Operation Manual / Power2 340-H / Low-pressure stage
7 Periodic maintenance / 7.2 Cleaning the compressor during operation
© Copyright 2022 ABB. All rights reserved. HZTL4053_EN Rev.F March 2022
Principle of wet cleaning
To clean the compressor stage during operation, water is injected before the compressor
wheel.
The water does not act as a solvent. The coating is removed by the mechanical action of the
impacting droplets. The process is particularly suitable as long as the fouling is not too ad-
vanced.
7.2.3 Prerequisites for wet cleaning of compressor
¡ Engine load of 50 ... 85%
CAUTION
Volume of water
Uncontrolled volumes of water can damage the pressure stages and the en-
gine.
u Never connect injection tubes directly to a water pipe or a larger meter-
ing container other than that specified by Turbo Systems.
CAUTION
Corrosion and deposits when cleaning
Salt water and cooling water treatment substances damage and adversely
affect parts of the low-pressure and high-pressure stage.
u Never use salt water, but only pure water for cleaning.
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