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Bosch Professional GCM 254 Original Instructions Manual page 16

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16 | English
The appliance meets IEC 61000-3-11 requirements and is
subject to conditional connection. The appliance can lead to
occasional voltage fluctuations under unfavorable power
conditions. The impedance of this appliance is set as Z
= 0.101 Ω. The user must make sure, that the connection
point, with the impedance Z
, on which the appliance shall
max
be plugged in meets the impedance requirement: Z
 ≥ Z
. If Z
is unknown, determine Z
tual
max
max
with the network supplier or supply authority.
Values can vary depending upon the product and are subject to ap-
plication and environmental conditions. For further information
www.bosch-professional.com/wac.
Dimensions of suitable saw blades
Saw blade diameter
Base blade thickness
Max. cutting width
Hole diameter
Assembly
Avoid starting the power tool unintentionally. The
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mains plug must not be connected to the power supply
during assembly or when carrying out any kind of
work on the power tool.
Items included
See the list of items included at the start of the
operating manual.
Check to ensure that all the parts listed below have been
supplied before using the power tool for the first time:
– Mitre saw with mounted saw blade
Note: Bosch sells some power tools without a saw blade.
You can tell whether a saw blade is included with the
power tool by looking at the packaging.
– Only if product is delivered without a saw blade: Clamp-
ing flange (38) and inner clamping flange (40)
– Screw clamp (15)
– Hex key (28)
– Length stop (35)
– Dust bag (1)
– Workpiece supports (9) (2x)
Note: Check the power tool for possible damage.
Before continuing to use the power tool, carefully check that
all protective devices or slightly damaged parts are working
perfectly and according to specifications. Check that the
moving parts are working perfectly and without jamming;
check whether any parts are damaged. All parts must be fit-
ted correctly and all the conditions necessary to ensure
smooth operation must be met.
If the protective devices or any parts become damaged, you
must have them properly repaired or replaced by an author-
ised service centre.
1 609 92A 88J | (14.03.2023)
Fitting individual components
– Carefully remove all parts included in the delivery from
their packaging.
actual
– Remove all packing material from the power tool and the
accessories provided.
Stationary or flexible mounting
ac-
in consultation
max
To ensure safe handling, the power tool must be
u
mounted on a flat, stable work surface (e.g. work
bench) before use.
Mounting on a work surface (see figure A1−A2)
– Use suitable screw fasteners to secure the power tool to
mm
254
the work surface. The holes (23) are used for this pur-
mm
1.4–2.5
pose.
or
mm
3
– Firmly clamp the base of the power tool to the work sur-
mm
25.4
face with commercially available screw clamps.
Mounting on a Bosch saw stand
With the height-adjustable legs, Bosch GTA saw stands
provide firm support for the power tool on any surface. The
workpiece supports of the saw stand are used for underlay-
ing long workpieces.
Read all the warnings and instructions included with
u
the saw stand. Failure to observe the warnings and fol-
low instructions may result in electric shock, fire and/or
serious injury.
Assemble the saw stand properly before mounting the
u
power tool. Correct assembly is important to prevent the
risk of collapsing.
– Mount the power tool on the saw stand in the transport
position.
Dust/Chip Extraction
The dust from materials such as lead paint, some types of
wood, minerals and metal can be harmful to human health.
Touching or breathing in this dust can trigger allergic reac-
tions and/or cause respiratory illnesses in the user or in
people in the near vicinity.
Certain dusts, such as oak or beech dust, are classified as
carcinogenic, especially in conjunction with wood treatment
additives (chromate, wood preservative). Materials contain-
ing asbestos may only be machined by specialists.
– Use a dust extraction system that is suitable for the ma-
terial wherever possible.
– Provide good ventilation at the workplace.
– It is advisable to wear a P2 filter class breathing mask.
The regulations on the material being machined that apply in
the country of use must be observed.
Avoid dust accumulation at the workplace. Dust can
u
easily ignite.
The dust/chip extraction system can be blocked by dust,
chips or fragments of the workpiece.
– Switch the power tool off and pull the mains plug out of
the socket.
– Wait until the saw blade has come to a complete stop.
Bosch Power Tools

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