Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
9 Dismantling and fitting with removed air inlet and gas outlet / 9.10
Nozzle ring compression PD
© Copyright 2018 ABB. All rights reserved. HZTL4032_EN Revision H July 2018
9.10 Nozzle ring compression PD
For the nozzle ring (56001) to be fixed during operation, it must be clamped between the
heat shield (42400) and the turbine casing (51000).
Fig.53: Nozzle ring compression PD
Product Compression PD [mm]
A150 -0.17 ... 0.17
A155 -0.17 ... 0.17
Table43: Permitted nozzle ring compression PD
42001 Bearing casing 51000 Turbine casing
42400 Heat shield 56001 Nozzle ring
1. Measure dimensions A, B, and S on cleaned surfaces.
2. Calculate compression (PD).
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