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WILO SE 2021-01
▶ Pump interior is cleaned and cover plate has been reat-
tached. Complete the cleaning work.
9
Maintenance
ƒ
Wear protective equipment!
ƒ
Only perform the maintenance work described in these
installation and operating instructions.
ƒ
Carry out maintenance work in a clean, dry and well-lit
location.
ƒ
Use only original parts obtained from the manufacturer.
The use of any non-original parts releases the manufac-
turer from any liability.
ƒ
Collect any leakage of fluid and operating fluid immedi-
ately.
ƒ
Dispose of the operating fluid at certified collection
points.
9.1
Operating fluid
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Capacity: 220 ml (7.4 US.fl.oz)
ƒ
Interval for oil change: After 720 operating hours or 1x per
year
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Oil types (ISO VG class 32):
–
ELFOLNA DS 22
–
Shell Turbo T 32
9.2
Oil change
1
Fig. 3:
Sealing chamber oil change
1
Sealing chamber screw plug
‡
Wear protective gloves!
‡
Pump is removed, cleaned and if necessary disinfected.
‡
Oil-resistant sealable collector tank is accessible.
1. Position the pump horizontally on a firm surface. The
screw plug should be on top.
WARNING! Risk of hands
being crushed. Make sure that the pump cannot fall
over or slip!
2. Unscrew the screw plug slowly.
3. Place a collector tank underneath the pump.
