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9
Maintenance and repair
9.1
Personnel qualifications
9.2
Operator's obligations
9.3
Labelling of the screw plugs
9.4
Operating fluids
9.4.1
Oil types
44
Maintenance and repair
DANGER
Danger due to fluids which are hazardous to health!
When the pump is used in fluids which are hazardous to health, decontaminate the pump
after removal and before all work! There is a risk of fatal injury! Observe information from
the work regulations! The operator must ensure that the personnel have received and
read the work regulations!
NOTICE
Use only technically faultless lifting equipment!
Use only technically faultless lifting equipment to lift and lower the pump. Make sure
that the pump does not jam during lifting and lowering. Do not exceed the maximum
bearing capacity of the lifting equipment! Check that lifting equipment is functioning
properly before use!
▪ Always carry out maintenance work in a clean place with good lighting. The pump must be
safely set down and secured.
▪ Only perform maintenance work which is described in these 'Installation and operating in-
structions'.
▪ During maintenance work wear the following protective equipment:
– Safety goggles
– Safety shoes
– Safety gloves
▪ Electrical work: A qualified electrician must carry out the electrical work.
▪ Maintenance work: The technician must be familiar with the use of operating fluids and their
disposal. Furthermore, the technician must have basic knowledge of engineering.
▪ Make available the required protective equipment and ensure that the personnel wear the
protective equipment.
▪ Collect operating fluid in suitable tanks and dispose of properly.
▪ Properly dispose of used protective clothing.
▪ Use only genuine parts from the manufacturer. The use of parts other than original parts ab-
solves the manufacturer of any liability.
▪ Immediately clean up leakage from the fluid and operating fluid and dispose of according to
the locally applicable guidelines.
▪ Make available required tools.
▪ If flammable solvents and cleaning agents are used, naked flames and smoking are prohib-
ited.
Motor compartment screw plugs
M
Sealing chamber screw plugs
D
Cooling system screw plugs
K
Leakage chamber screw plugs
L
Condensation water chamber screw plug
S
Grease nipple screw plug
F
Medicinal white oil is filled into the sealing chamber ex-factory. When changing the oil, the
following oil types are recommended:
▪ Aral Autin PL*
▪ Shell ONDINA 919
▪ Esso MARCOL 52* or 82*
WILO SE 2019-01
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