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Bosch GWS 20-230 P Manual

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20 | English
Noise/Vibration Information
Noise emission values determined according to
EN60745-2-3.
Typically the A-weighted noise level of the power tool are: 93
dB(A); sound power level 104 dB(A). Uncertainty K = 3 dB.
Wear hearing protection!
Vibration total values ah (triax vector sum) and uncertainty K
determined according to EN60745-2-3:
Surface grinding (roughing):
ah=5.5m/s2, K=1.5m/s2,
Disc sanding:
ah=2.5m/s2, K=1.5m/s2.
The vibration level given in these instructions has been
measured in accordance with a standardised measuring pro-
cedure and may be used to compare power tools. It can also
be used for a preliminary estimation of exposure to vibra-
tion.
The stated vibration level applies to the main applications of
the power tool. However, if the power tool is used for differ-
ent applications, with different application tools or poorly
maintained, the vibration level may differ. This can signific-
antly increase the exposure to vibration over the total work-
ing period.
To estimate the exposure to vibration accurately, the times
when the tool is switched off or when it is running but not ac-
tually being used should also be taken into account. This can
significantly reduce the exposure to vibration 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 the hands warm,
and organising workflows correctly.
Fitting
Fitting protective equipment
uPull the plug out of the socket before carrying out any
work on the power tool.
Note: If the grinding disc breaks during operation or the
holding fixtures on the protective guard/power tool become
damaged, the power tool must be sent to the after-sales ser-
vice immediately; see the "After-Sales Service and Applica-
tion Service" section for addresses.
Protective guard for grinding
Place the protective guard (5) on the spindle collar. Adjust
the position of the protective guard (5) to the requirements
of the operation and lock the protective guard (5) with the
locking screw (6).
uAdjust the protective guard (5) such that sparking in
the direction of the operator is prevented.
Protective guard for cutting
uAlways use the protective guard for cutting (13) when
cutting bonded abrasives.
uProvide sufficient dust extraction when cutting stone.
The protective guard for cutting (13) is fitted in the same
way as the protective guard for grinding (5).
Extraction guard for cutting with a guide block
The extraction guard for cutting with a guide block (21) is fit-
ted in the same way as the protective guard for grinding (5).
Side handle
uDo not operate your power tool without the side
handle (3).
Screw the side handle (3) on the left or right of the machine
head depending on how your are working.
Hand guard
uAlways fit the hand guard (15) when working with the
rubber sanding plate (17) or with the cup brush/disc
brush/flap disc.
Attach the hand guard (15) to the side handle (3).
Fitting the abrasive tools
uPull the plug out of the socket before carrying out any
work on the power tool.
uDo not touch grinding and cutting discs until they have
cooled down. The discs can become very hot while work-
ing.
Clean the grinding spindle (4) and all the parts to be fitted.
Lock the grinding spindle with the spindle lock button (1)
before clamping and releasing the abrasive tools.
uDo not press the spindle lock button while the grind-
ing spindle is moving. The power tool may become dam-
aged if you do this.
Grinding/cutting disc
Pay attention to the dimensions of the abrasive tools. The
diameter of the hole must match that of the mounting flange.
Do not use an adapter or reducer.
When using diamond cutting discs, ensure that the arrow in-
dicating the direction of rotation on the diamond cutting disc
matches the direction of rotation of the power tool (see the
direction of rotation arrow on the machine head).
See the graphics page for assembly instructions.
To fasten the grinding/cutting disc, screw on the clamping
nut(9) and tighten with the two-hole spanner(see " Quick-
clamping nut ", page21).
uAfter fitting the abrasive tool, check that the abrasive
tool is fitted correctly and can turn freely before
switching on the power tool. Make sure that the abras-
ive tool does not brush against the protective guard or
other parts.
A plastic part (O-ring) is fitted around the cent-
ring collar in the mounting flange (7). If the O-
ring is missing or damaged, the mounting
flange (7) must be replaced before operation
can resume.
Flap disc
uAlways fit the hand guard (15) when working with the
flap disc.
1 609 92A 6SG | (05.08.2021) Bosch Power Tools
… 20 …


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