Operation Manual / TPS44-H.. - TPS52-H..
10 Dismantling and fitting / 10.10 Nozzle ring compression PD
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HZTL4037_EN
Rev.F
May 2021
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
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