Maintenance Intervals - Wilo Drain MTC 32F Serie Einbau- Und Betriebsanleitung

MAINTENANCE
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 per-
mission. Damage to the power supply cable
may only be rectified by a qualified electri-
cian.
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 machine and the system 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 product.
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 has been
checked and found to be in perfect working
order. If it is not inspected, fatal injuries may
result.
• Electrical work on the product 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.
• Products 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 trouble free operation of the product. 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.
Installation and operating instructions Wilo-Drain MTC 32
• Lubricants, such as oil and grease, must be
collected in suitable vessels and disposed of
properly (in accordance with the 75/439/EEC
directive and with §§ 5a, 5b AbfG). Appropriate
protective clothing must be worn for cleaning
and maintenance jobs. This is to be disposed of
in accordance with waste code TA 524 02 and EC
Directive 91/689/EEC. Only lubricants expressly
recommended by the manufacturer may be used.
Oils and lubricants should not be mixed.
• Only use genuine parts made by the manufac-
turer.
8.1. Lubricants
8.1.1. Overview of white oils
The oil separation chamber is filled with a white
oil that is potentially biodegradable.
We recommend the following oil types for an oil
change:
• Aral Autin PL
• Shell ONDINA G13, G15 or G17
• Esso MARCOL 52 or 82
• BP Energol WM2
• Texaco Pharmaceutical 30 or 40
All these oil types are have food safety certifica-
tion in accordance with "USDA-H1".
Filling quantities
The filling quantities depend on the type:
• MTC 32F17...: 550 ml
• MTC 32F22...: 550 ml
• MTC 32F26...: 550 ml
• MTC 32F33...: 500 ml
• MTC 32F39...: 520 ml
• MTC 32F49...: 2600 ml
• MTC 32F55...: 2600 ml
8.1.2. Overview of greases
The following can be used as grease in accor-
dance with DIN 51818/NLGI class 3:
• Esso Unirex N3
• SKF GJN
• NSK EA5, EA6
• Tripol Molub-Alloy-Food Proof 823 FM (food
safety certification according to USDA-H1)

8.2. Maintenance intervals

Overview of the maintenance intervals needed:
When the equipment is used in waste water
pump stations inside buildings or on properties,
the maintenance intervals and work shown in
DIN EN 12056-4 must be adhered to.
Otherwise the following maintenance intervals
apply.
8.2.1. Before initial start-up or after a longer period
of storage
• Check the insulation resistance
• Turn the impeller
• Check the oil level in the oil separation chamber
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