
Operation Manual / A150-M58/68
Table of contents
© Copyright 2022 ABB. All rights reserved. HZTL4041_EN Rev.F February 2022
6.4 Stopping the engine.................................................................................................... 57
7 Periodic maintenance work ................................................................................ 58
7.1 Foreword to maintenance......................................................................................... 58
7.2 Cleaning the compressor during operation .......................................................... 59
7.3 Cleaning the turbine during operation................................................................... 62
7.4 Cleaning components mechanically ....................................................................... 66
8 Eliminating malfunctions.................................................................................... 77
8.1 Malfunctions when starting....................................................................................... 77
8.2 Malfunctions during operation ................................................................................ 78
8.3 Turbocharger is surging............................................................................................. 81
8.4 Malfunctions when stopping.................................................................................... 82
8.5 Speed measurement system.................................................................................... 83
9 Dismantling and fitting, general........................................................................ 84
9.1 Introduction ................................................................................................................. 84
9.2 Material required......................................................................................................... 85
9.3 Disassembly and assembly concepts ..................................................................... 88
9.4 Weights of individual parts........................................................................................ 91
9.5 Table of tightening torques...................................................................................... 92
10 Dismantling and fitting with removed air inlet and gas outlet ..................... 94
10.1 Removing air inlets..................................................................................................... 94
10.2 Removing the gas outlet casing .............................................................................. 95
10.3 Removing the gas outlet flange............................................................................... 98
10.4 Removing the cartridge group with compressor and turbine casing.............. 99
10.5 Removing the compressor casing.......................................................................... 101
10.6 Removing the cartridge group............................................................................... 102
10.7 Installing the cartridge group on the service support ...................................... 105
10.8 Removing the nozzle ring ........................................................................................ 106
10.9 Measuring clearance A and B.................................................................................. 107
10.10 Nozzle ring compression PD................................................................................... 108
10.11 Installing nozzle ring ................................................................................................ 109
10.12 Installing the cartridge group ................................................................................. 110
10.13 Installing the compressor casing ........................................................................... 113
10.14 Turning the cartridge group with compressor and turbine casing................. 115
10.15 Installing the gas outlet flange ............................................................................... 116
10.16 Radial clearances N and R......................................................................................... 117
10.17 Fitting the insulation................................................................................................. 118
10.18 Installing the cartridge group with compressor and turbine casing .............. 119
10.19 Installing the gas outlet casing.............................................................................. 120
10.20 Installing air inlets ..................................................................................................... 123
11 Dismantling and fitting, cartridge concept ................................................... 124
11.1 Removing air inlets .................................................................................................... 124
11.2 Removing the compressor casing.......................................................................... 125
11.3 Removing the cartridge group................................................................................ 127