Table 52: Tightening Torque (56014); Table 53: Tightening Torque (61009) - ABB HT608016 Operation Manual

Operation Manual / A170-M.. - A175-M..
9 Disassembly and assembly / 9.14 Removing and installing turbine-
end nozzle ring
Product
A170-M
A175-M
Table 52: Tightening torque (56014)
Product
A170-M
A175-M
Table 53: Tightening torque (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 around 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 studs (90321).
7. Fit remaining screws (61009), then crosswise tighten all screws (61009). Observe tight-
ening torque.
8. If present: Fit connecting pipe for turbine cleaning
Refit dismantled insulation.
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Size
M10
M10
Size
Stage 1
M18 80
M20 100
HZTL4033_EN
Tightening torque [Nm]
Tightening torque [Nm]
Stage 2
170
240
Rev.H
50
50
Stage 3
280
380
July 2021