Operation Manual / Power2 850-M / 4.2 High-pressure stage
Table of contents
© Copyright 2017 ABB. All rights reserved. HZTL4063_EN Revision A August 2017
High-pressure stage
1 Further applicable documents ............................................................................. 2
2 Removal and installation ...................................................................................... 3
2.1 Transport / weight ........................................................................................................ 3
2.2 Removing the high-pressure stage........................................................................... 4
2.3 Installing the high-pressure stage ............................................................................. 5
3 Expected replacement intervals .......................................................................... 6
4 Disassembly and assembly................................................................................... 8
4.1 Introduction ................................................................................................................... 8
4.2 Weights of assemblies................................................................................................ 10
4.3 Removing the air suction branch together with bellows..................................... 11
4.4 Removing wall insert ................................................................................................... 12
4.5 Removing the compressor casing............................................................................ 14
4.6 Removing the cartridge group.................................................................................. 15
4.7 Removing the nozzle ring ........................................................................................... 17
4.8 Measuring axial clearance A....................................................................................... 18
4.9 Installing the nozzle ring ............................................................................................ 19
4.10 Installing the cartridge group .................................................................................. 20
4.11 Installing the compressor casing ............................................................................. 23
4.12 Installing the wall insert ............................................................................................ 24
4.13 Installing the air suction branch together with bellows ..................................... 26
4.14 Table of tightening torques....................................................................................... 27
5 Taking out of operation at short notice ........................................................... 28
5.1 Possible emergency repairs...................................................................................... 28
6 Spare parts ........................................................................................................... 31
6.1 Ordering spare parts................................................................................................... 31
6.2 View of high-pressure stage with part numbers................................................... 32
Figures................................................................................................................... 34
Tables .................................................................................................................... 35
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