When impossible to obtain correct end thrust by removal
(3) Remove the four nuts and lockwashers
of shims, new gears, thrustwashers, shims, and bearing
that secure turbine housing to exhaust manifold, then
cage(s should be used.
remove turbocharger from air inlet elbow and engine.
(d) Inspect rotor for breaks, cracks, or
CAUTION
wear. Replace defective rotors.
Do not connect the oil return line
(e) Inspect housing breaks, cracks,
until it is assured there is a free flow
corrosion, or warpage.
('heck threaded areas for
of oil through turbocharger. Turn
marred, stripped, or damaged threads. Replace a
crankshaft a few times by hand. This
defective housing.
Replace defective mounting
is
to
provide
with
hardware.
lubricating oil during initial engine
starting period.
3-15. Turbocharger for Engine Model D333TA
(4) Install turbocharger by reversing
the
a. General. This engine uses an exhaust gas
procedure in steps (1) through (3) above.
driven turbocharger. Energy ordinarily lost by the diesel
engine exhaust is used to drive the turbocharger. As the
CAUTION
engine starts, flow of gases from exhaust manifold is
Never operate the engine while the air
directed to turbine wheel. The turbine wheel and
cleaner and exhaust manifold, or
impeller are mounted on a common shaft. Gases
either,
is
disconnected
from
passing over turbine wheel force it and impeller to rotate,
turbocharger. Clothing, or damaging
with used gases exhausting through outlet to exhaust
objects
can
be
drawn
into
pipe and to the atmosphere. The impeller draws air
side,
damaging
through the air cleaner, compresses the air, then forces
compressor wheel, and discharged
it through after cooler to the inlet manifold and cylinder
carbon particles or hot exhaust gas
head. The air inlet manifold is cast as an integral part of
from turbine side can cause disabling
cylinder head (left side). The lower half of after cooler
injury to personnel.
core is enclosed by this portion of the head while the
upper half of core is housed by a cover.
The
turbocharger air outlet is connected to an opening at rear
of after cooler by an elbow (para 3-27).
b. Removal and Installation.
(1) Remove exhaust elbow and air cleaner
(TM 5-3810-201-12).
ME 3810-201-35/3-16
Figure 3-16. Turbocharger, removal and installation.
Figure 3-17. Turbocharger details (sheet 1 of 10).
(2) Disconnect vent line, oil supply line, and oil
return line then plug lines and cover ports.
AGO 20051A
3-20
