en
▪ Only carry out maintenance tasks mentioned in this in-
stallation and operating instructions.
▪ Wear the following protective equipment while per-
forming maintenance tasks:
– Safety goggles
– Safety shoes
– Safety gloves
9.1
Personnel qualifications
▪ Electrical work: Electrical work must be carried out by a
qualified electrician (in accordance with EN 50110-1).
▪ 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 disposed
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 manu-
facturer from any liability.
▪ Collect any leakage of fluid and operating fluid immedi-
ately and dispose of it according to the locally applic-
able 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
Biological white oil is filled-in into the sealing chamber.
The following oil types are recommended when chan-
ging 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 quantities depend on the pump type:
▪ Rocsan neo V05...: 600 ml
▪ Rocsan neo V06...: 1000 ml
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
50
Maintenance and repair
strong vibrations occur during operation, the pump and
the installation must be checked regardless of the
defined maintenance intervals.
9.4.1
Maintenance intervals for normal conditions
5 years or 1500 operating hours
▪ Visual inspection of the power supply cable
▪ Visual inspection of accessories
▪ Visual inspection of the housing for wear
▪ Function test of monitoring devices
▪ Oil change
9.4.2
Maintenance intervals for use in sewage lifting units
When the pump is used in sewage lifting units inside
buildings or on plots of land, carry out maintenance in-
tervals and measures in accordance with
DIN EN 12056‑4!
9.4.3
Maintenance intervals for harsh conditions
Under harsh operating conditions, specified mainten-
ance intervals must be shortened if required. Harsh op-
erating conditions include:
▪ Fluids with long-fibre components
▪ Turbulent inlet (e.g. due to air intake, cavitation)
▪ Strongly corroding or abrasive fluids
▪ Heavily gas generating fluids
▪ Operation at an unfavourable duty point
▪ Pressure surges
When using pumps under hard conditions, it is recom-
mended to sign a maintenance contract. Contact cus-
tomer service.
9.5
Maintenance measures
WARNING
Sharp edges on the impeller and suction port
Sharp edges can form on the impeller and suction
port. There is danger of limbs being cut-off! Pro-
tective gloves must be worn to protect from cuts.
WARNING
Hand, foot or eye injuries due to lack of pro-
tective equipment!
Danger of (serious) injuries during work. Wear the
following protective equipment:
• Safety gloves against cuts
• Safety shoes
• Closed safety goggles
The following pre-requisites must be fulfilled prior to
starting maintenance measures:
▪ Pump cooled down to the ambient temperature.
▪ Pump cleaned thoroughly and disinfected (if required).
Wilo Salmson France SAS 1703