Disposal; Protective Clothing; Maintenance - Wilo SUB TWU 3 Notice De Montage Et De Mise En Service

English
Once this work has been completed, the unit can
be installed and connected to the electricity sup-
ply by an electrician. This work must be carried
out in accordance with the "Installation" section.
The unit must be switched on as described in the
"Start-up" section.
The unit may only be restarted if it is in perfect
condition and ready for operation.

7.4. Disposal

7.4.1. Lubricants
Oils and lubricants must be collected in appropri-
ate containers and properly disposed of in terms
of EC Directive 75/439/EEC as well as in compli-
ance with the provisions of sections 5a and 5b
of the German Waste Act or the applicable local
laws.
Mixtures of water and glycol are classified as a
class 1 water hazard in terms of the German Wa-
ter Hazard Regulations (VwVwS) of 1999. The re-
quirements of DIN 52 900 (in respect of propane-
diol and propylene glycol) or the applicable local
regulations must be observed in the disposal.

7.4.2. Protective clothing

Protective clothing worn for cleaning and main-
tenance work is to be disposed of in accordance
with the German Waste Code TA 524 02 and
EC Directive 91/689/EEC.
7.4.3. Product
Proper disposal of this product avoids damage
to the environment and risks to personal health.
• Make use of the services or the advice of public or
private waste disposal companies for the disposal
of the product or parts of it.
• More information about proper disposal can be
obtained from the urban administration, the
waste disposal authorities or from the supplier
from whom the product was purchased.

8. Maintenance

Before performing maintenance or repair work,
switch off and dismount the pump as described
in the "Final shutdown/disposal" section.
After completing maintenance or repair work, the
pump must be installed and connected accord-
ing to the "Installation" section. The pump must
be switched on as described in the "Start-up"
section.
Maintenance or repair work must be carried out
by an authorized service center, Wilo customer
service or a qualified specialist.
Maintenance or repair work and/or construc-
tional changes that are not listed in this operat-
ing and maintenance manual may only be car-
ried out by the manufacturer or by authorized
service centers.
46
ELECTRoCUTioN hazard!
There is a risk of fatal electric shocks when
performing work on electrical devices. With
all maintenance or repair work, the unit must
be disconnected from the mains and secured
against being switched on again without
permission. Damage to the power supply cable
may only be rectified by a qualified electrician.
Note the following information:
• This manual must be available to the maintenance
personnel and its instructions must be followed.
Only the repair and maintenance measures listed
here may be performed.
• All maintenance, inspection and cleaning work
on the unit may only be carried out by trained
specialists exercising extreme care in a safe
workplace. Proper protective clothing is to be
worn. The machine must be disconnected from
the electrical system and secured against being
switched on again. It must be prevented from
being switched on inadvertently.
• When carrying out work in basins or containers,
the local protection measures must be observed
in all cases. A second person must be present for
safety reasons.
• Only hoisting gear that is in a technically perfect
condition and load-carrying equipment that has
been officially approved may be used for lowering
and raising the pump.
Make sure that all fastening devices, ropes
and safety devices of the hoisting gear are in
a technically perfect condition. Work may only
commence if the hoisting gear is in perfect
working order. if it is not inspected, fatal
injuries may result.
• Electrical work on the pump and system must
be carried out by an electrician. Defective fuses
must be replaced. Never attempt to repair them.
Only fuses at the specified current and of the
prescribed type may be used.
• When working with flammable solvents and
cleaning agents, fires, naked lights and smoking
are prohibited.
• Units that circulate fluids hazardous to health,
or that come into contact with these fluids, must
be decontaminated. It must be ensured that no
dangerous gases can form or are present.
if injuries involving hazardous pumping liquids
or gases occur, perform first aid in accordance
with the notices in the workplace and call
a doctor immediately.
• Ensure that all necessary tools and materials are
available. Tidiness and cleanliness guarantee safe
and problem-free operation of the pump. After
working on the unit, all cleaning materials and
tools should be removed from it. All materials and
tools should be stored in an appropriate place.
• Lubricants, such as oil and grease, must be col-
lected in suitable vessels and disposed of properly
(in accordance with the 75/439/EEC directive
WILO SE 12/2012 Ed.03 DIN A4
MAINTENANCE