Operation Manual / A130-H.. - A140-H..
7 Periodic maintenance work / 7.2 Cleaning components mechanically
© Copyright 2021 ABB. All rights reserved. HZTL4030_EN Rev.G July 2021
7.2.4 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.
u Do not breathe in these substances and avoid contact with the skin.
u Ensure proper ventilation.
u Observe the information in the material safety data sheet for the operat-
ing materials and supplies.
u Wear personal protective equipment (PPE) according to the material
safety data sheet.
u Comply with local legislation.
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 coked oil occur at the turbine end. The fol-
lowing parts, which are relevant in terms of performance, can be cleaned in accordance with
the description below.
Fig.30: Turbine end, non-rotating parts
51000 Turbine casing 56001 Nozzle ring
57002 Gas outlet flange 56005 Lamellar sealing ring
u Dismantle the lamellar sealing ring (56005) in the nozzle ring.
u Place contaminated parts in hot water or in a liquid such as brake cleaner to soften the
contamination.
u Brush away the contamination or remove with a steam cleaner.
u Repeat the soaking and brushing if necessary.
u Use clean water to remove all traces of solvent from parts.
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