Fig. 21: Cleaning The Nozzle Ring, Turbine Casing Mechanically - ABB HT607772 Operation Manual

Operation Manual / TPS44-H.. - TPS52-H..
8 Periodic maintenance work / 8.2 Cleaning components mechanically
8.2.4 Turbine-end, non-rotating parts
WARNING
Handling operating materials and supplies
Swallowing or inhaling vapours of operating materials and supplies or con-
tact with them may be harmful to health.
Do not breathe in these substances and avoid contact with the skin.
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Ensure proper ventilation.
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Observe the information in the material safety data sheet for the operat-
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ing materials and supplies.
Wear personal protective equipment (PPE) according to the material
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safety data sheet.
Comply with local legislation.
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Wear safety goggles.
Wear safety gloves to protect against chemical hazards.
Wear a respiratory mask to protect against gases.
Baked layers of contamination, for example, from heavy fuel oil or coked oil occur at the tur-
bine end. The following parts, which are relevant in terms of performance, can be cleaned in
accordance with the description below.
Fig. 21: Cleaning the nozzle ring, turbine casing mechanically
56001 Nozzle ring
51000 Turbine casing
Place contaminated parts in hot water or in a liquid such as brake cleaner to soften the
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contamination.
Brush away the contamination or remove with a steam cleaner.
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If necessary, repeat soaking and brushing.
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Use clean water to completely clean parts of any solvents.
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Dry components completely.
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Spray cleaned surfaces with penetrating oil. Do not spray the outer surfaces of the tur-
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bocharger.
© Copyright 2021 ABB. All rights reserved. HZTL4037_EN Rev.G June 2021