en
Shut-down/dismantling
24
WILO SE 2020-05
8.3.3
Overflow of the lifting unit (acci-
dent)
DANGER
Danger due to fluids hazardous to health!
In the event of an accident, there is contact with the collected sewage. Observe the
following points:
• Wear protective equipment:
⇒ single-use body suit
⇒ sealed safety goggles
⇒ mouth protection
• Accessories used (e.g. diaphragm hand pump, hoses) must be thoroughly
cleaned and disinfected after completing work.
• Disinfect the lifting unit and operating space.
• Flush rinsing water into the sewer system.
• Dispose of protective clothing and cleaning material in accordance with local
regulations.
• Observe the specifications in the work regulations! The operator must make
sure that personnel have received and read the work regulations!
NOTICE
Operation of the lifting unit in the event of high water
The switchgear is not overflow-proof. To ensure operation of the lifting unit even in
the event of high water, install the electrical connections and the switchgear at a
suitably high level!
9
Shut-down/dismantling
9.1
Personnel qualifications
ƒ
Operation/control: Operating personnel, trained in the functioning of the complete
system
ƒ
Installation/dismantling work: trained specialist in plant technology for sanitary fa-
cilities
Fixation and buoyancy safeguards, connection of plastic pipes
ƒ
Electrical work: qualified electrician
Person with appropriate technical training, knowledge and experience who can
identify and prevent electrical hazards.
9.2
Operator responsibilities
ƒ
Observe locally applicable accident prevention and safety regulations of trade asso-
ciations.
ƒ
Provide the necessary protective equipment and make sure that the personnel wears
it.
ƒ
Ensure enclosed spaces have sufficient ventilation.
ƒ
Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
ƒ
When working in chambers and closed spaces, a second person must be present for
safety reasons.
ƒ
When using lifting equipment, all regulations for working with and under suspended
loads must be observed!
9.3
Shut-down
1. Close the gate valve in the inlet pipe.
2. Switch the switchgear to standby mode.
3. Drain the collection reservoir.
Activate the lifting unit in manual mode and drain the collection reservoir.
4. Close the gate valve in the pressure pipe.
5. Switch off the lifting unit.
Pull the plug out of the socket.
CAUTION! Secure the lifting unit against unau-
thorised reactivation!
▶ The lifting unit is now out of operation.
