ABB Power2 850-M16 - Low-Pressure Stage

Operation Manual / Power2 850-M / 4.1 Low-pressure stage
Table of contents
Page 1 /
49
© Copyright 2015 ABB. All rights reserved.
HZTL4062_EN
Revision -
December 2015
Low-pressure stage
1
Further applicable documents ....................................................................
3
2
Removal and installation ............................................................................
5
2.1
Transport / weight ........................................................................................
5
2.2
Removing the low-pressure stage ...............................................................
6
2.3
Installing the low-pressure stage .................................................................
7
3
Expected replacement intervals .................................................................
9
4
Disassembly and assembly ........................................................................
11
4.1
Introduction ..................................................................................................
11
4.2
Weights of assemblies ................................................................................
13
4.3
Removing the air suction branch .................................................................
14
4.4
Removing the filter silencer .........................................................................
15
4.5
Axial clearance A prior to disassembly ........................................................
16
4.6
Removing wall insert ...................................................................................
17
4.7
Removing the compressor casing ...............................................................
19
4.8
Removing the cartridge group .....................................................................
20
4.9
Removing turbine diffuser and nozzle ring ..................................................
22
4.10
Installing the nozzle ring and turbine diffuser ..............................................
24
4.11
Installing the cartridge group .......................................................................
26
4.12
Installing the compressor casing .................................................................
29
4.13
Installing the wall insert ...............................................................................
30
4.14
Axial clearance A after assembly ................................................................
32
4.15
Installing the filter silencer ...........................................................................
33
4.16
Installing the air suction branch ...................................................................
34
4.17
Table of tightening torques ..........................................................................
36
5
Taking out of operation at short notice .......................................................
39
5.1
Possible emergency repairs ........................................................................
39
6
Spare parts ................................................................................................
43
6.1
Ordering spare parts ...................................................................................
43
6.2
View of low-pressure stage with part numbers ............................................
44
Figures .......................................................................................................
47
Tables ........................................................................................................
49