Maintenance Tasks; Draining And Cleaning; Dismantling - Wilo Yonos GIGA-N 80 Installation And Operating Instructions Manual

10.3

Maintenance tasks

10.4

Draining and cleaning

10.5

Dismantling

Installation and operating instructions Wilo-Yonos GIGA-N
Maintenance/repair
The bearing bracket of the pump is equipped with rolling bearings which have lifetime
lubrication.
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The rolling bearings of the motors are to be maintained according to the installation
and operating instructions of the motor manufacturer.
ƒ
Check the air supply to the motor housing at regular intervals. Dirt impairs the cool-
ing of the motor and electronic module. If necessary, remove dirt and restore unres-
tricted air supply.
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 carrying out any work, disconnect the unit from the power supply and
secure it against accidental 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.
• Never poke around in the electronic module or motor openings or insert any-
thing into them.
• Never operate the pump without the electronic module being installed.
• Reinstall any uninstalled safety devices, such as module or coupling covers,
once the work is complete.
Maintenance and repair work require the pump to be partially or completely dismantled.
The pump housing can be installed in the piping.
1. Switch off the energy supply to the pump and secure against accidental switch-on.
2. Close all valves in the suction line and pressure pipe.
3. Drain the pump by opening the drainage screw and the venting device.
4. Ensure system is voltage-free.
5. Earth the work area and short-circuit.
6. Disconnect the mains cable. If present, remove the cable for the differential pres-
sure sensor.
7. If required, remove additional cables (sensors, signals etc.).
8. Remove coupling guard.
9. If present: Remove the intermediate sleeve of the coupling.
10.Remove the fastening screws of the motor from the baseplate.
NOTICE
Observe the section drawing in the section "Spare parts".
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