TM 55-2840-254-23
4-34 CLEAN FOURTH STAGE POWER TURBINE ROTOR (AVIM)
4-34
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powerplant Mechanic’s Tool Kit,
NSN 5180-00-323-4944
Goggles
Compressed Air Source
Materials:
Dry Cleaning Solvent (E17)
Gloves (E20)
Personnel Required:
68B10 Aircraft Powerplant Repairer
Equipment Condition:
Off Engine Task
Exit Vane Assembly Removed (Task 4-78)
Fourth Stage Power Turbine Rotor Removed
(Task 4-33)
General Safety Instructions:
Dry cleaning solvent (E17) is flammable
and toxic. It can irritate skin and cause
burns. Use only in well-ventilated area,
away from heat and open flame. In case
of contact, immediately flush skin or
eyes with water for at least 15 minutes.
Get medical attention for eyes.
NOTE
Do not remove matchmark during clean-
ing.
1. Wear gloves (E20). Clean fourth stage turbine
rotor (1) with dry cleaning solvent (E17) and
brush.
When using compressed air for cleaning,
use approved protective equipment for
eyes and face. Do not use more than
30 psig air pressure. Do not direct air
toward yourself or another person. Fail-
ure to comply could result in injury to
eyes or skin. In case of injury, get medi-
cal attention.
2. Wear goggles. Blow dry fourth stage turbine
rotor (1) using clean, dry compressed air.
FOLLOW-ON MAINTENANCE:
Inspect Fourth Stage Power Turbine Rotor
(Task 4-35).
END OF TASK
4-158
