9.3.3
Filling quantities
9.4
Maintenance intervals
9.4.1
Maintenance intervals for normal
conditions
9.4.2
Maintenance intervals under harsh
conditions
9.5
Maintenance measures
Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40
Maintenance and repair
ƒ
OPTI-TR 20-1: 0.35 l (12 US.fl.oz.)
ƒ
OPTI-TR 22: 1.30 l (44 US.fl.oz.)
ƒ
OPTI-TR 28-1: 0.35 l (12 US.fl.oz.)
ƒ
OPTI-TR 30-1: 1.10 l (37 US.fl.oz.)
ƒ
OPTI-TR 40-1: 1.10 l (37 US.fl.oz.)
ƒ
EXCEL-TRE 20: 0.35 l (12 US.fl.oz.)
ƒ
EXCEL-TRE 30: 1.10 l (37 US.fl.oz.)
ƒ
EXCEL-TRE 40: 1.10 l (37 US.fl.oz.)
Stated filling quantities apply to installation types described. Refer to the enclosed data
sheet for the filling quantities required for deviating installation types.
ƒ
Regularly carry out maintenance tasks.
ƒ
Contractually adjust maintenance intervals depending on the actual environmental con-
ditions. Contact customer service.
ƒ
If strong vibrations occur during operation, check the installation.
8000 operating hours or after 2 years
ƒ
Visual inspection of the connection cables
ƒ
Visual inspection of the cable brackets and cable tensioning
ƒ
Visual inspection of the mixer
ƒ
Visual inspection of accessories
ƒ
Function test of monitoring devices
ƒ
Oil change
40000 operating hours or after 10 years
ƒ
Complete overhaul
Under the following operating conditions, shorten the specified maintenance intervals in
consultation with the customer service:
ƒ
Fluids with long-fiber components
ƒ
Highly corrosive or abrasive fluid
ƒ
Strongly gassing fluids
ƒ
Operation at an unfavourable duty point
ƒ
Unfavorable flow conditions (e.g. due to fixtures or aeration)
If there are harsh operating conditions, it is recommended to conclude a maintenance con-
tract.
WARNING
Risk of injury from sharp edges!
Sharp edges can form on the propeller blades. There is a danger of cutting injuries!
• Wear protective gloves!
Before starting maintenance work, meet the following requirements:
ƒ
Wear protective equipment! Observe the work regulations.
–
Safety shoes: Protection class S1 (uvex 1 sport S1)
–
Protective gloves: 4X42C (uvex C500)
–
Safety goggles: uvex skyguard NT
For detailed marking of frame and disc, see the section on "Personal protective equip-
ment [} 8]".
ƒ
The mixer has been thoroughly cleaned and disinfected.
ƒ
Motor cooled to ambient temperature.
ƒ
Workplace:
–
Clean, good lighting and ventilation.
–
Firm and stable work surface.
–
Secured against falling over and slipping.
en-US
35