ABB A175-M66 Operation Manual page 98

Operation Manual / 4 Product description / A100-M axial
8 Disassembly and assembly
Oil orifice plates
An orifice plate for adjusting the oil pressure is fitted in each of the two oil in-
let channels in the bearing casing. When the cartridge group, the bearing
CAUTION
casing or the turbocharger is fitted to the engine, it must be ensured that the
orifice plates that are specified for the turbocharger have been installed in
the two oil inlet channels.
Check correct installation of oil orifice plates.

Version with compressor wheel cooling
Dismantle air supply line (compressor wheel cooling [➙ 5]).

Separate oil inlet and outlet pipes.

Figure 34: Removing cartridge group 1
1. Unplug cable connector (86515) and unscrew speed sensor (86505) with O-ring (86506).
Dispose of the O-Ring (86506).
2. Loosen screw (25013) and remove washer (25014).
3. Press off the spinner nose cone (25012) using the press-off screw (90917).
4. Loosen and remove the screw (61059).
5. Loosen and remove nuts (42128).
6. Attach lifting gear to bearing casing.
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Revision A July 2016