TM55-2840-251-23
4-3 POWER TURBINE STATOR ASSEMBLY (AVIM) (Continued)
4-3-1 REMOVAL
Lift stator assembly (1)
from stator housing (2).
4-3-2 INSPECTION
1. Inspect stator assembly for:
a. Erosion or pitting in
vane surfaces exceeding 0.250
inch square, 0.010 inch deep.
b. Cracks in vane leading/
trailing edges over 0.400 inch in
length.
c. Cracks in outer ring
over 0.600 inch in length.
d. Cracks in inner ring
over 0.400 inch in length.
2. Damage not exceeding these
limits is acceptable without
repair. The assembly shall be
rejected if the limits are
exceeded.
4-3-3 INSTALLATION
Place stator assembly (1) in
stator housing.
FOLLOW ON MAINTENANCE:
Installation Thermocouple Probes
(Task 7-7-4)
Installation Thermocouple Busbar
(Task 7-6-4)
Installation Thermocouple Harness
(P/N 3012150) (Task 7-5-5)
Installation Power Turbine Case
Sealing Ring(s) (Task 4-8-3)
Installation Power Turbine Stator
Housing (Task 4-2-3)
Installation Power Section
(Task 4-1-2)
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