TM 55-2840-254-23
4-35 INSPECT FOURTH STAGE POWER TURBINE ROTOR (AVIM)
4-35
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit,
NSN 5180-00-323-5114
Materials :
None
Personnel Required:
68B30 Aircraft Powerplant Inspector
Equipment Condition:
Off Engine Task
1. Inspect fourth stage power turbine rotor (1) as
follows:
a. Inspect disc (2).
(1)
There shall be no cracks.
(2)
There shall be no burns.
(3)
There shall be no nicks or rubs deeper
than 0.010 inch. This limit does not ap-
ply to area (3) where material has been
removed for balancing.
(4)
There shall be no loose or cracked pins
(4).
GO TO NEXT PAGE
(4-159 blank)/4-160