TM55-2840-251-23
Section I PROPELLER GEARBOX
9-1
PROPELLER GEARBOX
This task covers:
a.
Removal (9-1-1)
c.
Repair (9-1-3)
b.
Inspection (9-1-2)
d.
Installation (9-1-4)
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powertrain Mechanic's Tool Kit
NSN 5180-00-003-5267
Torque Wrench (0 to 100 inch-
pounds)
Lifting Eye (T.9)
Materials:
Lubricating Oil (E.2) or (E.71)
Crocus Cloth (E.41)
Chromic Acid (E.43)
Enamel (E.44)
Chemical Resistance Gloves (E.82)
Parts:
Packings
Personnel Required:
68D Powertrain Mechanic
66G Aircraft Inspector
References:
TM55-2840-251-23P
Equipment Condition:
Power Section Removed
(Task 4-1-1)
Power Turbine Rotor Assembly
Removed (Task 4-4-1)
Exhaust Duct Removed
(Task 4-7-1)
General Safety Instructions:
WARNING
LUBRICATING OILS HAZARDOUS
Lubricating Oils (E.2) and (E.71) contain materials
hazardous to health. They can cause paralysis if
swallowed. Prolonged contact with skin can cause
irritation. Fire can result if exposed to heat or flames.
Use only in areas with adequate ventilation. Wash
hands thoroughly after handling.
WARNING
Acids are injurious. Wear protective clothing and
goggles when handling. If injury occurs, GET MEDICAL
ATTENTION.
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9-3
