7.1
[en] 02/2014
Installation and operating manual - NK 31
7.1 Safety precautions
The owner must ensure that all maintenance,
assembly and repair work is carried out by au-
thorized, qualied, specially trained personnel,
which has informed itself sufciently in advance
by studying the operating manual in detail.
Following commissioning, the owner bears al
responsibility and liability for equipment and as-
sembly.
– Only use permissible or suitable tools for main-
tenance and repair work.
– Only use genuine spare parts.
– All maintenance and repair work must only be
carried out with the machines shut down and
the power supply switched off. In the process,
the machine must be secured against acciden-
tal switch-on.
– Before removing pressurized parts, the unit
must be effectively cut off from all pressure
sources and a pressure relief of the entire sys-
tem must be carried out.
– Never use ammable solvents or carbon
tetrachloride to clean parts. Take precautions
against toxic vapors or cleaning agents.
– Always ensure absolute cleanliness during
maintenance and when conducting repair
work. Keep dirt away from the system. Cover
parts and exposed openings with a clean cloth,
paper or strips of adhesive tape.
– Do not carry out welding work or any other
work requiring or producing heat near the oil
system.
– Make sure that no tools, loose parts or clean-
ing cloths are left behind in or on the system.
– Before releasing the unit for operation follow-
ing maintenance or overhauling, check wheth-
er the operating pressures, temperatures,
time settings and the oil level are correct, and
whether the control and switch-off devices
function properly.
– Electrical components, control devices, etc.
must be protected against the penetration of
moisture, e.g. from a steam jet.
7 Maintenance
Warning
During all maintenance work:
ACCIDENT DANGER!
Note
All maintenance work conducted must be entered
immediately in the check sheet.
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