Operation Manual / A150-M56/66/57/67 - A155-M..
Table of contents
© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021
6.3 Expected replacement intervals .............................................................................. 55
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
7.5 Changing the absorption element .......................................................................... 76
8 Eliminating malfunctions.................................................................................... 78
8.1 Malfunctions when starting...................................................................................... 78
8.2 Malfunctions during operation ................................................................................ 79
8.3 Turbocharger is surging............................................................................................ 82
8.4 Malfunctions when stopping.................................................................................... 83
8.5 Speed measurement system.................................................................................... 84
9 Dismantling and fitting, general........................................................................ 85
9.1 Introduction ................................................................................................................. 85
9.2 Material required......................................................................................................... 86
9.3 Disassembly and assembly concepts ..................................................................... 89
9.4 Weights of individual parts....................................................................................... 92
9.5 Table of tightening torques...................................................................................... 93
10 Dismantling and fitting with removed air inlet and gas outlet ..................... 95
10.1 Removing air inlets..................................................................................................... 95
10.2 Removing the gas outlet casing .............................................................................. 97
10.3 Removing the gas outlet flange............................................................................. 100
10.4 Removing the cartridge group with compressor and turbine casing............ 103
10.5 Removing the compressor casing......................................................................... 105
10.6 Removing the cartridge group............................................................................... 107
10.7 Installing the cartridge group on the service support ....................................... 110
10.8 Removing the nozzle ring ......................................................................................... 111
10.9 Measuring clearance A and B................................................................................... 112
10.10 Nozzle ring compression PD.................................................................................... 113
10.11 Installing nozzle ring ................................................................................................. 114
10.12 Installing the cartridge group ................................................................................. 115
10.13 Installing the compressor casing ........................................................................... 118
10.14 Turning the cartridge group with compressor and turbine casing................ 120
10.15 Installing the gas outlet flange ............................................................................... 121
10.16 Radial clearances N and R......................................................................................... 122
10.17 Fitting the insulation................................................................................................. 123
10.18 Installing the cartridge group with compressor and turbine casing .............. 124
10.19 Installing the gas outlet casing............................................................................... 125
10.20 Installing air inlets ..................................................................................................... 128
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