ABB A255-L35, Original Operation Manual

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Operation Manual / 4 Product description / A200-L
Table of contents
© Copyright 2020 ABB. All rights reserved. HZTL4036_EN Rev.R October 2020
7.3 Surging of the turbocharger..................................................................................... 49
7.4 Malfunctions when stopping.................................................................................... 50
7.5 Speed measurement system ..................................................................................... 51
8 Disassembly and assembly................................................................................. 53
8.1 Introduction ................................................................................................................. 53
8.2 Material required......................................................................................................... 54
8.3 Weights of assemblies............................................................................................... 55
8.4 Disassembly and assembly of the filter silencer casing ..................................... 56
8.5 Dismantling the filter silencer ................................................................................... 61
8.6 Dismantling wall insert and diffuser....................................................................... 63
8.7 Axial clearance A prior to disassembly ................................................................... 69
8.8 Dismantling the insulation ( ≤ A275-L) .................................................................... 70
8.9 Dismantling the gas inlet casing ( ≤ A275-L) ........................................................... 71
8.10 Dismantling the nozzle ring ( ≤ A275-L).................................................................... 72
8.11 Dismantling the gas inlet casing (A280-L).............................................................. 73
8.12 Dismantling the nozzle ring (A280-L) ..................................................................... 74
8.13 Fitting the nozzle ring ( ≤ A275-L)............................................................................. 76
8.14 Fitting the gas inlet casing ( ≤ A275-L) ..................................................................... 77
8.15 Fitting the insulation ( ≤ A275-L) .............................................................................. 78
8.16 Fitting the nozzle ring (A280-L) ............................................................................... 79
8.17 Fitting the gas inlet casing (A280-L)........................................................................ 81
8.18 Axial clearance A after assembly.............................................................................. 82
8.19 Fitting the diffuser ..................................................................................................... 83
8.20 Fitting wall insert ........................................................................................................ 84
8.21 Fitting the filter silencer............................................................................................ 88
8.22 Table of tightening torques....................................................................................... 91
9 Taking a turbocharger out of operation........................................................... 93
9.1 Possible emergency repairs...................................................................................... 93
9.2 Taking defective turbochargers out of operation ............................................... 94
10 Mothballing the turbocharger.......................................................................... 100
10.1 Taking the engine out of operation for up to 12 months ................................. 100
10.2 Taking the engine out of operation for more than 12 months ......................... 101
11 Disposing of turbocharger components ........................................................ 102
12 Spare parts ......................................................................................................... 103
12.1 Ordering spare parts................................................................................................ 103
12.2 View of turbocharger with part numbers ............................................................ 105
12.3 View of cartridge group with part numbers........................................................ 107
13 Tools .................................................................................................................... 109
Figures.................................................................................................................. 111