Bosch GWS 7 115 E [13/72] Assembly
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Bosch GWS 7 115 E [13/72] Assembly

Bosch GWS 7 115 E [13/72] Assembly
English | 13
Bosch Power Tools 1 619 X07 388 | (19.3.12)
Noise/Vibration Information
Measured sound values determined according to EN 60745.
Typically the A-weighted noise levels of the product are:
Sound pressure level 93 dB(A); Sound power level
104 dB(A). Uncertainty K =3 dB.
Wear hearing protection!
Vibration total values a
h
(triax vector sum) and uncertainty K
determined according to EN 60745:
a
h
=3.5m/s
2
, K=1.5m/s
2
.
The vibration emission level given in this information 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 expo-
sure.
The declared vibration emission level represents the main ap-
plications 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 significantly in-
crease the exposure level over the total working period.
An estimation of the level of exposure to vibration should also
take into account the times when the tool is switched off or
when it is running but not actually doing the job. This may sig-
nificantly reduce the exposure level over the total working pe-
riod.
Identify additional safety measures to protect the operator
from the effects of vibration such as: maintain the tool and the
accessories, keep hands warm, organise work patterns.
Declaration of Conformity
We declare under our sole responsibility that the product de-
scribed under “Technical Data” is in conformity with the fol-
lowing standards or standardization documents: EN 60745
according to the provisions of the directives 2011/65/EU,
2004/108/EC, 2006/42/EC.
Technical file (2006/42/EC) at:
Robert Bosch GmbH, PT/ETM9,
D-70745 Leinfelden-Echterdingen
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden-Echterdingen
29.02.2012
Assembly
f Before any work on the machine itself, pull the mains
plug.
Dust/Chip Extraction
f Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful to
one’s health. Touching or breathing-in the dusts can cause
allergic reactions and/or lead to respiratory infections of
the user or bystanders.
Certain dusts, such as oak or beech dust, are considered
as carcinogenic, especially in connection with wood-treat-
ment additives (chromate, wood preservative). Materials
containing asbestos may only be worked by specialists.
– As far as possible, use a dust extraction system suita-
ble for the material.
– Provide for good ventilation of the working place.
– It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the
materials to be worked.
f Prevent dust accumulation at the workplace. Dusts can
easily ignite.
Integrated Dust Extraction with Dust Box
(see Fig. A1 – A4)
Mount the extraction adapter 9 onto the extraction outlet 10.
Mount the dust box 6 onto the extraction adapter 9, ensuring
that it engages.
To empty the dust box 6, press the latching levers 11 on the
side of the dust box. Pull off the dust box.
Before opening the dust box 6, it is recommended to loosen
the dust from the filter element by gently striking it against a
firm support (as shown in the figure).
Grasp the dust box 6 by the recessed grip, fold the filter ele-
ment 12 upward and empty the dust box. Clean the thin
plates of the filter element 12 with a soft brush.
Note: The belt sander has a high removal rate. To ensure op-
timum dust extraction, empty the dust box 6 regularly after
5 minutes of operation and clean the filter element 12 regu-
larly.
External Dust Extraction
Mount a vacuum hose onto the extraction outlet 10. Connect
the vacuum hose with a vacuum cleaner. An overview for the
connection of various vacuum cleaners can be found at the
end of these instructions.
The vacuum cleaner must be suitable for the material being
worked.
When vacuuming dry dust that is especially detrimental to
health or carcinogenic, use a special vacuum cleaner.
Changing the Sanding Belt (see figures B–D)
– Completely pivot out the clamping lever 3. The sanding
belt 2 is now loose and can be removed.
– Mount the new sanding belt 2. Pay attention that the direc-
tion of the arrows on the inside of the sanding belt corre-
spond with the arrow direction on the machine housing.
– Pivot the clamping lever 3 back to its initial position.
– Pick up the machine and switch it on. The belt run is auto-
matically centred upon switching on and during the sand-
ing procedure.
If the sanding belt is not centred after switching on the ma-
chine, the belt run must be readjusted manually, if required.
For this, readjust adjustment screw 13 at the front roll using a
screwdriver until the sanding belt 2 runs in a position with dis-
tance of about 2–3 mm between the belt and the aluminium
housing, see figure D. Should the belt run still not be centred
after this, then the sanding belt 2 must be replaced.
Dr. Egbert Schneider
Senior Vice President
Engineering
Helmut Heinzelmann
Head of Product Certification
PT/ETM9
OBJ_BUCH-1634-001.book Page 13 Monday, March 19, 2012 8:10 AM

