en
Shut-down/dismantling
30
WILO SE 2019-01
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Electrical work: A qualified electrician must carry out the electrical work.
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Installation/dismantling: The technician must be trained in the use of the necessary
tools and fixation materials for the relevant construction site.
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Lifting work: A specialist suitably trained in the operation of lifting devices must
carry out lifting work. Evidence must be presented in accordance with BGV D8 or ap-
plicable local regulations.
8.2
Operator responsibilities
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Locally applicable accident prevention and safety regulations of trade associations.
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Observe regulations for working with heavy loads and under suspended loads.
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Provide the necessary protective equipment and make sure that the personnel wears
it.
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Provide adequate aeration in closed rooms.
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Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
8.3
Shut-down
The mixer is deactivated during decommissioning, but remains installed. This ensures
that the mixer is always ready for operation.
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To protect the mixer from frost and ice, always immerse the mixer completely in
the fluid.
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The fluid temperature must always be above +3 °C (+37 °F).
1. Switch off the mixer at the operating point.
2. Secure the operating point against being switched on again by unauthorised per-
sons (e.g. lock main switch).
▶ The mixer is decommissioned and can now be dismantled.
If the mixer remains installed after decommissioning, observe the following:
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Ensure that the aforementioned requirements are maintained for the complete
period of decommissioning. If these requirements cannot be guaranteed, dismantle
the mixer after decommissioning!
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For an extended period of decommissioning, carry out a 5‑minute function test at
regular intervals (monthly to quarterly).
CAUTION! A function test should only be
carried out under the applicable operating conditions. Never run the machine dry!
Non-compliance can lead to irreparable damage!
8.4
Removal
DANGER
Danger due to fluids hazardous to health during removal!
During removal, contact with fluids that are hazardous to health may occur. Observe
the following points:
• Wear protective equipment:
⇒ Closed safety goggles
⇒ Mouth protection
⇒ Protective gloves
• Immediately wipe up drips.
• Observe the specifications in the work regulations! The operator must make
sure that the personnel have received and read the work regulations!
DANGER
Danger from fluids hazardous to health!
Risk of fatal injury if the mixer is used in fluids hazardous to health.
• Decontaminate the mixer after dismantling and before carrying out any other
work.
• Observe the specifications provided by work regulations. The operator must
make sure that personnel have received and read work regulations.
