Operation Manual / A170-M.. - A175-M..
9 Disassembly and assembly / 9.6 Removing the cartridge group
© Copyright 2022 ABB. All rights reserved. HZTL4033_EN Rev.K January 2022
9.6 Removing the cartridge group
CAUTION
Safety-relevant screws
The six screws (01) are relevant for containment safety and must not be
loosened.
Fig.41: Safety-relevant screws
CAUTION
Oil orifices
There is an orifice for adjusting the oil pressure in each of the two oil supply
pipes of the bearing casing. When the cartridge group, the bearing casing or
the turbocharger-is being fitted to the engine, it must be ensured that the
orifices specified for the turbocharger are installed in both oil supply pipes.
u Check that the oil orifices have been correctly installed.
Version with compressor wheel cooling
u Dismantle air supply line (see Compressor wheel cooling).
u Separate oil inlet and outlet pipes.
Page 86 / 146
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