Bosch GBH 7-46 DE Service Manual download pdf (Page 17)

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Bosch Power Tools 1 609 929 V45 | (6.7.10)

Noise/Vibration Information

Measured sound values determined according

to EN 60745.

Typically the A-weighted noise levels of the

product are: Sound pressure level 95 dB(A);

Sound power level 106 dB(A). Uncertainty

K=3dB.

Wear hearing protection!

Vibration total values (triax vector sum) deter-

mined according to EN 60745:

Hammer drilling into concrete: Vibration emis-

sion value a

=21 m/s

, Uncertainty K=1.5 m/s

Chiselling: Vibration emission value a

=18 m/s

Uncertainty K=1.5 m/s

The vibration emission level given in this infor-

mation sheet has been measured in accordance

with a standardised test given in EN 60745 and

may be used to compare one tool with another.

It may be used for a preliminary assessment of

exposure.

The declared vibration emission level repre-

sents the main applications of the tool. However

if the tool is used for different applications, with

different accessories or poorly maintained, the

vibration emission may differ. This may signifi-

cantly increase the exposure level over the total

working period.

An estimation of the level of exposure to vibra-

tion should also take into account the times

when the tool is switched off or when it is run-

ning but not actually doing the job. This may sig-

nificantly reduce the exposure level over the to-

tal working period.

Identify additional safety measures to protect

the operator from the effects of vibration such

as: maintain the tool and the accessories, keep

the hands warm, organisation of work patterns.

Declaration of Conformity

We declare under our sole responsibility that

the product described under “Technical Data” is

in conformity with the following standards or

standardization documents: EN 60745 accord-

ing to the provisions of the directives

2004/108/EC, 2006/42/EC.

Technical file at:

Robert Bosch GmbH, PT/ESC,

D-70745 Leinfelden-Echterdingen

Robert Bosch GmbH, Power Tools Division

D-70745 Leinfelden-Echterdingen

Leinfelden, 07.07.2010

Assembly

f Before any work on the machine itself, pull

the mains plug.

Auxiliary Handle

f Operate your machine only with the auxilia-

ry handle 6.

The auxiliary handle 6 can be set to any position

for a secure and low-fatigue working posture.

– Turn the bottom part of the auxiliary handle

6 in counterclockwise direction and swivel

the auxiliary handle 6 to the desired position.

Then retighten the bottom part of the auxilia-

ry handle 6 by turning in clockwise direction.

Changing the Tool

With the SDS-max tool holder, simpler and eas-

ier tool changing is possible without additional

aids.

The dust protection cap 1 largely prevents the

entry of drilling dust into the tool holder during

operation. When inserting the tool, take care

that the dust protection cap 1 is not damaged.

f A damaged dust protection cap should be

changed immediately. We recommend hav-

ing this carried out by an after-sales serv-

ice.

Dr. Egbert Schneider

Senior Vice President

Engineering

Dr. Eckerhard Strötgen

Head of Product

Certification

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