Operation Manual / 4 Product description / A100-M axial
8 Disassembly and assembly / 8.12 Removing and installing turbine-
end nozzle ring
© Copyright 2019 ABB. All rights reserved. HZTL4033_DE Revision C February 2019
Installing the nozzle ring
Fig.60: Installing the nozzle ring at the turbine end
Part number A170-M A175-M
56014 M10
50 Nm
M10
50 Nm
61009
Tighten crosswise in stages
M18
80
170
280
M20
100
240
380
Table44: Tightening torque (56014 / 61009)
1. Coat threads of new screws (56014) with high-temperature grease.
Fit the nozzle ring (56001) to the gas inlet casing (51001) using the screws (56014) and
new locking washers (56015).
Bend over locking washers.
2. Fix new spiral-wound gasket (61050) in groove of gas outlet casing (61001) at three
evenly distributed points with a little superglue (such as Loctite®454).
3. Fit two guide studs (90321) in the upper part of the gas outlet casing (61001).
4. Coat threads of screws (61009) with high-temperature grease.
5. Loop round gas inlet casing (51001) and, using lifting gear, slide over guide studs until at
the gas outlet casing (61001) and secure with screws (61009).
6. Remove the guide stud (90321).
7. Fit remaining screws (61009), then tighten all screws (61009).
8. If present: Fit connecting pipe for turbine cleaning
u Refit dismantled insulation.
Page 88 / 108
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