TM 55-2840-231-23
2-10.2 Compressor Stator Vane - Inspection - Continued
COMPRESSOR/-
Continued
AIRFOIL SURFACE NICKS AND DENTS
OUTER 1/2 OF VANE
MAX DEPTH OF 1/4 AIRFOIL THICKNESS AFTER
BLEND. MAINTAIN 3/64 IN. (1.2 MM) MIN BOTTOM
RADIUS ON ALL BLENDING. MAX OF TWO
BLENDS PER VANE AND BLENDS MUST NOT
BE IN LINE PARALLEL WITH CASE CENTER
LINE.
7. Vane Airfoil Surface
Refer to paragraph 2-11.
8. Vanes
2-36.6
Change 11
INNER 1/2 OF VANE
MAX DEPTH OF 112 AIRFOIL THICKNESS AFTER
BLENDING. MAINTAIN 3/64 IN. (1.2 MM) MIN
BOTTOM RADIUS ON ALL BLENDING. BLENDS
MUST NOT BE IN LINE PARALLEL WITH CASE
CENTER LINE.
Inspect for nicks and
dents on vane airfoil
surface. All damage and
imperfections must be
blended out. Blended area
must be within the limits
shown in figure above.
Inspect for bent vanes.
Bent vanes are not
acceptable. Replace
compressor case halves
and inspect rotor.