TM 55-2840-254-23
Attaches directly to air diffuser assembly and fits around major portion of turbine section. Provides area
for combustion and air expansion. Also has provisions for draining overboard unburned fuel left in com-
bustor housing.
A
COMBUSTION CHAMBER HOUSING. Forms outer wall and is major support for combustion
section and power turbine. Provides mounting surfaces for main fuel manifold,
fire shield, flow divider, spark igniters, and start fuel nozzles.
COMBUSTION CHAMBER LINER. Mounts inside combustion chamber housing. Contains holes
B
to let a controlled amount of air to enter the liner. Fuel is also fed into the
liner where combustion takes place.
C
COMBUSTION CHAMBER VANES. Mount in combustion chamber housing. Work in conjunction
with straightening vanes in air diffuser to remove air swirl and distribute air
properly in combustion section.
DRAIN VALVE ASSEMBLY. Two, mounted at bottom of combustion chamber housing. Spring
D
normaly holds valve open. With engine running, internal engine pressure pushes
valve closed. With engine stopped, valve opens and unburned fuel in combus-
tion chamber housing drains out.
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