Installing the Impeller Assembly

2025/08/11

Parts check

  1. Make sure the Wear Ring is welded to the Impeller (IPQC 1)
  2. Make sure the Wear Ring is clean and not damaged (IPQC 2, IPQC 3)
  3. Make sure the Bearing is clean and not damaged

Installing the Impeller Assembly

Instructions:

  • Step 1 - Check the Impeller specification (IPQC 4)
  • Step 2 - Place the Front Casing Assembly on a clean work surface
  • Step 3 - Spray water onto the Pump Shaft
  • Step 4 - Align the Pump Shaft and the Bearing and gently slide the Impeller Assembly (IPQC 5)
  • Step 5 - Spin the Impeller Assembly. It should rotate smoothly
  • Step 6 - Use a piece of tape to remove any metal debris that may be stuck to the surface of the magnet capsule

In-Process Quality Check (IPQC)

  • The weld material should not be higher than the Wear Ring surface
  • The Wear Ring surface should not be cracked or chipped.
  • The Wear Ring surface should be polished and free of debris
  • Use a pair of vernier calipers to check the impeller diameter
  • The Impeller Assembly should slide smoothly onto the Pump Shaft