ABB PT004165 Operation Manual page 4

Operation Manual / Power2 850-M / High-pressure stage
Table of contents
6.2 Service work ................................................................................................................. 46
6.3 Expected replacement intervals .............................................................................. 48
6.4 Stopping the engine................................................................................................... 49
7 Periodic maintenance.......................................................................................... 50
7.1 Foreword to maintenance......................................................................................... 50
7.2 Cleaning the compressor during operation ........................................................... 51
7.3 Cleaning turbine and nozzle ring during operation ............................................. 54
8 Troubleshooting................................................................................................... 59
8.1 Malfunctions when starting...................................................................................... 59
8.2 Malfunctions during operation ................................................................................ 60
8.3 Surging of the low-pressure or high-pressure stage .......................................... 64
8.4 Malfunctions when stopping.................................................................................... 65
8.5 Speed measurement system .................................................................................... 65
9 Disassembly and assembly................................................................................. 66
9.1 Introduction ................................................................................................................. 66
9.2 Material required......................................................................................................... 67
9.3 Weights of assemblies............................................................................................... 68
9.4 Removing the air suction branch together with bellows.................................... 69
9.5 Removing the wall insert ........................................................................................... 70
9.6 Removing the compressor casing ............................................................................ 72
9.7 Removing the cartridge group .................................................................................. 73
9.8 Removing the nozzle ring ........................................................................................... 75
9.9 Measuring axial clearance A...................................................................................... 76
9.10 Installing the nozzle ring ............................................................................................ 77
9.11 Installing the cartridge group .................................................................................. 78
9.12 Installing the compressor casing ............................................................................. 81
9.13 Installing the wall insert ............................................................................................ 82
9.14 Installing the air suction branch together with bellows ..................................... 84
9.15 Table of tightening torques...................................................................................... 85
10 Taking out of operation at short notice ........................................................... 86
10.1 Possible emergency repairs...................................................................................... 86
11 Taking out of operation for a long period ........................................................ 89
11.1 General .......................................................................................................................... 89
11.2 Lubricating oil.............................................................................................................. 89
11.3 Process for taking out of operation........................................................................ 89
12 Material and Disposal.......................................................................................... 90
12.1 REACH and RoHS Compliance Declaration For Products ................................... 90
12.2 Disposing of low-pressure and high-pressure stage components ................... 91
13 Spare parts ........................................................................................................... 92
13.1 Ordering spare parts.................................................................................................. 92
13.2 Spare part - Illustrations ........................................................................................... 93
© Copyright 2022 ABB. All rights reserved. HZTL4063_EN Rev.F March 2022