6 Maintenance
6.1 Precautions
Before starting work, make sure that the safety instructions in the chapter
on page 3 have been read and understood.
DANGER: Inhalation Hazard
Before entering the work area, make sure that the atmosphere contains sufficient oxygen
and no toxic gases.
DANGER: Explosion/Fire Hazard
Special rules apply to installations in explosive or flammable atmospheres. Do not install the
product or any auxiliary equipment in an explosive zone unless it is rated explosion-proof or
intrinsically-safe. If the product is rated explosion-proof or intrinsically-safe, then see the
specific explosion-proof information in the safety chapter before taking any further actions.
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
WARNING: Biological Hazard
Infection risk. Rinse the unit thoroughly with clean water before working on it.
WARNING: Fall Hazard
Check that suitable barriers for the work area are in place.
CAUTION: Crush Hazard
Make sure that the unit cannot roll or fall over and injure people or damage property.
CAUTION: Thermal Hazard
The surfaces or parts of the unit may become hot during operation. Allow surfaces to cool
before starting work, or wear heat-protective clothing.
Pump manual
The safety information in the Installation, Operation and Maintenance manual for the pump
must be followed at all times.
Ground continuity verification
A ground (earth) continuity test must always be performed after service.
Precautions when opening the cover
Follow these precautions when opening the cover:
6 Maintenance
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Flygt Top Installation, Operation, and Maintenance Manual
