TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
cracks, distortion,
or
damaged
threads
are allowed.
a. Remove.
(See figure 4-70.)
(1) Tag electrical connections (5)
(2) Inspect combustion chamber cap
to hourmeter.
(7) for cracks, deformation, and damaged
threads.
No cracks, deformation, or
(2) Disconnect electrical connec-
damaged threads are allowed.
tions (5) from hourmeter (8) by removing
two screws (6).
(3) Inspect combustion chamber for
(3) Remove four screws (7) from
conformance to the following require-
hourmeter (8) and remove hourmeter from
ments.
Replace combustion chamber if
bracket.
the inspection requirements are not met.
(Refer to figure 4-72.)
b.
Install.
(See figure 4-70.)
(I) Position hourmeter (8) in
(a) Check for cracks (1) in ig-
bracket and secure with four screws (7).
niter grommet retain welds or retainer.
Tighten screws to a torque value of 35
No cracks allowed.
inch-pounds.
(b) Check for metal thinning
(2) Attach electrical connections
Notify maintenance supervisor if
(2).
(5) to hourmeter using two screws (6).
metal thinning below 0.016 inch due to
corrosion or erosion is indicated.
COMBUSTOR ASSEMBLY.
(c) Check for cracks (3). No-
tify maintenance supervisor if cracks
a. Remove.
(See figure 4-71.)
separated by less than 0.25 inch are
indicated.
(1) Disconnect fuel line (1) from
fuel nozzle (5).
(d) Check for cracks (4) at
tabs.
No cracks allowed.
(2) Remove igniter plug (paragraph
(e) Check for cracks (5) which
graph 4-98).
could cause material breakaway. Notify
maintenance supervisor if cracks are in-
dicated.
(3) Remove nut (2) and clamp (3),
then remove combustor assembly from en-
gine.
(f) Check for distortion (6) of
Cooling ring distortion
cooling ring.
(4) Remove bolts (4), fuel nozzle
greater than one-half of normal gap not
allowed.
(5), and gasket (6) from combustion
chamber cap (7).
(g) Check for deformation (7).
(5) Separate combustion chamber
Deformation greater than 0.125 inch not
allowed.
cap (7) from combustion chamber (8).
b.
Inspect.
(See figure 4-71.)
(h) Check for cracks (8) con-
Notify main-
necting any two holes.
(1) Inspect clamp (3) for cracks,
tenance supervisor if cracks are in-
distortion, and damaged threads. No
dicated.
