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Operation Manual / A130-M.. - A145-M..
7 Periodic maintenance work / 7.2 Cleaning the compressor during op-
eration
7.2
Cleaning the compressor during operation
7.2.1
Introduction
Approval by enginebuilder
The following instructions for wet cleaning only apply to cleaning with pure water and under
the precondition that the enginebuilder approves the process.
Options and limits
Periodic cleaning during operation delays any major increase in contamination. The cleaning
method is suitable as long as the contamination has not progressed far. Very heavily con-
taminated components can no longer be cleaned using this method. In this case, Turbo Sys-
tems recommends mechanical cleaning of the contaminated components.
Periodic cleaning during operation is not a substitute for the service work during which the
turbocharger is completely dismantled and cleaned.
Cause and consequences of contamination
The contamination of the compressor stage depends on the degree of purity of the air that
is sucked in. Deposits can form in the flow channels if salt, oil mist, exhaust gas or dust are
sucked in with the air.
Consequences of contamination:
¡
Impaired compressor efficiency
¡
Elevated exhaust gas temperatures
¡
Increased fuel consumption
¡
Increased rotor unbalance
7.2.2
Cleaning interval
The time period between the periodical cleaning cycles depends greatly on the operating
conditions. Cleaning should normally be carried out every 24 ... 72 hours of operation.
If the specified cleaning intervals are incompatible with operation of the engine, contact
Turbo Systems.
© Copyright 2022 ABB. All rights reserved.
HZTL4031_EN
Rev.P
February 2022
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