ARMY
TM 5-6115-612-34
NAVY
AG -320B0-MME-000
8-2.
COMBUSTION CHAMBER CASE ASSEMBLY.
(cont)
c.
Overhaul (cont)
(f)
Inspect combustion chamber for
carbon deposits. Clean in accordance with paragraph 8-
2b.
(g)
Inspect combustion chamber for
cracks. Replace if cracks are found.
(h)
Bend deflector tabs of combustion
chamber back to position (I) Replace combustion
chamber if tabs or washers are missing or broken.
(k)
Install combustion chamber on
turbine nozzle. The fit should be snug all around. If not,
replace
liner
(k)
Install
combustion
chamber
in
combustion chamber case. Chamber should fit snugly
on exhaust port. If chamber rotates easily, replace
chamber.
(10) Inspect
and
overhaul
related
combustion chamber case components.
(a)Inspect and replace or overhaul the
fuel injection nozzles in accordance with Chapter 5.
(b)
Replace igniter if threads are
damaged beyond repair or if insulator is burned,
chipped, or cracked.
(c)
Replace EGT thermocouple if
threads of terminals are damaged beyond repair or if
thermocouple has been broken insulators or a bent
sheath.
(11) Reassemble the combustion chamber
case assembly.
NOTE
Pay particular attention to detail during
assembly.
Maintain
all
fits
and
tolerances. If the unit is to be left for
even a short period in a partially
disassembled state cover, cap, or plug
all openings. Before assembling any
part,
make
certain
the
parts
is
thoroughly clean. Wipe all parts and
surfaces with a clean, lint-free cloth.
(a)
Aline
ignitor
openings
on
combustion chamber and combustion chamber case.
(b)
Slide combustion chamber (6,
Figure 8-3) into combustion chamber case (7).
(c)
Coat threads of alinement bolts
(4) with anti-seize compound, MIL-A-907. Insert
washers (5) and bolts (4) in combustion chamber case.
Torque to 25 35 inch pounds (2.83 3.96 Nm).
(d)
Apply anti-seize compound, MIL-
A907, to ignitor (1). Install washer (2.1), gasket (2), and
ignitor (1) in combustion chamber case.
(e)
Coat
threads
of
EGT
thermocouple (3) with anti-seize compound, MIL-A-907,
and install thermocouple (3).
(f)
Coat threads of bolts (6, Figure 8-
4) with anti-seize compound, MIL-A-907. Install nozzle
covers (1 0) and fuel nozzles (8). Secure with washers
(7) and bolts (6). Torque to 20 25 inch pounds (2.26
2.83 Nm) and lockwire bolts using MS20995-C20 and
lockwire nuts using MS20995-C32.
8-16 Change 4
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