Operation Manual / 4 Product description / A130-H.. - A140-H..
6
Periodic maintenance work
Page 58 / 115
© Copyright 2015 ABB. All rights reserved.
HZTL4030_EN
Revision C
September 2015
6.4.4
Turbine-end, non-rotating parts
WARNING
Handling operating materials and supplies
Swallowing or inhaling vapours of operating materials and supplies or
contact with them may be harmful to health.
Do not breathe in these substances and avoid contact with the skin.
Ensure proper ventilation.
Observe the information in the material safety data sheet for the operating
materials and supplies.
Comply with local legislation.
Wear safety goggles.
Wear safety gloves against mechanical risks.
Wear a respiratory mask to protect against gases.
Baked layers of contamination, for example, from heavy fuel oil or coked oil occur at the
turbine end. The following parts, which are relevant in terms of performance, can be cleaned
in accordance with the description below.
Figure 26: Turbine end, non-rotating parts
51000 Turbine casing
56001 Nozzle ring
57002 Gas outlet flange
56005 Lamellar sealing ring
Dismantle the lamellar sealing ring (56005) in the nozzle ring.
Place contaminated parts in hot water or in a liquid such as carbon remover to soften the
contamination.
Brush away the contamination or remove with a steam cleaner.
If necessary, repeat soaking and brushing.
Use clean water to completely clean parts of any solvents.
Dry components completely.
Spray cleaned surfaces with penetrating oil. Do not spray exterior surfaces of the
turbocharger.
