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Translation of original operating instructions
94
AL-KO AT4F ATEX
7
Servicing and maintenance
7.1
Safety instructions for servicing and maintenance
WARNING
Risk of injury.
Disconnect the AT4F ATEX unit from the mains power supply on all poles and secure it to
prevent restart before starting any repair or maintenance work.
Close the media supply (water, gas, etc.) before all repair and maintenance work.
Follow the applicable safety rules.
Have installation, commissioning, servicing and maintenance work carried out only by
qualified staff.
To be carried out by the person responsible:
Ensure that only suitable components according to the required ATEX marking are used.
Ensure that work on/in the AT4F ATEX unit takes place during ATEX zone freedom.
Personal protective equipment conforming to TRGS 727 is required for work on the AT4F
ATEX unit!
Only suitable tools that meet the requirements of DIN EN 1127-1 may be used.
After carrying out the work, ensure that there are no longer any persons in the installation.
After carrying out the work, ensure that all maintenance doors, inspection covers and
housing covers are integrated into the unit potential. After each release of these equipo-
tential bonding connections, they must be restored, checked and documented (see chap-
ter "5.2 Preparations" on page 35).
After carrying out the work, ensure that all components are integrated back into the unit
potential.
Before restarting the installation, ensure that all factory-installed protective measures are
functioning correctly.
WARNING
Risk of cuts
There is a risk of cutting injuries during cleaning and maintenance of the AT4F ATEX unit.
Wear personal protective equipment (cut-proof gloves).
WARNING
Risk of slipping! Leaked medium/condensate
Immediately take up the spill quantity and dispose of it properly.
WARNING
Risk of injury from falling from ladders, scaffolding or work platforms.
Only use suitable and tested ladders, steps, scaffolding and work platforms.
Work with care.
Содержание AT4F Series
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