Removing Cartridge Group - ABB HT576419 Operation Manual

Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
8 Disassembly and assembly / 8.5 Removing cartridge group

8.5 Removing cartridge group

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Remove insulation.
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Version with compressor wheel cooling system
Remove air supply line. (See also chapter entitled Preliminary re-
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marks / Layout and functionality)
Disconnect oil pipes in accordance with enginebuilder's instructions.
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CAUTION
Oil orifice plates
An orifice plate for adjusting the oil pressure is fitted in each of the two
oil inlet channels in the bearing casing. When the cartridge group, the
bearing 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.
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Remove three studs (72029) at top.
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Attach lifting device (90190) to compressor casing (72000), then
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fasten and secure it to crane using lifting gear.
Loosen nuts (61037).
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Evenly press off compressor casing (72000) using the three press-off
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nuts (61090).
Slightly lift and pull out compressor casing (72000).
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Remove the O-ring (42012).
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HZTL2498_EN Revision C April 2018