TM 55-2840-254-23
4-69 INSPECT FIRST TURBINE NOZZLE (AVIM) (Continued)
4-69
3. Inspect baffle (44). There shall be no cracks.
4. Inspect seal (45) as follows:
a. Inspect seal (45). There shall be no cracks.
b. Inspect tangs (46). They shall not be broken
or bent.
NOTE
Sides of fins need not be parallel or
straight. Waviness is permitted.
c. Inspect fins (47). There shall be no rubbing
or wear which causes fins to touch each other.
5. Inspect seal ring (48) as follows:
a. Inspect seal ring (48). There shall be no cracks.
NOTE
Sides of fins need not be parallel or
straight. Waviness is permitted.
b. Inspect fins (49). There shall be no rubbing
or wear which causes fins to touch each other.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
4-444
