Operation Manual / A150-M56/66/57/67 - A155-M..
Table of contents
© Copyright 2022 ABB. All rights reserved. HZTL4032_EN Rev.S February 2022
6.4 Stopping the engine................................................................................................... 58
7 Periodic maintenance work ................................................................................ 59
7.1 Foreword to maintenance......................................................................................... 59
7.2 Cleaning the compressor during operation .......................................................... 60
7.3 Cleaning the turbine during operation................................................................... 63
7.4 Cleaning components mechanically ....................................................................... 67
7.5 Changing the absorption element .......................................................................... 80
8 Eliminating malfunctions.................................................................................... 82
8.1 Malfunctions when starting...................................................................................... 82
8.2 Malfunctions during operation ................................................................................ 83
8.3 Turbocharger is surging............................................................................................ 86
8.4 Malfunctions when stopping.................................................................................... 87
8.5 Speed measurement system.................................................................................... 88
9 Dismantling and fitting, general........................................................................ 89
9.1 Introduction ................................................................................................................. 89
9.2 Material required......................................................................................................... 90
9.3 Disassembly and assembly concepts ..................................................................... 93
9.4 Weights of individual parts....................................................................................... 96
9.5 Table of tightening torques...................................................................................... 97
10 Dismantling and fitting with removed air inlet and gas outlet ..................... 99
10.1 Removing air inlets..................................................................................................... 99
10.2 Removing the gas outlet casing ............................................................................. 101
10.3 Removing the gas outlet flange............................................................................. 104
10.4 Removing the cartridge group with compressor and turbine casing............ 107
10.5 Removing the compressor casing......................................................................... 109
10.6 Removing the cartridge group................................................................................ 111
10.7 Installing the cartridge group on the service support ....................................... 114
10.8 Removing the nozzle ring ......................................................................................... 115
10.9 Measuring clearance A and B................................................................................... 116
10.10 Nozzle ring compression PD.................................................................................... 117
10.11 Installing nozzle ring ................................................................................................. 118
10.12 Installing the cartridge group ................................................................................. 119
10.13 Installing the compressor casing ........................................................................... 122
10.14 Turning the cartridge group with compressor and turbine casing................. 124
10.15 Installing the gas outlet flange ............................................................................... 125
10.16 Radial clearances N and R......................................................................................... 126
10.17 Fitting the insulation................................................................................................. 127
10.18 Installing the cartridge group with compressor and turbine casing .............. 128
10.19 Installing the gas outlet casing............................................................................... 129
10.20 Installing air inlets ..................................................................................................... 132
11 Dismantling and fitting, cartridge concept ................................................... 134
11.1 Removing air inlets ................................................................................................... 134
11.2 Removing the compressor casing.......................................................................... 136
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