Maintenance Tasks; Draining And Cleaning; Dismantling - Wilo -Atmos GIGA-N Einbau- Und Betriebsanleitung

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9.3

Maintenance tasks

9.4

Draining and cleaning

9.5

Dismantling

68
Maintenance/repair
▪ Wilo recommends briefly putting the standby pumps into operation at least once a
week to ensure they are always ready for operation.
The bearing bracket of the pump is equipped with roller bearings that have lifetime lub-
rication.
▪ The roller bearings of the motors are to be maintained according to the installation and
operating instructions of the motor manufacturer.
WARNING
Risk of injury and damage to property!
• Dispose off the pump contents and rinsing fluid by taking the legal regulations
into account.
• Always wear protective clothing, protective gloves and protective goggles when
working.
DANGER
Risk of fatal injury due to electrical current!
Improper conduct when carrying out electrical work can lead to death due to electric
shock!
• Any work on electrical devices may only be carried out by a qualified electrician.
• Before all work on the unit, deactivate the power supply and guard against acci-
dental switch-on.
• Any damage to the pump connection cable should only ever be rectified by a
qualified electrician.
• Observe the installation and operating instructions for the pump, motor and
other accessories.
• Reinstall any uninstalled safety devices, such as terminal box covers, once the
work is complete.
Maintenance and repair work require the pump be partially or completely dismantled.
The pump housing can be installed in the piping.
▪ Switch off the energy supply to the pump and secure against switching on again.
▪ Close all valves in the suction line and pressure pipe.
▪ Drain the pump by opening the drainage screw and the venting screw.
▪ Remove coupling guard.
▪ If present: Remove the intermediate sleeve of the coupling.
▪ Remove the fastening screws of the motor from the baseplate.
NOTICE
Observe the section drawing in the chapter "Spare parts".
WILO SE 2019-04