ABB HT612198 Operation Manual page 4

Operation Manual / A170-M.. - A175-M..
Table of contents
6.4 Stopping the engine................................................................................................... 52
7 Periodic maintenance.......................................................................................... 53
7.1 Foreword to maintenance......................................................................................... 53
7.2 Cleaning the filter silencer ........................................................................................ 54
7.3 Cleaning the slotted diffuser..................................................................................... 57
7.4 Cleaning the compressor during operation .......................................................... 58
7.5 Cleaning turbine and nozzle ring ............................................................................. 64
8 Troubleshooting................................................................................................... 70
8.1 Malfunctions when starting...................................................................................... 70
8.2 Malfunctions during operation ................................................................................. 71
8.3 Surging of the turbocharger...................................................................................... 73
8.4 Malfunctions when stopping.................................................................................... 74
8.5 Speed measurement system ..................................................................................... 75
9 Disassembly and assembly................................................................................. 76
9.1 Introduction ................................................................................................................. 76
9.2 Weight of assemblies................................................................................................. 78
9.3 Removing the air inlets .............................................................................................. 79
9.4 Axial clearance A prior to disassembly .................................................................... 81
9.5 Removing the compressor casing ........................................................................... 82
9.6 Removing the cartridge group ................................................................................. 86
9.7 Removing the nozzle ring .......................................................................................... 89
9.8 Installing the nozzle ring ........................................................................................... 94
9.9 Installing the cartridge group .................................................................................. 99
9.10 Fitting the spinner nose cone ................................................................................ 102
9.11 Installing the compressor casing .......................................................................... 104
9.12 Axial clearance A after assembly............................................................................ 108
9.13 Installing the air inlets ............................................................................................. 109
9.14 Removing and installing turbine-end nozzle ring................................................ 112
9.15 Table of tightening torques..................................................................................... 116
10 Taking a turbocharger out of operation......................................................... 119
10.1 Possible emergency repairs..................................................................................... 119
10.2 Locking the rotor ...................................................................................................... 120
10.3 Fitting the cover plate............................................................................................... 123
10.4 Blanking off the inlets and outlets ......................................................................... 125
10.5 Engines with bypass around the turbocharger ................................................... 125
11 Mothballing the turbocharger.......................................................................... 126
11.1 Taking the engine out of operation for up to 12 months .................................. 126
11.2 Taking the engine out of operation for more than 12 months ......................... 127
12 Material and Disposal........................................................................................ 128
12.1 REACH and RoHS Compliance Declaration For Products .................................. 128
12.2 Disposing of turbocharger components .............................................................. 129
© Copyright 2022 ABB. All rights reserved. HZTL4033_EN Rev.K January 2022