ABB A255-L - Fig. 55: Attaching the Nozzle Ring (A280-L); Table 36: Tightening Torque (56014)

Operation Manual / A200-L
9 Disassembly and assembly / 9.16 Fitting the nozzle ring (A280-L)
© Copyright 2021 ABB. All rights reserved. HZTL4036_EN Rev.T December 2021
Fig.55: Attaching the nozzle ring (A280-L)
Part number A280-L
56014 M12
65Nm
Table36: Tightening torque (56014)
1. Fit the nozzle ring holder (90477) on the flange of the gas inlet casing (51001) with
screws (B
1
).
2. Remove screws (B
2
).
3. Align the notch (A
1
) on the cam of the nozzle ring (56001) with the flange connection (A
2
)
and slide the nozzle ring into the gas inlet casing.
4. Coat screws (56014) with high-temperature grease and fit with washers (56011).
5. Remove screws (B
1
) along with the nozzle ring holder (90477).
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