ABB TPS48-H33 - Nozzle Ring Compression PD; Table 34 Permitted Nozzle Ring Com

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
9
Dismantling and fitting
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HZTL4037_EN
Revision A
August 2016
9.10 Nozzle ring compression PD
For the nozzle ring (56001) to be fixed during operation, it must be clamped between the bear-
ing casing (42001) and the turbine casing (51000).
Figure 29: 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 following
table.
Product
Compression PD [mm]
TPS44 -0.23 ... 0.23
TPS48
-0.23 ... 0.23
TPS52 -0.24 ... 0.24
Table 34: Permitted nozzle ring compression PD
 If the calculated value (PD) lies outside the specified range, contact an ABB Turbocharging
Service Station.