Fig. 29: Operation Of Water Pressure Vessel - ABB HT605590 Operation Manual

Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.4 Cleaning the compressor during operation
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:
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Engine load 50 ... 85 %
Start the cleaning operation according to the following description.
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Operation of compressor wet cleaning
Fig. 29: Operation of water pressure vessel
Operation of the water pressure vessel
The prerequisites for operating state for cleaning the compressor with XC3 must be ful-
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filled before the cleaning.
Screw out sealing plug (X).
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Fill container with pure water.
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Screw in sealing plug (X).
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Push valve activator (Y) against the spring and hold for 10 to 15 seconds until the whole
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volume of water is injected.
After cleaning operations, a waiting period of at least 5 minutes is required for the tur-
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bocharger to dry.
© Copyright 2021 ABB. All rights reserved. HZTL4033_EN Rev.H July 2021