ABB HT846728 Operation Manual page 60

Operation Manual / TPS44-H.. - TPS52-H..
8 Periodic maintenance work / 8.2 Cleaning components mechanically
Dispose of contaminated water and cleaning agents in accordance with the information
u
in the material safety data sheet.
8.2.5 Cartridge group, general
CAUTION
Corrosion
If the cartridge group is not put back into operation immediately after clean-
ing, parts may corrode.
Immediately after cleaning, install the cartridge group and put it back
u
into operation.
Compressor wheels can be heavily contaminated due to poorly filtered suction air; turbines
can be heavily contaminated due to coked oil. Contamination such as this must be removed
during the standard service intervals (see chapter Service work).
Remove the turbocharger from the engine (see chapter
u
Remove the cartridge group (see chapter
u
First clean the compressor end and then the turbine end according to the following descrip-
tion.
8.2.6 Cleaning the cartridge group on compressor end
CAUTION
Selection of the cleaning agent
Cleaning agents that contain chlorine corrode metals.
Only use pH-neutral cleaning agents that do not corrode metals.
u
Observe the material safety data sheet.
u
Observe country-specific regulations regarding banned and restricted
u
substances.
CAUTION
Water and contamination in the cartridge group
If water or contamination penetrates the cartridge group, this can impair
the function of the turbocharger and damage parts inside the cartridge
group.
Make sure that no water or contamination can enter into the cartridge
u
group.
Cleaning procedures should be selected that do not result in removal of the compressor
u
wheel material or cause damage to its surfaces. Clean the compressor wheel with a rag or
soft brush which has been soaked in water with a household cleaning agent. Do not use a
wire brush!
© Copyright 2021 ABB. All rights reserved.
Removing and Installing
Dismantling and fitting
HZTL4037_EN
→28).
→70).
Rev.G June 2021