TM 1-2840-252-23-2
4-52
INITIAL SETUP
Personnel Required:
Aircraft Powerplant Inspector
Applicable Configurations
All
References:
Task 1-109
Tools:
Technical Inspection Tool Kit,
Equipment Condition:
NSN 5180-00-323-5114
Off Engine Task
Outside Micrometer Caliper Set
Materials:
Vexar Nylon Webbing (E62F
Inspect third stage power turbine rotor (1as
)
1.
follows:
Inspect disc (2).
a
(1)
There shall be no cracks
(2)
There shall be no burns
(3)
There shall be no loose or cracked pins
(3)
(4)
There shall be no pitting, nicks or rubs
deeper than 0.010 inch. This limit does
not apply to area (4) where material has
been removed for balancing.
(5)
Inspect pin head area (5). There shall be
no indents deeper than 0.005 inch. There
shall be no indents which do not have a
smooth contour. There shall be no
cracks.
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