Maintenance and repair
en
Installation and operating instructions Wilo-EMU TR/TRE 212 ... 326-3
33
9
Maintenance and repair
DANGER
Danger due to fluids which are hazardous to health!
Decontaminate the mixer after removal and before carrying out any other work.
There is a risk of fatal injury. Observe the specifications in the work regulations. The
operator must ensure that the personnel have received and read the work regula-
tions.
NOTICE
Use only properly functioning lifting equipment!
Use only properly functioning lifting equipment to lift and lower the mixer. Ensure
that the mixer does not become jammed during lifting and lowering. Do
not
exceed
the maximum bearing capacity of the lifting equipment! Check that lifting equip-
ment is functioning properly before use!
ƒ
Carry out maintenance tasks in a clean location with good lighting and ventilation.
Set the mixer down horizontally on a firm surface and secure it against tipping over /
slipping away.
NOTICE! Do not set the mixer down on the propeller!
ƒ
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:
–
Safety goggles
–
Safety shoes
–
Safety gloves
9.1
Personnel qualifications
ƒ
Electrical work: qualified electrician
Person with appropriate technical training, knowledge and experience who can
identify and prevent electrical hazards.
ƒ
Maintenance work: trained sewage technology professional
Application/disposal of operating fluids used, basic engineering knowledge (installa-
tion/dismantling)
9.2
Operator responsibilities
ƒ
Provide the necessary protective equipment and make sure that the personnel wears
it.
ƒ
Collect operating fluids in suitable tanks and dispose of properly.
ƒ
Dispose of protective clothing used in accordance with regulations.
ƒ
Use only original parts of the manufacturer. The use of any non-original parts re-
leases the manufacturer from any liability.
ƒ
Collect any leakage of fluid and operating fluid immediately and dispose of it ac-
cording to the locally applicable guidelines.
ƒ
Provide the tools required.
ƒ
If flammable solvents and cleaning agents are used, fire, naked flames and smoking
are prohibited.
ƒ
Document maintenance tasks in the system’s inspection list.
9.3
Operating fluid
9.3.1
Oil types
White oil
ƒ
ExxonMobile: Marcol 52
ƒ
ExxonMobile: Marcol 82
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Total: Finavestan A 80 B (NSF-H1 certified)
CLP gear oil (ISO VG 220)
ƒ
Aral: Degol BG 220
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BP: Energol Gr-XP 220
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Shell: Omala S2 GX 220
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Tripol: FoodProof 1810/220 (USDA-H1 approved)
9.3.2
Grease
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Esso: Unirex N3
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Tripol: Molub-Alloy-Food Proof 823 FM (USDA-H1 approved)
9.3.3
Filling quantities
ƒ
Pre-chamber: 1.00 l (34 US.fl.oz.)
