Operation Manual / 4 Product description / A130-M.. - A145-M..
6
Periodic maintenance work
Page 46 / 115
© Copyright 2015 ABB. All rights reserved.
HZTL4031_EN
Revision C
February 2016
6.2
Cleaning the compressor during operation
6.2.1
Introduction
Approval by enginebuilder
These 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 in operation reduces a major increase in contamination and can extend the
intervals between service work. The cleaning method is particularly suitable as long as the
contamination is not too advanced. Very heavily contaminated components can no longer be
cleaned using this method. In this case, ABB Turbo Systems recommends having the
contaminated components cleaned mechanically by an ABB Turbocharging Service Station.
Periodic cleaning in operation is no replacement for service work in which an ABB
Turbocharging Service Station completely dismantles and maintains the turbocharger.
Causes and results of contamination
Contamination of the compressor stage depends on the degree of purity of the sucked-in air.
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
Increased exhaust gas temperatures
Increased fuel consumption
Increased rotor unbalance
6.2.2
Cleaning interval
The time period between the periodical cleaning cycles depends greatly on the operating
conditions. Cleaning should normally be done every 24 ... 72 hours of operation.
If the specified cleaning intervals are incompatible with operation of the engine, contact ABB
Turbo Systems.
