ABB PT003915 - Page 4

Operation Manual / Power2 340-H / High-pressure stage
Table of contents
© Copyright 2022 ABB. All rights reserved. HZTL4054_EN Rev.F March 2022
6.2 Service work................................................................................................................. 52
6.3 Expected replacement intervals .............................................................................. 54
6.4 Stopping the engine................................................................................................... 56
7 Periodic maintenance.......................................................................................... 57
7.1 Foreword to maintenance.......................................................................................... 57
7.2 Cleaning the compressor during operation .......................................................... 58
7.3 Cleaning the high-pressure stage bellows (if present)....................................... 60
7.4 Cleaning turbine and nozzle ring during operation ............................................. 60
8 Troubleshooting................................................................................................... 61
8.1 Malfunctions when starting....................................................................................... 61
8.2 Malfunctions during operation ................................................................................ 62
8.3 Surging of the low-pressure or high-pressure stage .......................................... 66
8.4 Malfunctions when stopping.................................................................................... 67
8.5 Speed measurement system.................................................................................... 68
9 Disassembly and assembly................................................................................. 69
9.1 Introduction ................................................................................................................. 69
9.2 Material required......................................................................................................... 70
9.3 Weights of assemblies................................................................................................ 72
9.4 Removing the gas outlet casing ............................................................................... 73
9.5 Removing air inlets ..................................................................................................... 74
9.6 Removing the compressor casing............................................................................ 75
9.7 Removing the cartridge group................................................................................. 76
9.8 Installing the cartridge group .................................................................................. 79
9.9 Installing the compressor casing ............................................................................ 82
9.10 Installing the air inlets ............................................................................................... 83
9.11 Installing the gas outlet casing................................................................................ 84
9.12 Measuring radial clearances N and R ...................................................................... 85
9.13 Measuring clearance A and B.................................................................................... 86
9.14 Table of tightening torques...................................................................................... 87
10 Taking out of operation at short notice ........................................................... 88
10.1 Possible emergency repairs...................................................................................... 88
10.2 Installing a replacement cartridge group .............................................................. 89
10.3 Fitting the cover plate................................................................................................ 90
10.4 Cover plate drawing .................................................................................................... 91
11 Mothballing the high-pressure stage................................................................ 93
11.1 Taking the engine out of operation for up to 12months ................................... 93
11.2 Taking the engine out of operation for more than 12months.......................... 94
12 Material and Disposal.......................................................................................... 95
12.1 REACH and RoHS Compliance Declaration For Products ................................... 95
12.2 Disposing of low-pressure and high-pressure stage components.................. 96
13 Spare parts ........................................................................................................... 97