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6.4.1
Maintenance work
6.4.1.1
Rotating the propeller
20
Installation and electrical connection
NOTICE
Use only technically faultless lifting equipment!
Use only technically faultless lifting equipment to lift and lower the mixer. Make sure that
the mixer 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!
ƒ
Prepare installation site:
–
Clean, free of coarse solids
–
Dry
–
Frost-free
–
Disinfected
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Work must always be carried out by two persons.
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Demarcate the working area.
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Unauthorized persons must be kept away from the working area.
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From a working height of more than 1 m (3 ft) above the ground, use scaffolding with a
safety harness.
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Toxic or suffocating gases may build up during work. Ensure sufficient ventilation. Ob-
serve protective measures according to work regulations (gas measurement, carry gas
warning device with you).
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Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
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Install lifting equipment: even surface, clean, firm bearing surface. Storage location and
installation site must be easily accessible.
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Attach chain or wire rope to handle/attachment point with a shackle. Only use techni-
cally-approved lifting gear.
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Do not stand in swivel range of hoist.
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Install all connection cables properly. No risk (tripping hazard, damage during operation)
must be posed by the connection cables. Check whether the cable cross-section and the
cable length are sufficient for the selected installation type.
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Observe minimum clearances to walls and any fixtures.
After a storage period of more than 6 months, carry out the following maintenance tasks
before installation:
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Rotate the propeller.
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Oil change in sealing, gear and pre-chamber.
WARNING
The propeller blade has sharp edges!
Sharp edges can form on the propeller blades. There is a risk of limbs being severed. Wear
safety gloves to protect against cuts.
‡
Mixer is not connected to the power supply!
‡
Protective equipment has been put on!
1. Place the mixer horizontally on a firm surface.
WARNING! Danger of crushing hands. Make sure that the mixer cannot fall over or
slip away!
CAUTION! Do not set the mixer down on the propeller! Use an appropriate pedestal
for the propeller diameter.
2. Grip the propeller slowly and carefully and rotate the propeller.
WILO SE 2021-05
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