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A APPENDIX. MAINTENANCE
Maintenance
schedule
In order to ensure the requirements of potable drinking water treated and the
maintenance of the improvements as declared by the manufacturer, this equipment
must be checked at least once a month.
OPERATOR PROTECTION
Use safety equipment according to the company regulations.
Use this safety equipment within the work area during installation, service and
when handling chemicals:
• protective mask
• protective gloves
• safety goggles
• ear plugs or hear muffs
• further security device, if necessary.
POWER SUPPLY DISCONNECTION
Always disconnect power to the motor before you perform any installation or
maintenance tasks. Failure to disconnect power will result in serious physical
injury.
Installation and maintenance tasks should be carried out by AUTHORIZED AND
QUALIFIED PERSONNEL only in accordance with local regulations.
Use original spare parts.
Shutdown the dosing pump before any maintenance operation ⎘ Shutdown
procedure.
A maintenance schedule includes these types of inspections:
• Routine maintenance and inspections
• Three-month inspections
• Annual inspections
Shorten the inspection intervals appropriately if the pumped chemical is abrasive or corrosive.
Routine maitenance and inspections
Perform these tasks whenever you perform routine maintenance:
• Inspect the seal. Ensure that there are no leaks from the mechanical seal.
• Check electrical wiring
• Check for unusual noise and vibration (noise allowed 74 dbA; ± 5 dB).
• Check the pump and piping for leaks.
• Check for corrosion on parts of the pump and / or on hoses.
Three-month inspections
Perform these tasks every three months:
• Check that the tightenings.
• Check the mechanical seal if the pump has been left idle.
Annual inspections
Perform these inspections one time each year:
• Check the pump capacity (as per nameplate).
• Check the pump pressure (as per nameplate).
• Check the pump power (as per nameplate).
Maintenance
inspection
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