MARINE CORPS TM 6115-34/8
MAINTENANCE OF ENGINE EXHAUST
(figure 9-1) provides the means for
exhaust gases to be discharged from the
It consists of an
insulated exhaust duct and an exhaust
nozzle mounted in the exhaust fender of
the generator set.
The exhaust nozzle
is secured to the engine exhaust with a
from the engine
exhaust to the lower entrance of the
exhaust gases from the engine into the
As the hot exhaust gas
passes from the nozzle into the exhaust
a vacuum is created that draws
cooler air from outside the generator
set through the oil cooler housing and
the exhaust fender louvers. The cooler
air mixes with the exhaust and lowers
travels up the exhaust duct, out the
and into the atmosphere.
The exhaust duct has two baffles and is
that lowers exhaust noise and reduces
exhaust fender temperatures.
EXHAUST DUCT ASSEMBLY.
To prevent injury, do not perform
maintenance on hot components.
Allow adequate time for cooling.
(1) Remove screws (1, figure 9-2)
and lockwashers (2), exhaust door (3).
(2) Remove screws (4), washers
fender panel (7).
(3) Remove screws (8), washers
(9), and exhaust duct liner (10) from
(4) Remove bolts (11), washers
lockwashers (13), and exhaust
duct end panel (14).
thermal insulation (15).
(5) Remove bolts (16), washers
lockwashers (18), and exhaust
inner side panel
sound/ thermal insulation (20).
(6) Remove bolts (21), washers
lockwashers (23), and exhaust
duct outer side panel (24).
sound/ thermal insulation (25).
(7) Remove bolts (26), washers
exhaust baffle (29).
Inspection and Repair.
Remove dents and weld cracks
(2) Inspect sound/thermal insula-
tion and replace if badly torn, com-
pacted, or otherwise damaged.
(1) Install outer exhaust
Secure with lockwashers
washers (27), and bolts (26).
(2) Install sound/thermal insula-
tion (25) on front of exhaust liner.
Install exhaust duct outer side panel
Secure with lockwashers (23),
washers (22), and bolts (21).