Remove the air supply line. (Also see the chapter Preliminary remarks
/ Layout and functioning.)
Disconnect the oil lines in accordance with the engine builder's
instructions.
An orifice plate is fitted in each of the two oil inlet channels in the
bearing casing. In order to obtain the required oil pressure, the diameter
of this orifice plate was individually adjusted by the engine builder.
Whenever these orifice plates are removed, or if the bearing casing, the
cartridge group or the complete turbocharger is replaced, make
absolutely sure that the orifice plate with the correct diameter is fitted in
the oil inlet channel in which the oil flows.
Re-use existing orifice plate.
Remove three studs (72029) in upper area.
Attach lifting device (90190) to compressor casing (72000), fasten to
crane using lifting gear and secure.
Unscrew nuts (61037).
Uniformly press apart compressor casing (72000) using three press-off
nuts (61090).
Slightly lift compressor casing (72000) and pull out.
Remove O-ring (42012).
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