ABB HT608783 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.................................................................................... 56
7.4 Cleaning the compressor during operation ........................................................... 57
7.5 Cleaning turbine and nozzle ring ............................................................................. 63
8 Troubleshooting................................................................................................... 69
8.1 Malfunctions when starting...................................................................................... 69
8.2 Malfunctions during operation ................................................................................ 70
8.3 Surging of the turbocharger...................................................................................... 72
8.4 Malfunctions when stopping..................................................................................... 73
8.5 Speed measurement system .................................................................................... 74
9 Disassembly and assembly................................................................................. 75
9.1 Introduction .................................................................................................................. 75
9.2 Weight of assemblies.................................................................................................. 77
9.3 Removing the air inlets .............................................................................................. 78
9.4 Axial clearance A prior to disassembly ................................................................... 80
9.5 Removing the compressor casing ............................................................................ 81
9.6 Removing the cartridge group ................................................................................. 85
9.7 Removing the nozzle ring .......................................................................................... 88
9.8 Installing the nozzle ring ........................................................................................... 93
9.9 Installing the cartridge group .................................................................................. 98
9.10 Fitting the spinner nose cone ................................................................................. 101
9.11 Installing the compressor casing .......................................................................... 103
9.12 Axial clearance A after assembly............................................................................ 107
9.13 Installing the air inlets ............................................................................................. 108
9.14 Removing and installing turbine-end nozzle ring................................................ 111
9.15 Table of tightening torques..................................................................................... 115
10 Taking a turbocharger out of operation......................................................... 118
10.1 Possible emergency repairs..................................................................................... 118
10.2 Locking the rotor ....................................................................................................... 119
10.3 Fitting the cover plate............................................................................................... 122
10.4 Blanking off the inlets and outlets ......................................................................... 124
10.5 Engines with bypass around the turbocharger ................................................... 124
11 Mothballing the turbocharger.......................................................................... 125
11.1 Taking the engine out of operation for up to 12 months .................................. 125
11.2 Taking the engine out of operation for more than 12 months ......................... 126
12 Material and Disposal........................................................................................ 127
12.1 REACH and RoHS Compliance Declaration For Products .................................. 127
12.2 Disposing of turbocharger components .............................................................. 128
© Copyright 2021 ABB. All rights reserved. HZTL4033_EN Rev.I November 2021