FLYGT Flygt 3069, Installation, Operation And Maintenance Manual

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Measure for every wing on the cutting wheel. The distance must be less than
0.25 mm (0.010 in) for at least one of the wings.
e) When the clearance is correct, tighten the set screw.
Tightening torque: 55 Nm (41 ft-lb).
WS009643A
6.8 Replace the N-impeller
CAUTION: Cutting Hazard
Worn parts can have sharp edges. Wear protective clothing.
NOTICE:
When laying the pump on its side, do not allow the weight of the pump to rest on any
portion of the impeller. The impeller must not be allowed to make contact with the
concrete floor or other hard and rough surfaces.
WS009500B
1 2
4
5
3
1. Impeller screw
2. Screws
3. Suction cover
4. Impeller
5. Sleeve
6.8.1 Remove the N-impeller
1. Loosen the impeller screw.
Prevent the impeller from rotating. Insert a screwdriver or similar through the pump
housing outlet.
6 Maintenance
Flygt 3069 Installation, Operation, and Maintenance Manual 49