Cleaning Components Mechanically - ABB A140-H56 Operation Manual

Operation Manual / A130-H.. - A140-H..
8 Periodic maintenance
Cleaning process with multiple short injection periods
A turbine cleaning procedure with multiple short injection periods is recom-
mended only under certain circumstances. If such a procedure is to be used,
CAUTION
this must be coordinated with ABB Turbo Systems.
Contact ABB Turbo Systems.

8.4

Cleaning components mechanically

8.4.1 Introduction
Selection of cleaning tools
Turbocharger components are sensitive and easily sustain mechanical da-
mage. The use of needle descalers (for example) or other striking tools da-
CAUTION
mages the components. Depending on the specification, nozzle rings or tur-
bine casings may have protective coatings which can also be damaged.
Use only soft tools such as rags, brushes or wire brushes.

In case of heavy contamination, the described cleaning methods (such as

soaking, for example) can be applied repeatedly until a satisfactory result
is achieved.
Dirty water and cleaning agents must be disposed of in an environmentally compatible, pro-

fessional way and in compliance with locally applicable regulations.
Disassembly and assembly
The disassembly and assembly of the components is described in chapter
Disassembly and assembly.
NOTICE
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Revision B
March 2013