Xylem Flygt 3069 - Service in Case of Alarm; Replace the D-Impeller

Service item Action
Support and main bearing Replace the bearings with new bearings.
Mechanical seal Replace with new seal units.
6.5.3 Service in case of alarm
For information about indication values for sensors, see Sensors connection on page 33.
Alarm source Action
FLS 1. Check for liquid in the stator housing.
2. Drain all liquid, if any.
3. Check the mechanical seal unit, the O-rings, and the cable entry,
if liquid was found.
Thermal contact Check the start and stop levels.
The overload protection Check that the impeller can rotate freely.
6.6 Replace the D-impeller
1
2
3
4
5
WS009609A
1. Screws
2. Suction cover
3. Impeller screw
4. Impeller
5. Sleeve
Figure 9: Standard variant
6 Maintenance
44 Flygt 3069 Installation, Operation, and Maintenance Manual
EN