Operation Manual / A130-M.. - A145-M..
9 Dismantling and fitting / 9.9 Removing the cartridge group
© Copyright 2022 ABB. All rights reserved. HZTL4031_EN Rev.P February 2022
9.9 Removing the cartridge group
Fig.48: Removing insulation sheets
u If present: Remove the insulation sheets(01, 02, 03).
u Mark the casing position for assembly.
Do not remove oil orifice (if present)
To limit the oil flow rate through the bearing casing during operation (engine under load) to
the admissible values, an oil orifice is mandatory at the oil inlet of the bearing casing if the
oil inlet pressure is >3bar (overpressure).
If an oil orifice is fitted in the oil inlet of the bearing casing, it must not be removed.
Fig.49: Oil orifice
01 Bearing casing
02 Oil orifice
03 Circlip
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