ABB HT610874 Operation Manual page 80

Operation Manual / A130-M.. - A145-M..
7 Periodic maintenance work / 7.4 Cleaning components mechanically
Remove the cartridge group (see chapter
u
First clean the compressor end and then the turbine end according to the following descrip-
tion.
7.4.6 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!
Dry the compressor wheel and the gap between the compressor and the bearing casing
u
with low-pressure pressurized air.
Lightly spray the compressor wheel and the gap between the compressor and the bearing
u
casing with penetrating oil.
Dispose of dirty water and cleaning agents in accordance with the material safety data
u
sheet.
© Copyright 2022 ABB. All rights reserved.
Dismantling and fitting
HZTL4031_EN
→89).
Rev.P February 2022