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Operation Manual / TPS44-H.. - TPS52-H..

10 Dismantling and fitting / 10.10 Nozzle ring compression PD

10.10 Nozzle ring compression PD

For the nozzle ring(56001) to be fixed during operation, it must be clamped between the

bearing casing(42001) and the turbine casing(51000).

Fig.37: Measuring nozzle ring compression

42001 Bearing casing

51000 Turbine casing

56001 Nozzle ring

1. Measure dimensions A, B, and C on cleaned surfaces.

2. Calculate the compression (PD) and compare it with the permissible values in the follow-

ing table.

u If the calculated value (PD) lies outside the specified range, contact an ABB Turbochar-

ging Service Station.

Product Compression PD [mm]

TPS44 -0.23 ... 0.23

TPS48 -0.23 ... 0.23

TPS52 -0.24 ... 0.24

Table36: Nozzle ring compression PD

Page 82 / 111

ABB HT607123 User Manual

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