Operation Manual / A130-M.. - A145-M..
7 Periodic maintenance work / 7.4 Cleaning components mechanically
© Copyright 2022 ABB. All rights reserved. HZTL4031_EN Rev.P February 2022
7.4.4 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 from heavy fuel oil or coked oil, for example, 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.35: Turbine end, non-rotating parts
51000 Turbine casing 51301 Cleaning nozzle (optional)
57002 Gas outlet flange 01 Water pipe (provided by the customer)
56001 Nozzle ring 02 Screw connection (provided by the cus-
tomer)
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 process if necessary.
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