ABB TPL65-A32 Operation Manual page 63

5.4.1
CAUTION
© Copyright 2014 ABB. All rights reserved.
Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Maintenance
Cleaning turbine blades and nozzle ring
in operation
Wet cleaning turbine and nozzle ring during operation
Prerequisites for turbine wet cleaning
Corrosion and deposits when cleaning
Damage and impairment of turbocharger parts due to salt water and
cooling water additives
Don't use salt water for cleaning, but only clean fresh water.

Recommended operating state for turbine wet cleaning
The following operating state and prerequisites have been tested and
approved by ABB Turbo Systems for the cleaning process:
The engine has just been started or the engine load has been reduced

as far as possible (best cleaning is achieved at a load level of roughly
10 to 15%).
As soon as the turbine inlet temperature is stable and below 430°C,

wait at least another 10 minutes for the charger parts to cool down.
Start the cleaning cycle according to following description in Wet

cleaning procedure.
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