Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.4 Cleaning the compressor during operation
© Copyright 2022 ABB. All rights reserved.
HZTL4033_EN
Rev.K
January 2022
7.4.5
Wet cleaning with external water pressure vessel
Operating state prerequisites for cleaning the compressor
On V-engines with several turbochargers per engine, parallel cleaning of both turbochargers
is recommended. This cleaning process is faster and reduces the risk of surging of the tur-
bocharger.
To carry out the cleaning operation checked and recommended by ABB Turbocharging, the
following prerequisites must be fulfilled:
¡
Engine load 50 … 85 %
u
Start the cleaning operation according to the following description.
Operation of compressor wet cleaning
Fig. 29: Operation of water pressure vessel
Operation of the water pressure vessel
u
The
prerequisites for operating state for cleaning the compressor with XC3
must be ful-
filled
before the cleaning.
u
Screw out sealing plug (
X
).
u
Fill container with pure water.
u
Screw in sealing plug (
X
).
u
Push valve activator (
Y
) against the spring and hold for
10
to
15 seconds
until the whole
volume of water is injected.
u
After cleaning operations, a waiting period of at least
5 minutes
is required for the tur-
bocharger to dry.
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