TM55-2840-251-23
9-1
PROPELLER GEARBOX (Continued)
9-1-3 REPAIR
WARNING
Acids are injurious. Wear protective
clothing and goggles when handling. If
injury occurs, get medical attention.
1.
Remove any damaged stud and fit a suitable
replacement.
2.
Clean up any minor burrs, nicks or corrosion with
Crocus Cloth (E.41) and Lubricating Oil (E.2) or (E.71).
3.
Swab cleaned-up areas using chemical resistance
gloves and wearing eye goggles with Chromic Acid
(E.43) solution.
4.
Touch-up damaged paint with Enamel (E.44).
9-1-4 INSTALLATION
1.
Install packings (4), (5) and (6) to power turbine
shaft housing (3).
2.
Assemble power turbine shaft housing (3) to
propeller gearbox (2) with nuts (1).
3.
Torque nuts to 75 to 85 inch-pounds .
FOLLOW ON MAINTENANCE
Installation Exhaust Duct (Task 4-7-4)
Installation Power Turbine Rotor Assembly (Task 4-4-3)
Installation Power Section (Task 4-1-2)
END OF TASK
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