in the sanding pad(17).

Note: An intermediate pad(15) is not required when work-

ing with the medium-hard sanding pad; the sanding

sheet(14) is attached directly to the sanding pad(17). In all

other cases, the change is performed as described here.

Selection of the Sanding Plate

Soft sanding pad

setA)

(2608000766)

– For universal use on flat and curved

surfaces

– The set consists of a soft sanding pad

and an intermediate pad

(2608000765). The sanding pad

may only be used with an intermedi-

ate pad.

Medium-hard

sanding pad

(2608000764)

– High material removal rate, ideal for

hard plaster and removing old wall

paints

– For use on flat surfaces

– Optimal suction support makes work

easier when using a dust extractor.

A) Standard scope of delivery

Changing the Intermediate Pad (seefigureA)

An intermediate pad(15) must always be used when work-

ing with the soft sanding pad (part of standard items in-

cluded).

To remove the intermediate pad(15), lift it from the side

and pull it off the sanding pad(17).

Remove dirt and dust from the sanding pad(17), e.g. with a

paintbrush, before attaching a new intermediate pad.

The surface of the sanding pad(17) is fitted with a hook-

and-loop fastening, allowing intermediate pads to be se-

cured quickly and easily.

Press the intermediate pad(15) firmly against the underside

of the sanding pad(17).

To ensure optimum dust extraction, make sure that the

punched holes in the intermediate pad(15) are aligned with

the drilled holes in the sanding pad(17).

Changing the Sanding Pad (see figure B)

Note: Replace damaged sanding pads (17) immediately.

Pull off the sanding sheet(14) and the intermediate

pad(15). Unscrew the screw(16) completely and remove

the sanding pad(17). Attach the new sanding pad(17) and

retighten the screw.

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 pads must only be replaced by an

after-sales service centre authorised to work with Bosch

power tools.

Inserting/Removing the Extension Tube

(seefiguresC–D)

Only use the extension tubes(10) if necessary. The effort re-

quired for the sanding is significantly lower when working

without extension tubes.

Note: A maximum of two extension tubes may be inserted.

Undoing the Connection between Sanding Head/Handle

Section/Extension Tube (see figureC):

– Open the clamping lever(9).

– Open the safety hook(8).

– Pull the previously connected parts apart.

Fastening the Connection between Sanding Head/

Handle Section/Extension Tube (see figureD):

– Slide the sanding head(11), handle section(7) and/or

extension tubes(10) into each other depending on the

required connection.

– Close the safety hook(8).

– Push the clamping lever(9) until it is at a right angle to

the sanding head(11), handle section(7) or extension

tube(10).

– Firmly tighten the eccentric screw(21).

– Close the clamping lever(9).

Always check that all the connection elements are secured

with the safety hooks(8) and clamping levers(9) and are

firmly attached.

Dust/chip extraction

Dust from materials can be harmful to health. Touching or

breathing in this dust can trigger allergic reactions and/or

cause respiratory illnesses in the user or in people in the

1 609 92A 86Z | (21.07.2022) Bosch Power Tools

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Bosch GTR 550 Manual

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