ARMY
TM 5-6115-612-34
MARINE CORPS TM 6115-34/8
AIR FORCE
TO 35C2-3-471-2
NAVY
AG-320BO-MME-OOO
8-2. COMBUSTION CHAMBER CASE ASSEMBLY.
(cont)
a.
Removal. (cont)
(3) Remove
starter
(paragraph
4-32b, TM 5-6115-612-12).
CAUTION
To prevent damage,
box.
(4) Insert block
by 1-1/2 in. by 4 in.)
support gear-
of wood (3/4 in.
under gearbox.
(5) Remove capscrew (1, figure
8-1), lockwasher (2), and rear spacer
(3).
CAUTION
To prevent loss or damage, tag
and wire together spring washers.
(6) Remove nut (4), washer (5),
and spring washers (6).
Wire together
spring washers in same order as removed.
(7) Remove washer (7),
spacer
(8), and rim clenching clamp (9).
CAUTION
To prevent damage, do not use
lead or wax-base
pencils for
marking on high temperature alloy
parts.
Carbon/wax in pencils can
damage parts.
Use felt pens or
grease-base pencils.
(8) Matchmark combustion chamber
case (10) to compressor inlet housing
(11).
(9) In disassembly fixture, ro-
tate engine to a vertical position.
(a) Attach
fabricated
tool
FT-21519 (figure 8-2) to exhaust flange
using exhaust rim clenching clamp.
(b) Grasp movable weight and
push weight vigorously into stop at top
of tool.
Repeat until case separates
from compressor inlet.
(10) Disassemble combustion cham-
ber case assembly (paragraph 8-2c).
b. Cleaning
and Inspection. Dis-
assemble combustion chamber case as-
sembly in
accordance with paragraph
8-2c.
(1) Soak combustion chamber case
in soap solution and steam clean.
(2) Soak combustion chamber in
soap solution, steam clean, and glass
bead.
(3) Check rim clenching clamp for
cracks
and
integrity of
all
spot
welds.
Replace clamp if any faults are
found.
(4) Check T-bolt of rim clenching
clamp for distortion.
Replace T-bolt
if distorted.
(5) Check
dimensions of
com-
bustion chamber case in accordance with
table 1-1.
Replace combustion chamber
case
if dimensions
are
outside ac-
ceptable tolerance.
(6) Check both flanges of com-
bustion chamber case for warpage.
(7) Check
for
cracks,
nicks,
dents, or evidence of chafing on com-
bustion chamber case.
(8) Check exhaust duct area of
combustion chamber case for deformation
of sealing face.
(9) Check for damaged threads on
combustion chamber case.
8-8
