Maintenance and repair
en
Installation and operating instructions Wilo-Padus PRO
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the maximum bearing capacity of the lifting equipment! Check that lifting equip-
ment is functioning properly before use!
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Always carry out maintenance tasks in a clean location with good lighting. It must be
possible to position the pump safely and secure it.
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Only carry out maintenance tasks mentioned in these installation and operating in-
structions.
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Wear the following protective equipment while performing maintenance tasks:
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Safety goggles
–
Safety shoes
–
Safety gloves
9.1
Personnel qualifications
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Electrical work: A qualified electrician must carry out the electrical work.
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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 mech-
anical engineering.
9.2
Operator responsibilities
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Provide the necessary protective equipment and make sure that the personnel wears
it.
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Collect operating fluids in suitable tanks and dispose of properly.
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Dispose of protective clothing used in accordance with regulations.
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Use only original parts of the manufacturer. Use of parts other than the original parts
releases the manufacturer from any liability.
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Collect any leakage of fluid and operating fluid immediately and dispose of it ac-
cording to the locally applicable guidelines.
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Provide the tools required.
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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:
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Aral Autin PL*
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Shell ONDINA 919
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Esso MARCOL 52* or 82*
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BP WHITEMORE WOM 14*
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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 volumes are:
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Padus PRO M05: 800 ml (27 US.fl.oz)
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Padus PRO M08: 1250 ml (42 US.fl.oz)
9.4
Maintenance intervals
To ensure reliable operation, maintenance tasks must be carried out regularly. Depend-
ing on the real ambient temperatures, maintenance intervals different from those men-
tioned 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 in-
tervals.
9.4.1
Maintenance intervals for normal
conditions
4000 operating hours
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Visual inspection of the connection cables
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Visual inspection of accessories
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Visual inspection of the housings for wear
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Function test of monitoring devices
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Oil change
15000 operating hours
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Complete overhaul
9.4.2
Maintenance intervals for harsh
conditions
Under harsh operating conditions, specified maintenance intervals must be shortened if
required. Harsh operating conditions include:
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Fluids with long-fibre components
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Turbulent inlet (e.g. due to air intake, cavitation)
