8.5 Replace the 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.
1. Pump housing
2. Impeller
3. Impeller screw
4. Washer
5. Clamping sleeve
6. Washers
Washers are not used for all configurations.
7. Screws
8.5.1 Remove the impeller
1. Remove the pump housing.
2. Remove the impeller:
a) Loosen the impeller screw.
b) Remove the impeller.
Use the impeller screw to push the impeller.
c) Remove the impeller screw, the washer, and the sleeve.
8.5.2 Install the impeller
1. Before installation of the impeller, push the sleeve to check that it moves freely up and
down.
When the sleeve is released, it must be fully pushed out again. If the sleeve does not
move freely, or does not come fully out, then replace the impeller unit.
8 Maintenance
Concertor
™
6020 Installation, Operation, and Maintenance Manual 41
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