Xylem Flygt 3201, Installation Operation & Maintenance, Page: 12 / 48

Lifting equipment
The lifting equipment must fulfill the following requirements:
• The minimum height between the lifting hook and the floor must be sufficient to lift the
unit out of the sump. Contact Xylem for information.
• The lifting equipment must be able to hoist the unit straight up and down in the sump,
preferably without the need for resetting the lifting hook.
• The lifting equipment must be securely anchored and in good condition.
• The lifting equipment must support the entire assembly and must only be used by
authorized personnel.
• Two sets of lifting equipment must be used to lift the unit for repair work.
• The lifting equipment must be dimensioned to lift the unit with any remaining pumped
media (liquid) in it.
• The lifting equipment must not be oversized.
NOTICE:
Oversized lifting equipment could cause damage if the unit should stick when being
lifted.
Store the unit
1. After raising the unit, allow it to run for a short time to discharge all remaining pumped
media (liquid).
The unit is frost-proof while operating or immersed in liquid, but the impeller and the
shaft seal may freeze if the unit is raised in a temperature below freezing.
2. Store the unit in a covered and dry location free from heat, dirt, and vibrations.
3. If the unit is stored more than 6 months, rotate the shaft every other month to prevent
the seals from sticking together.
4. Before operating the unit after storage:
If... Then…
the unit has been stored more than 6
months
inspect the unit with special attention to the seals and the cable entry.
the impeller is frozen thaw the impeller by immersing the unit in liquid.
NOTICE:
Never use a naked flame to thaw the unit.
Transportation and Storage
10 Flygt 3201 Installation, Operation, and Maintenance Manual