Bosch GGS 27 L Operations Instructions Page 10

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Observe the manufacturer’s instructions for
mounting and using grinding tools.
Caution! The grinding tool runs on after the
machine is switched off.
Do not clamp the machine in a vice.
Bosch can assure flawless functioning of the
machine only when original accessories are
used.
Mounting the grinding tools (optional
accessories)
Before any work on the machine itself, pull
the mains plug.
Use only grinding tools with a permissible
allowable speed at least as high as the no-load
speed of the machine.
Clean the parts to be mounted. Hold the
grinder spindle 4 on the spanner surfaces
with a 17 mm open-ended spanner.
Loosen clamping nut 3 using an open-ended
spanner.
Insert the clamping shaft of the grinding tool to the
stop into the collet chuck.
Tighten clamping nut 3.
The grinding tools must run completely
concentrically. Do not continue to use damaged
grinding tools that are out of balance. If the grinding
tools are out of balance they should be replaced.
Treat with a whetstone or change. Using a
whetstone any particular special shape can be
produced out of the basic forms of the grinding disc.
Initial Operation
Check for correct mains voltage: The voltage of
the power source must agree with the voltage
specified on the nameplate of the machine.
Equipment marked with 230 V can also be
connected to 220 V.
Switching on: Slide the on/off switch 6 forward
and press down to the front until it
latches.
Switching off: Press down the on/off switch 6 to
the rear - the switch springs to the
off position.
Test run!
Check the grinding tool before use. The
grinding tool must be flawlessly mounted
and be able to rotate freely. Perform a test
run of at least 30 seconds without load. Do
not use damaged, out of round or vibrating
grinding tools.
Operating Instructions
Wear safety glasses.
Optimum grinding results are achieved when the
grinding tool is moved uniformly back and forth with
light pressure.
Pressure that is too strong reduces the
performance capability of the machine and causes
the grinding tool to wear more quickly.
Do not continue to use out-of-round grinding tools.
Dress with a dressing stone (optional accessory) or
replace.
Maintenance and Cleaning
Before any work on the machine itself, pull
the mains plug.
For safe and proper working, always keep
the machine and the ventilation slots clean.
In extreme working conditions, conductive dust can
accumulate in the interior of the machine when
working with metal. The protective insulation of the
machine can be degraded. The use of a stationary
extraction system is recommended in such cases
as well as frequently blowing out the ventilation
slots and installing a residual current device (RCD).
If the machine should fail despite the rigorous
manufacturing and testing procedures, repair
should be carried out by an authorised after-saled
service centre for Bosch Power Tools.
Guarantee
We guarantee BOSCH appliances in accordance with
statutory/country-specific regulations (proof of
purchase by invoice or delivery note).
Damage attributable to normal wear and tear, overload
or improper handling will be excluded from the
guarantee.
In case of complaint please send the machine,
undismantled, to your dealer or the BOSCH Service
Center for electric power tools.
Warning!
Freight and insurance costs are charged to the client,
even for warranty claims.
Environmental protection
Recycle raw materials instead of
disposing as waste
The machine, accessories and packaging
should be sorted for environmental-friendly recycling.
The plastic components are labeled for categorized
recycling.
Subject to change without notice
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