TM 1-2840-252-23-2
4-53
INITIAL SETUP
Materials
Carborundum Stone (E11)
Crocus Cloth (E16)
Applicable Configurations:
All
Personnel Required:
Aircraft Powerplant Repairer
Tools:
Powerplant Mechanic's Tool Kit,
Aircraft Powerplant Inspector
NSN 5180-00-323-4944
Equipment Condition:
Technical Inspection Tool Kit,
Off Engine Task
NSN 5180-00-323-5114
1. Repair third stage power turbine rotor (1as follows:
)
a. Repair disc (2).
(1) Blend repair pits, nicks and rubs up to 0.010
inch deep except in area (3) where material has
been removed for balancing. Use carborundum
stone (E11) Polish to smooth finish Use crocus
cloth (E16).
(2) Polish indents in pin head area (4) up to 0.005
inch deep Use crocus cloth (E16) to polish to
smooth contour.
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