TM 55-2840-231-23
2-10.2 Compressor Stator Vane - Inspection
INITIAL SETUP
Applicable Configuration
References
All
Para 2-9 and 2-11
COMPRESSOR/
1. Stator Vanes
Visually inspect compressor stator vanes for
Replace compressor
the following conditions.
assembly if any of the
stator vanes are missing
or if a vane tip has
NOTE
rubbed.
This inspection requires removal of a
compressor case half and shall be
performed only for the reasons stated
in paragraph 2-9.
NOTE
If FOD is detected refer to paragraph
1-44.
2. Stator Vanes
3. Vane Tips
4. Vanes
5. Vanes (stages 3 through
6)
Inspect for cracked or
missing stator vanes -
none are permitted.
Rub is indicated by smeared metal on the
Inspect vane tips for
vane tip associated with a burr on the convex
evidence of rub. None are
side or by heat discoloration on the vane.
permitted. Replace the
compressor if rub is
indicated.
Refer to paragraph 2-11.
Inspect for evidence of
corrosion on the vanes.
There must be no
evidence of pitting on
outer one-half of the
vane. After polishing to
remove corrosion, pitting
in any area of the vane
that forms a definite line
is not acceptable.
Inspect for erosion on the
airfoil surface in vane
stages 3 through 6. The
major thickness of the
airfoil must not be less
than 0.020 in. (0.051 cm).
Change 11
2-36.3
