TM 55-1730-229-34
AG 320A0-MME-000
TO 35 C2-3-473-2
TM 1730-34/1
located within 0.040 inch of the true
2. Check forward cooling
position established by datums D, A and
ring (6) for conformance to limits
specified for dimensions AM and AN at
c.
section M-M.
(h) Check shield (4) for freedom
of movement. Shield shall have 0.005 to
3. Check cooling ring (10)
0.025 inch movement as shown by dimen-
and aft cooling ring (6) for maximum
sion AH.
clearance gap as specified at dimension
AK.
(k) Butt weld dome (7) or duct
(i) Perform fluorescent pene-
trant inspection in accordance with MIL-
half (9) onto body (11) by fusion arc
I-6866, Type I, Method A.
welding with gas backup using Hastelloy
X filler rod (AMS5798) in accordance
with MIL-W-6858. Melt weld through on
duct half (9).
(5) Replace damaged tab (5) as
follows:
(l) Machine weld to 0.00 to 0.03
inch above surface.
(a) Hand machine weld to remove
dome (7) from body (11).
(m) Perform fluorescent pene-
trant inspection in accordance with MIL-
(b) Locate and machine through
welds to remove damaged tab (5).
I-6866, Type I, Method A.
(4) Replace damaged shield (4) and
(c) Deburr and hand grind to re-
move excess weld.
retainers (2, 3) as follows:
(a) Hand grind weld as required
(d) Clean area prior to welding
with clean, lint-free cloth dampened
to remove retainers (2, 3).
with methanol 0-M-232 or equivalent.
(b) Remove shield (4).
(e) Position tab (5) onto dome
(c) Blend excess weld on dome
secure and plug weld to dome (7) by fu-
(7).
sion arc welding with gas backup using
Hastelloy X filler rod (AMS5798) in ac-
(d) Clean area prior to welding
with clean, lint-free cloth soaked with
cordance with MIL-W-6858.
methanol 0-M-232 or equivalent.
(f) Position and butt weld onto
body (11) by fusion arc welding with gas
(e) Install shield (4) into dome
backup using Hastelloy X filler rod
(7).
(AMS5798) in accordance with MIL-W-6858.
(f) Position retainers (2, 3)
onto dome (7) as shown on section B-B
(g) Machine weld to 0.00 to 0.03
inch above surface.
Fillet weld retainers (2,
and secure.
3) to dome (7) by fusion arc welding
with gas backup using Hastelloy X filler
rod (AMS5798) in accordance with MIL-W-
(6) Repair cracks as follows:
6858.
(a) Stop drill crack ends with
number 60 drill to prevent progression
(g) Check for true position to
of cracks.
Retainers shall be
retainers (2, 3).
9-19