Operation Manual / TPL67-C.. - TPL71-C..
Cleaning components mechanically
Page 67
© Copyright 2017 ABB. All rights reserved.
February 2017 HZTL2488_EN Revision D
Cleaning components mechanically
5.5
Compressor wheels can be heavily contaminated by badly filtered intake
air, as can turbines by heavy fuel oil operation or coked oil. Such contam-
ination may possibly no longer be removed through cleaning during op-
eration and must be cleaned mechanically during the standard service in-
tervals (see chapter entitled Service work).
Professional overhauling of the components by an ABB Turbocharging
Service Station is required, preferably using the cleaning method de-
scribed in the following.
Turbocharger components are sensitive to mechanical damage. The
use of needle guns or other impact tools, for example, damages the
components. Depending on the specification, nozzle rings have protec-
tive coatings, which can also be damaged.
Only use soft tools such as scouring cloths, brushes or wire brushes.
In the event of heavy contamination, the cleaning methods described
in this chapter such as soaking can be repeated until a satisfactory
result has been achieved.
Disassembly and assembly of the parts is described in the chapter enti-
tled Fitting and dismantling.
Dispose of contaminated water and cleaning agents in an environmen-
tally compatible manner, professionally and in accordance with valid
local regulations.
Risk of damage during mechanical cleaning
If mechanical cleaning is carried out too often, this can lead to damage
and corrosion on the components.
Perform mechanical cleaning, especially of the cartridge group, only
once within the service interval.
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