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Operation Manual / TPL73-B.. - 85-B11/ -B12
8 Disassembly and assembly / 8.6 Removing cartridge group
8.6 Removing cartridge group
Position of the safety seg-
ments before disas-
sembly
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Remove insulation where necessary.
u
Disconnect oil pipes in accordance with enginebuilder's instructions.
u
Open the oil drain screw (42245) at the pipe to the emergency lubric-
u
ating oil tank and collect any residual oil that might be in it into a
bucket.
Fit the oil drain screw (42245).
u
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.
u
CAUTION
Locked safety segments (76080) during disassembly
Observe the maximum tightening torque for the nuts (90458) so as not
to shear off the threaded studs of the safety segments (76080).
Fit four nuts (74027) complete with washers (74018), equally spaced
u
around circumference, and tighten.
Take nuts (90458) out of toolbox and screw them onto threaded
u
studs of three safety segments (76080) on internal part of com-
pressor casing (76000).
Tighten the nuts (90458) to a maximum of 30 Nm.
u
NOTICE
Note the check dimension (u).
HZTL2480_EN
Revision D
July 2018
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- Removing the Turbocharger
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