• Protect yourself from electrical hazards.
• Never touch the power generator with wet hands.
• Only use approved and appropriately identified exten-
sion cables for use outdoors (H07RN).
• Never operate the power generator during rain or
snowfall.
• Always stop the engine when transporting and refuel-
ling.
• Do not empty the tank near open light, fire or sparks.
Smoking prohibited!
• Do not use the power generator in a thunderstorm -
risk of lightning strike!
• Provide a secure, level place for the power generator.
Turning and tilting or changing location during opera-
tion are forbidden.
• Place the power generator at least 1 m away from
walls or connected devices.
• Values specified in the technical data under sound
power level (LwA) and sound pressure level (LpA)
represent emission levels and are not necessarily safe
working levels. Since there is a correlation between
emission and exposure levels, it cannot be reliably
used to determine any additional precautionary mea-
sures that may be required. Factors influencing the
current exposure level of the worker include the char-
acteristics of the workspace, other noise sources, air-
borne noise, etc., such as the number of machines
and other adjacent processes and the length of time
an operator is exposed to the noise. The permitted ex-
posure level may also vary from country to country.
Nevertheless, this information will enable the operator
of the machine to make a better assessment of the
risks and hazards. If necessary, acoustical measure-
ments should be taken after installation to determine
the sound pressure level.
• Observe the electrical safety regulations applicable to
the place where the power generator is used.
7.2
Electrical safety
• Prior to use, the generator and its electrical equipment
(including lines and plug connectors) should be
checked to ensure that there are no defects.
• The power generating unit must not be connected to
another power source such as the power supply of en-
ergy supply companies. In special cases where a re-
serve connection to existing electrical systems is pro-
vided, this must only be carried out by a qualified elec-
trician who will take into account the differences be-
tween the operated equipment using the public mains
and operation of the power generating unit.
The following differences between grid and power gener-
ation operations must be taken into account:
• Earthing and grid configuration:
The earthing and protective measures of the power
generator may differ from those of the public grid and
must be adapted accordingly.
• Short-circuit power:
The short-circuit power of the generator is lower. Cir-
cuit breakers may trip with a delay or not at all.
• Voltage and frequency:
In generator operation, voltage and frequency may
fluctuate depending on the load.
28 | GB
• Feed-back:
Feeding into the public power grid is not permitted and
must be prevented by means of suitable switchover
devices.
• Parallel operation:
Parallel operation with other power sources is only
permitted with suitable synchronisation.
• Load capacity:
High starting currents can lead to voltage drops.
The connection may only be made with suitable protective
and monitoring devices. Improper connection may result
in property damage or danger to life.
• Protection against electric shocks depends on the cir-
cuit breakers which are matched precisely to the pow-
er generating unit. If a circuit breaker must be re-
placed, this should be done using a circuit breaker
with the same rating and performance characteristics.
• Due to high mechanical loads, only durable rubber
hose lines (per IEC 60245-4) or equivalent equipment
should be used.
• If extension leads or mobile distribution networks are
used, the resistance value must not exceed 1.5 Ω. As
a guideline value, the total length of lines for a cross-
section of 1.5 mm² should not exceed 60 m, and for a
cross-section of 2.5 mm², 100 m should not be ex-
ceeded.
WARNING
Comply with the electrical safety regulations applicable
to the place where the power generators are used.
WARNING
Consider the requirements and precautionary measures
in case of re-supply of a system by power generators
depending on the protective measures of this system
and the applicable directives.
7.3
Handling fuel
ATTENTION
Only use diesel as fuel.
DANGER
Danger to life!
Fuel is toxic and highly flammable.
• Only store fuel in containers (canisters) designed for
this purpose.
• The tank caps must always be properly screwed on
and tightened.
• For safety reasons, the fuel tanks and other fuel caps
must be replaced if damaged.
• Keep fuel away from sparks, open flames, permanent
flames, heat sources and other sources of ignition.
Do not smoke!
• Refuel outdoors only and do not smoke while refuel-
ling.
• Before refuelling, switch off the combustion engine
and let it cool down.
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