Xylem Flygt 2860.180, Инструкция по установке, эксплуатации и обслуживанию

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Maintenance
Precautions
DANGER:
Disconnect and lock out electrical power before installing or servicing the unit.
WARNING:
• Always follow safety guidelines when working on the product. See Introduction and
Safety (page 3).
• Make sure that the unit cannot roll or fall over and injure people or damage property.
• Rinse the unit thoroughly with clean water before working on the unit.
• Rinse the components in water after dismantling.
Make sure that you follow these requirements:
• Check the explosion risk before you weld or use electrical hand tools.
• Allow all system and pump components to cool before you handle them.
• Make sure that the product and its components have been thoroughly cleaned.
• Do not open any vent or drain valves or remove any plugs while the system is
pressurized. Make sure that the pump is isolated from the system and that pressure is
relieved before you disassemble the pump, remove plugs, or disconnect piping.
Maintenance guidelines
During the maintenance and before reassembly, always remember to perform these
tasks:
• Clean all parts thoroughly, particularly O-ring grooves.
• Change all O-rings, gaskets, and seal washers.
• Lubricate all springs, screws, O-rings with grease.
For an optimal corrosion protection, all O-rings and adjacent surfaces must be coated
with Exxon Mobil Unirex N3 or equivalent.
WS006894A
Figure 4: Example of O-ring adjacent surfaces
Maintenance
22 Flygt 2860.180 Installation, Operation, and Maintenance Manual