Maintenance And Repair; Personnel Qualifications; Operator Responsibilities; Operating Fluid - Wilo Rexa CUT GI Notice De Montage Et De Mise En Service

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A disinfectant is provided for contaminated pumps.
1. Attach the lifting equipment to the attachment point of
the pump.
2. Lift the pump approximately 30 cm (10 in) above the
ground.
3. Spray the pump with clear water from top to bottom.
NOTICE! An appropriate disinfectant must be used for
contaminated pumps! Strictly observe the manufac-
turer's specifications concerning use!
4. To clean the impeller and the pump interior, guide the
water jet inside via the pressure port.
5. Flush all dirt residue onto the floor of the channel.
6. Allow the pump to dry out.
9

Maintenance and repair

DANGER
Danger due to fluids hazardous to health!
If the pump is used in fluids hazardous to health, de-
contaminate the pump after dismantling and before
carrying out any other work! There is a risk of fatal in-
jury! Observe the specifications in the work regula-
tions! The operator must make sure that the person-
nel have received and read the work regulations!
NOTICE
Use only properly functioning lifting equip-
ment!
Use only properly functioning lifting equipment to lift
and lower the pump. Ensure that the pump does not
become jammed during lifting and lowering. Do not
exceed the maximum bearing capacity of the lifting
equipment! Check that lifting equipment is function-
ing properly before use!
▪ Always carry out maintenance tasks in a clean location
with good lighting. It must be possible to position the
pump safely and secure it.
▪ Only carry out maintenance tasks mentioned in these in-
stallation and operating instructions.
▪ Wear the following protective equipment while perform-
ing maintenance tasks:
– Safety goggles
– Safety shoes
– Safety gloves
108
Maintenance and repair
9.1

Personnel qualifications

▪ Electrical work: A qualified electrician must carry out the
electrical work.
▪ Maintenance tasks: The technician must be familiar with
the use of operating fluids and their disposal. In addition,
the technician must have basic knowledge of mechanical
engineering.
9.2

Operator responsibilities

▪ Provide the necessary protective equipment and make
sure that the personnel wears it.
▪ Collect operating fluids in suitable tanks and dispose of
properly.
▪ Dispose of protective clothing used in accordance with
regulations.
▪ Use only original parts of the manufacturer. Use of parts
other than the original parts releases the manufacturer
from any liability.
▪ Collect any leakage of fluid and operating fluid immedi-
ately and dispose of it according to the locally applicable
guidelines.
▪ Provide the tools required.
▪ If flammable solvents and cleaning agents are used, open
flames, naked lights and smoking are prohibited.
9.3

Operating fluid

9.3.1 Oil types
Medicinal white oil is filled into the sealing chamber ex-
factory. The following oil types are recommended when
changing the oil:
▪ Aral Autin PL*
▪ Shell ONDINA 919
▪ Esso MARCOL 52* or 82*
▪ BP WHITEMORE WOM 14*
▪ Texaco Pharmaceutical 30* or 40*
All oil types marked with "*" are approved for use with
foods in accordance with "USDA-H1".
9.3.2 Filling quantities
The filling quantity is 900 ml (30 US.fl.oz).
9.4

Maintenance intervals

To ensure reliable operation, maintenance tasks must be
carried out regularly. Depending on the real ambient
temperatures, maintenance intervals different from
those mentioned in the contract can be defined! If
strong vibrations occur during operation, the pump and
the installation must be checked regardless of the
defined maintenance intervals.
WILO SE 2019-02