14
ELRO
®
Pumps for hazardous materials GUP 3-1,5 and GP 20/10Ex
Note on danger, insecure
handling and working
procedures may cause injury or
extensive damage to equipment
and property.
Warning – dangerous electric
voltage. Contact with live parts
can cause immediate death.
Doors and covers (e.g. hoods
and lids) marked with this
sign must only be opened by
”specialists or/and instructed
persons” after the respective
operating voltage (input terminal
voltage, operating voltage or
external input voltage) has been
switched off.
Operating safety of equipment at
risk.
The non-observance of this note
affects the operational reliability
and can lead to pump damage.
In this manual the Attention
symbol precedes all safety
notes referring to instructions,
regulations or work sequences,
which must be strictly complied
with:
In this manual these symbols are used to
highlight notes on possible dangers.
2.6
Maintenance work
Maintenance work must only be performed
by qualified and specially instructed persons.
This applies particularly for all work on
electric, hydraulic and pneumatic equipment.
Keep unauthorized persons away from the
pump.
Mechanical and electrical repairs and
maintenance work must only be carried out
by qualified specialists. The professional
execution of this work must be examined
and approved by a highly skilled and
responsible ”Inspector”.
Before starting repair and maintenance work
the equipment must be switched off and
shut down and secured against unintended
or unauthorized restarting.
Before starting work on electrical systems
and equipment make sure that the system is
reliably de-energized.
Apart from this the pump for hazardous
materials must be reliably secured against
unexpected restarting.
n
Pull out the mains plug
The customer (or an ”authorized person”
appointed by him) is responsible for the
compliance with all accident prevention
instructions applicable at the place of use.
As a measure to avoid injury all
maintenance, adjustment and repair work
should only be carried out using permitted
and appropriate tools and working aids.
Blown fuses must not be repaired or bridged
and may only be replaced by fuses of the
same type.
Cooling facilities, such as ventilation slots,
must not be made permanently ineffective.
Rotating or moving parts must be reliably
stopped before starting work. It must be
assured that these parts will not start to
move while work is in progress.
Do not touch rotating parts and always keep
a safe distance to avoid clothing or hair
being caught.
Always wear protective clothing suitable for
the job and the related dangers.
This applies especially for cleaning,
Attention!
Caution!