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OBJ BUCH 1634 001 book Page 13 Monday March 19 2012 8 10 AM English 13 Noise Vibration Information Measured sound values determined according to EN 60745 Typically the A weighted noise levels of the product are Sound pressure level 93 dB A Sound power level 104 dB A Uncertainty K 3 dB Wea r hearing protect on Vibration total values ah triax vector sum and uncertainty K determined according to EN 60745 ah 3 5 m s2 K 1 5 m s2 The vibration emission level given in this information sheet has been measured in accordance with astandardised test given i n EN 60745 and may be used to compare one tool wi th another It may beused for a preliminary assessment of expo Certain dusts such as oak or beech dust are considered as carcinogenic especially in connection with wood treat ment additives chromate wood preservative Materials containing asbestos may only be worked by specialists As far as possible use a dust extraction system suita ble for the material Provide for good ventilation of the working place It is recommended to wear aP2 filter class respirator Observe the relevant regulations in your country for the materials to be worked Prevent dust accumulation at the workplace Dusts can easily ignite Integrated Dust Extraction with Dust Box see Fig Al A4 sure The declared vibration emission level represents the main ap plications of the tool However if the tool is used for different applications with different accessories or poorlymaintained Mount theextraction adapter 9onto the extraction outlet 10 Mount the dust box 6 onto the extraction adapter 9 ensuring thatitengages the vibration emission may differ This may significantly in To empty the dust box 6 press the latching levers 11 on the crease the exposure level over the total working period side of the dust box Pull off the dust box An estimation of thelevel of exposure to vibration should also take into account the times when the tool is switched off or Before opening the dust box 6 it is recommended to loosen when it is running but not actually doing the j ob This may sig nificantly reduce the exposurelevel over the total working pe riod Identify additional safety measures to protect the operator from the effects ofvibrationsuch as maintain the tool and the the dust from the filter element by gently striking it against a firm support as shown in the figure Grasp the dust box 6 by the recessed grip fold the filter ele ment 12 upward and empty the dust box Clean the thin plates of the filter element 12 with a soft brush accessories keep hands warm organise work patterns Note The belt sander has a high removal rate To ensure op timum dust extraction empty the dust box 6 regularly after DeclarationofConformity ÇÇ 5 minutes of operation and clean the filter element 12 regu We declare under our sole responsibility that the product de larly scribed under Technical Data is in conformity with the fol External Dust Extraction lowing standards or standardization documents EN 60745 according to the provisions of the directives 2011 65 EU Mount a vacuum hose onto the extraction outlet 10 Connect 2004 108 EC 2006 42 EC the vacuum hose with a vacuum cleaner An overview for the connection of various vacuum cleaners can be found at the Technical file 2006 42 EC at end of these instructions Robert Bosch GmbH PT ETM9 The vacuum cleaner must be suitable for the material being D 70745 Leinfelden Echterdingen worked Dr Egbert Schneider Senior Vice President HelmutHeinzelmann Head of Product Certification When vacuuming dry dust that is especially detrimental to health or carcinogenic use a special vacuum cleaner Engineering PT ETM9 Changing the Sanding Belt see figures B D Completely pivot out the clamping lever 3 Thesanding belt 2 is now loose and can be removed Robert Bosch GmbH Power Tools Division D 70745 Leinfelden Echterdingen 29 02 2012 Assembly Mount the new sanding belt 2 Pay attention that the direc tion of the arrows on the inside of thesanding belt corre spond with the arrow direction on the machine housing Pivot the cl ampi ng I ever 3 back to its I ni ti al posi tion Pickup the machine and switch it on The belt run is auto matically centred upon switching on and during thesand Before any work on themachine itself pull the mains plug Dust Chip Extraction Dusts from materials such as lead containing coatings somewood types minerals and metal can be harmful to one s health Touching or breathing in the dusts can cause allergic reactions and or lead to respiratory infections of the user or bystanders Bosch Power Tools ing procedure If thesanding belt is not centred after switching on the ma chine the belt run must be readjusted manually if required For this readjust adjustment screw 13 at the front roll using a screwdriver until the sanding belt 2 runs in a position with dis tance of about2 3 mm between thebeltand the aluminium housing see figure D Should the belt run still not be centred after this then the sanding belt 2 must be replaced 1619X073881 19 3 12

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