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Operation Manual / A170-M.. - A175-M..
9 Disassembly and assembly / 9.7 Removing the nozzle ring
Fig. 49: Removing nozzle ring 2
4. Pull nozzle ring (56001) out as far as it will go at guide plate.
5. Loop around nozzle ring (56001) and secure to lifting gear.
6. Remove guide plate (90328) and nuts (61037).
7. Fully pull out and put down nozzle ring (56001).
Blocked areas on nozzle ring
If a nozzle ring is blocked in some areas or is covered by loose parts, it is recommended to
appoint an ABB Turbocharging Service Station to inspect the turbine blades and carry out a
crack inspection.
© Copyright 2022 ABB. All rights reserved.
HZTL4033_EN
Rev.K
January 2022
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