TM55-2840-251-23
Section IV POWER TURBINE ROTOR ASSEMBLY
4-4 POWER TURBINE ROTOR ASSEMBLY (AVIM)
This task covers:
a. Removal (4-4-1)
b. Inspection (4-4-2)
c. Installation (4-4-3)
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powerplant Mechanic's Tool Kit
NSN 5180-00-323-4944
Torque Wrench (O to 700 inch-
pounds)
Protector (T.19)
Puller (T.31)
Wrench (T.54)
Spreader (T.47)
Squeezer (T.48)
Outside micrometer
(0 to 10 inch)
Materials:
Molykote M77 (E.21)
Parts:
Keywasher
Personnel Required:
68B Powerplant Mechanic
66G Aircraft Inspector
References:
TM55-2840-251-23P
Equipment Condition:
Power Section Removed
(Task 4-1-1)
Power Turbine Stator Housing
Removed (Task 4-2-1)
Exhaust Duct Removed
(Task 4-7-1)
General Safety Instructions:
WARNING
·
When handling combustion
chamber internal parts
that have been exposed to
fuels containing tetra-
ethyl lead, insure that
the byproduct (poisonous
lead oxide) is not inhaled
or taken into the body
through cuts or other
external openings.
·
If accidental exposure
occurs, drench affected
area with large amounts of
clear water and obtain im-
mediate medical attention.
·
Gloves and goggles shall
be worn at all times when
handling contaminated
parts.
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