Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
10 Dismantling and fitting, cartridge concept / 10.6 Nozzle ring com-
pression PD
© Copyright 2018 ABB. All rights reserved. HZTL4032_EN Revision H July 2018
10.6 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.81: Nozzle ring compression PD
Product Compression PD [mm]
A150 -0.17 ... 0.17
A155 -0.17 ... 0.17
Table54: 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).
u If the calculated value (PD) lies outside the specified range, contact an ABB Turbochar-
ging Service Station.
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