ABB A170-M Series - Fig. 59: Removing the Nozzle Ring at the Turbine End

Operation Manual / 4 Product description / A100-M axial
8 Disassembly and assembly / 8.12 Removing and installing turbine-
end nozzle ring
© Copyright 2019 ABB. All rights reserved. HZTL4033_DE Revision C February 2019
Fig.59: Removing the nozzle ring at the turbine end
1. If present: Remove connecting pipe for turbine cleaning.
2. Loop around gas inlet casing (51001) and secure with lifting gear.
3. Loosen screws (61009) and move out gas inlet casing with nozzle ring.
4. Bend open locking washers (56015), undo and remove screws (56014).
5. Pull out nozzle ring (56001).
6. Remove spiral-wound gasket (61050) and provide new one.
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