Check that the impeller can rotate freely.
6.4.3 Replace the M-impeller
Figure 18: M-impeller
6.4.3.1 Remove the M-impeller
CAUTION: Cutting Hazard
Worn parts can have sharp edges. Wear protective clothing.
1. Remove the pump housing.
2. Remove the impeller screw and outer sleeve.
If applicable, use the rod.
3. Refit the impeller screw.
6 Maintenance
54 Flygt 3085 Installation, Operation, and Maintenance Manual