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5 Maintenance Read the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. : Relates to the shaft seal. 5.3 Dismantling of pump/shaft seals Step 1 1. A. LKH-5: Remove screws (56), spring washers (56a), clamps (55+55a) and pump casing (29). B. LKH-10 to 90: Unscrew cap nuts (24) and remove washers (24a) and pump casing (29). LKH-85 and LKH-90 Step 2 Flushed / Double mechanical shaft seal: Unscrew tubes (42) using a spanner. 21
