Operation Manual / 4 Product description / A130-M.. - A145-M..
6 Periodic maintenance work / 6.4 Cleaning components mechanically
© Copyright 2020 ABB. All rights reserved. HZTL4031_EN Rev.L July 2020
CAUTION
Water and dirt in the cartridge group
If water or dirt enters the cartridge group, this can impair the function of
the turbocharger and damage parts inside the cartridge group.
u Make sure that no water or dirt enters the gap between partition wall and
turbine.
CAUTION
Non-permissible rotor unbalance after cleaning
Unevenly distributed residual contamination deposits lead to rotor unbal-
ance. This can result in bearing or turbocharger damage.
u Remove all traces of contamination from the turbine.
u After brushing off the dirt, fill the container (02) with clean water and not with salt water .
u Immerse the turbine of the cartridge group in clean water so that any loose dirt comes
off.
u Lift up the cartridge group and align it horizontally.
u Clamp the partition wall to the bearing casing.
u Dry the turbine and the gap between the turbine and the partition wall with low-pressure
compressed air.
u Lightly spray the turbine and the gap between the turbine and the partition wall with pen-
etrating oil.
u Dispose of dirty water and cleaning agents in accordance with the information in the ma-
terial safety data sheet.
Page 59 / 114
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