Bosch GDS 18 E Professional Service Manual download pdf (Page 15)

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Bosch Power Tools 1 609 929 M70 | (26.10.07)

Noise/Vibration Information

Measured values determined according to

EN 60745.

Typically the A-weighted noise levels of the prod-

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

power level 108 dB(A). Uncertainty K =3 dB.

Wear hearing protection!

Vibration total values (triax vector sum) deter-

mined according to EN 60745:

Impact tightening of fasteners of the maximum

capacity of the tool: Vibration emission value

=4 m/s

, Uncertainty K=0.5 m/s

The vibration emission level given in this informa-

tion 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 ex-

posure.

The declared vibration emission level represents

the main applications of the tool. However if the

tool is used for different applications, with differ-

ent accessories or poorly maintained, the vibra-

tion emission may differ. This may significantly

increase the exposure level over the total work-

ing 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 total

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.

Assembly

Changing the Tool

f Before any work on the machine itself, pull

the mains plug.

f When working with an application tool, pay

attention that the application tool is firmly

seated on the tool holder. When the applica-

tion tool is not firmly connected with the tool

holder, it can come loose again and not be

controlled.

Slide the application tool 6 onto the square drive

of the tool holder 5.

Operation

Method of Operation

The tool holder 5 with the tool is driven by an

electric motor via a gear and impact mechanism.

The working procedure is divided into two phas-

es:

Screwing in and tightening (impact mechanism

in action).

The impact mechanism is activated as soon as

the screwed connection runs tight and thus load

is put on the motor. In this instance, the impact

mechanism converts the power of the motor to

steady rotary impacts. When loosening screws or

nuts, the process is reversed.

Overloading the motor is not possible, as the

hammer mechanism disengages when reaching

the rated load.

Starting Operation

f Observe correct mains voltage! The voltage

of the power source must agree with the

voltage specified on the nameplate of the

machine. Power tools marked with 230 V can

also be operated with 220 V.

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