en Maintenance and repair
34 WILO SE 2017-12
ing and lowering. Do not exceed the max. permissible bearing capacity of the lifting
equipment!
▪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 installation and operating in-
structions.
▪Wear the following protective equipment while performing maintenance tasks:
– Safety goggles
– Safety shoes
– Safety gloves
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 en-
gineering.
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 immediately 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
Biological white oil is filled-in into the sealing chamber. The following oil types are re-
commended 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 ▪Single-channel hydraulics (PRO C...)
– P 13.1... motor: 1100ml (37US.fl.oz.)
– P 13.2... motor: 1100ml (37US.fl.oz.)
– P 17.1... motor: 1800ml (61US.fl.oz.)
▪Vortex hydraulics (PRO V...)
– P 13.1... motor: 900ml (30US.fl.oz.)
– P 13.2... motor: 1500ml (51US.fl.oz.)
– P 17.1... motor: 1800ml (61US.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
2years
▪Visual inspection of the power supply cable
▪Visual inspection of accessories
▪Visual inspection of the coating and housing for wear
▪Function test of monitoring devices
▪Oil change
NOTICE!If sealing chamber control is installed, the oil is changed according to the
indicator!
10years or 15000operating hours
▪General overhaul