TM 1-2840-252-23-2
SECTION X
THIRD STAGE POWER TURBINE ROTOR
4-51
INITIAL SETUP
Equipment Condition:
Off Engine Task
Applicable Configurations:
All
Engine Oil System Drained (Task 1-69)
Combustion Section and Power Turbine Removed
Tools:
Powerplant Mechanic's Tool Kit,
Combustion Section and Power Turbine Disas-
NSN 5180-00-323-4944
sembled (Task 3-6)
Goggles
Thermocouple Harness Assemblies Removed
Dry, Compressed Air Source
Third Turbine Nozzle and Support Removed (Task
Materials:
Gloves (E24)
Denatured Alcohol (E17)
No 4 and 5 Bearing Package Seals Removed
Personnel Required
:
Aircraft Powerplant Repairer:
Fourth Stage Power Turbine Nozzle Removed
1
Remove vexar nylon webbing from shaft journal area
(1).
NOTE
Do not remove matchmarks
Wear gloves (E24) and goggles. Clean third stage
2
power turbine rotor (2)using denatured alcohol
(E17) and brush.
WARNING
When using compressed air for cleaning, use
approved protective equipment for eyes and
face. Do not use more than 0 psig air pressure.
3
Do not direct air toward yourself or another
person. Failure to comply could result in injury
to eyes or skin. In case of injury, get medical
attention.
Wear goggles. Blow dry third stage power turbine
3
rotor (2) using clean, dry, compressed air.
FOLLOW-ON MAINTENANCE
Inspect Third Stage Power Turbine Rotor (Task 4-52).
END OF TASK
