Operation Manual / TPS44-F.. - TPS61-F..
5 Maintenance / 5.3 Turbine cleaning during operation
© Copyright 2020 . All rights reserved. HZTL2412_EN Rev.G March 2020
Cleaning method
Turbine components are cleaned during operation by using the wet
cleaning method described below. This cleaning method is tested and
approved by ABB Turbocharging.
The turbine casing design and the type of turbine casing seal are decis-
ive for the choice of cleaning method.
NOTICE
Approval by engine manufacturer
The prerequisite for wet cleaning is that the engine manufacturer ap-
proves the method and his instructions are followed.
5.3.1 Wet cleaning methods
Process with short water injection time (3 x 30 seconds cleaning)
The cleaning process with short water injection time is used for tur-
bocharger designs without additional sealing by means of C-rings.
The process is based on the principle of thermal shock in combination
with a subsequent flushing phase.
Process with long water injection time (10 minutes cleaning)
The cleaning process with a long water injection time is used for tur-
bocharger designs with additional sealing by means of C-rings.
Based on a 10-minute injection phase, this cleaning process utilises the
water solubility of the dirty deposits.
NOTICE
Choice of cleaning method
If you need information about the choice of cleaning method (short /
long), you can contact the engine builder or an official ABB Turbochar-
ger service station.
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