Operation Manual / Power2 850-M / 4.1 Low-pressure stage
Page 22 /
© Copyright 2015 ABB. All rights reserved.
4.9 Removing turbine diffuser and nozzle ring
Figure 15: Removing turbine diffuser and nozzle ring 1
1. Loosen and remove the screws (61056).
2. Secure connecting flange (90428) to star plate (90414) with screws (90950) and nuts
(90431).
3. Align arm of star plate (90414) marked FRONT in direction of gas outlet flange and screw
star plate to turbine diffuser with screws (90961).
Figure 16: Removing turbine diffuser and nozzle ring 2
4. Loosely screw in three press-off screws (90902).
5. Secure guide tube (90422) to bracket (90030) with screws (90955) and nuts (90415).
6. Do not fit front bolt (90033) yet.