1. Securing Methods

2. Content 1.Axial Anti-Rotating Screw (Press-On) 2.Axial Anti-Rotating Screw (Press-In) 3.Radial Anti-Rotating Screw

3. In addition to using an interference fit, radial dowel pins or axial set screws may be used to secure W components to their holders. To prevent any loose fit during unforeseen circumstances. Securing Methods

4. Radial Dowel Pins Not recommended on impeller wear rings unless specified by a customer. RadialAxial

5. 1. Axial Anti-Rotating Screw (Press-On Applications)

6. Drill and tap impeller skirt, counter sink for restraining screws 1. Axial Anti-Rotating Screw (Press-On Applications)

7. Drill and tap steel impeller or case wear ring holder, counter bore or counter sink the component for head screw or set screw and washer Axial Anti-Rotating Screw (Press-On Applications)

8. 2. Axial Anti-Rotating Screw (Press-In Applications)

9. Set screws crimped with key hole punch to prevent backing out 2. Axial Anti-Rotating Screw (Press-In Applications)

10. Axial Anti-Rotating Screw (Press-In & Press-On Applications) Example of metal to metal securing method using 50% of Screw on each material.

11. 1.For case wear rings and bushings, dowel pins should come through the holder and penetrate into the W material enough to help secure it in place (normally a minimum distance of 0.050” [1.27mm] into the W material). 2.Care should be taken to ensure that a dowel pin never penetrates into the W material by more than half of the radial thickness. 3. Radial Anti-Rotating Screw

13. Counter sink for head of screw and then drill and tap steel for securing 3. Radial Anti-Rotating Screw