TM 55-1730-229-34
AG 320A0-MME-000
TO 35 C2-3-473-2
TM 1730-34/1
(1) Hand finish to remove cracks
by blending and fairing to blade con-
tour.
or feathering not more than 0.060 inch
deep on trailing edge of vanes. Rework
of one or more vanes may be preformed
without reworking all vanes. Remove an
(3) Repair radial shroud rub less
identical amount of material from all
than 0.030 inch deep by blending with
vanes when cracks or feathering require
adjacent surface using abrasive cloth
P-C-451.
material removal 0.060 to 0.130 inch
deep.
(4) Clean entire area with glass
beads (Screen No. 100-230) (130 grit,
(2) Repair erosion of vane leading
Class IV, Size AF or AG).
edge that is less than 0.125 inch deep
Section II. ASSEMBLY
INSTRUCTIONS. This
9-11. GENERAL
b. Cleaning. If any parts are
coated with corrosion-preventive com-
section provides procedures for the as-
pound, all traces of this compound and
sembly of the engine after a detailed
hot section inspection. The engine is a
any accumulated foreign matter shall be
All parts shall be thoroughly
removed.
precision unit.
All parts and
clean before assembly.
employed during assembly shall conform
surfaces shall be wiped with a clean
to the highest precision shop standard.
lint-free cloth.
Fits and tolerances shall be maintained.
a. Protection of Components. Ex-
c. Special
Measurements. When
special measurements for shimming or
treme care shall be exercised to prevent
fitting are made on parts or on assemb-
dirt, dust or foreign particles from
entering the unit. If any foreign par-
led parts prior to their installation in
ticle is dropped into the unit during
the next higher assembly, these parts
assembly, assembly shall be stopped un-
shall be tagged as measured components
til the foreign particle is located and
of the higher assembly and kept with
that assembly. If damage or other rea-
removed, even if this may cause consid-
erable disassembly.
For added protec-
son causes replacement of a measured
tion, large openings shall be covered
component, all measurements which in-
with tape and cardboard, small openings
clude that part shall be repeated using
the new part.
with tape or a clean cloth. Open tube
ends shall be capped or plugged. Open-
d. Use of Force. Extreme force
ings on fuel system components shall not
be taped; caps, plugs or similar cover-
shall never be used in assembly of the
If difficulty is encountered,
ings shall be used. If the unit is to
engine.
be left for even a short period in a
the unit shall be disassembled and in-
partially disassembled state, all open-
spected for burrs or other interfer-
ings shall be covered.
ences.
e. Safety Fastening Methods. Cer-
NOTE
tain attaching parts are locked using
lockwire. Duplicate lockwiring as noted
Lockwiring shall
Materials and compounds used in
during disassembly.
Unless otherwise
conform to MS 33540.
assembly may be substituted with
specified, use lockwire MS 20995C32.
equivalent products.
9-35
