46
Rigid ring 
segments
(continued)
1. It is recommended that two people should work together when installing a guide 
ring made from rail segments.
2. When using magnetic bridges: Set the lever on the bridges to OFF.
3. Use the adjusting screw (d) to set the distance on the calibration units on the 
bridges. For the recommended setting M, please refer to the settings table. When 
installing the rings, set them initially to 3 mm more than is shown on the calibra-
tion unit.
(d)
4. Install the guide ring on the component.
5. Using the adjusting screws (d) on the bridges, t the guide ring evenly around the 
component.
6. When using magnetic bridges: set all the levers on the magnetic bridges to ON.