en Installation and electrical connection
20 WILO SE 2019-01
Set down pump
Fig.7: Unload pump: set down
‡ The pump is aligned vertically (plumb).
‡ Lifting gear removed at the hydraulics.
1. Lower the pump slowly and set it down carefully.
CAUTION!If the pump is set down too quickly, the hydraulics housing on the
suction port can be damaged. Set the pump down slowly on the suction port!
NOTICE!If the pump cannot be placed level on the suction port, use appropriate
adjustment plates.
▶ The pump is ready for installation.
WARNING!If the pump is placed in temporary storage and the lifting equipment dis-
mantled, secure the pump against falling over and slipping!
6.4.3 Maintenance tasks
After a storage period of more than 6months, carry out the following maintenance
tasks before installation:
ƒ Rotate the impeller.
ƒ Check the coolant.
ƒ Check the oil in the sealing chamber (FKT 63.2 only).
6.4.3.1 Rotate impeller
WARNING
Sharp edges on the impeller and suction port!
Sharp edges can form on the impeller and suction port. There is danger of limbs be-
ing severed! Protective gloves must be worn to protect from cuts.
‡ Pump is not connected to the mains!
‡ Protective equipment has been put on!
1. Place the pump upright on a firm surface. WARNING!Risk of hands being crushed.
Ensure that the pump cannot fall over or slip away!
2. Carefully and slowly reach into the hydraulics housing through the pressure port
and rotate the impeller.