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
7.2.7 Cleaning the cartridge group on turbine end
Soaking the contamination
Baked layers of contamination from coked oil occur at the turbine end. The contamination
can be removed by soaking and brushing. The procedure for soaking the layers of contamin-
ation as well as for cleaning the turbine are described in the following.
Fig.31: Soaking the turbine end
Product A[mm] B[mm] C[mm]
A130 108 17 205
A135 128 20 245
A140 157 25 300
Table14: Value table for soaking
To soak the layers of contamination on the turbine, the cartridge group can be immersed
vertically in a container (02) with fluid.
u Place the container (02) inside a larger container (03) so that the overflowing fluid can be
collected.
CAUTION
Selection of the cleaning agent
Cleaning agents that contain chlorine corrode metals.
u Only use pH-neutral cleaning agents that do not corrode metals.
u Observe the material safety data sheet.
u Observe country-specific regulations regarding banned and restricted
substances.
u Fill the container (02) with soaking fluid. To shorten the soaking time, the fluid can be
heated up to a maximum of 60 ºC.
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