TM 55-2840-254-23
2-33 INSPECT COMPRESSOR ROTOR BLADES (Continued)
2-33
8. Inspect centrifugal impeller (120) as follows:
a. Inspect critical area (121). There shall be no
cracks or nicks. There shall be no bends or
distortion. There shall be no dents with
sharp edges. There shalI be no smooth-edged
dents (122) deeper than 0.010 inch or larger
than 0.030 inch in diameter.
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