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6 Maintenance <br />2. Remove the impeller screw. <br />If applicable, use the rod. <br />3. Remove the washer. <br />4. Remove the impeller. <br />Use the impeller puller or the crowbars. <br />5. Remove the conical sleeve. <br />6.5.1.2 Install the impeller: C, D <br />1. Prepare the shaft: <br />48 Flygt 3102 Installation, Operation, and Maintenance Manual <br />