TM 1-2840-252-23-2
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INSPECT THIRD STAGE POWER TURBINE ROTOR (AVIM) (Continued)
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c. Inspect shaft (20).
(1) There shall be no cracks.
(2) Inspect shaft journal area (21) There shall be no
pitting or nicking The outside diameter shall not
be worn to less than 2.0425 inches.
(3) Inspect splines (22 and 23) (Ref Task 1-109).
There shall be no wear deeper than 0.007 inch
on spline (22) and 0.005 inch on spline (23).
(4) Inspect labyrinth seal (24) for cracks.
(5) Inspect shaft journal area (25) The outside
diameter shall not be worn to less than 2.5588
inches.
2. Install vexar nylon webbing (E62) (26) over shaft journal
area (21).
FOLLOW-ON MAINTENANCE
None
END OF TASK
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