9. Maintenance
9.1 Safety instructions for the basic maintenance of
Polydos systems
The basic maintenance tasks must be performed by
trained users.
Maintenance and repair tasks not described in this manual
must only be performed by certified service persons.
Switch off the main switch on the control cabinet before
any work on the system components and lines.
Do not open the control cabinet.
Wear personal protective equipment.
Observe the chemical manufacturer's safety data sheets
(SDS) and safety instructions of the used chemicals.
Safety installations, which have been disabled or removed
during maintenance, must be enabled or installed again
immediately after maintenance.
Wipe up spilled water, polymer or polymer solution
immediately to avoid slipping hazard.
WARNING
Electric shock
Death or serious personal injury
Liquids on electrical components can lead to electric
shock. Short circuits can cause damage to the equipment.
‐ Keep all electrical components dry.
‐ Cover electrical components with a watertight foil
during maintenance.
Before reassembling, make sure all parts are clean, dry
and undamaged.
Related information
2.4 Working with chemicals
2.5 Electrical hazards
2.6 Mechanical hazards
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