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 TM 55-1905-223-24-18-1
MAINTENANCE OF PROPELLER SHAFT ASSEMBLY
2-305.
Inspect/Test Propeller Shaft Assembly.
a. Inspection, b. Test.
This task covers:
INITIAL SETUP
Tools
Main propulsion engines (port and
Tool kit, general mechanic's,
starboard) shut down. Refer to
TN 55-1905-223-10.
Torque wrench kit, 3377216
Starting air and control air valves
to main propulsion engines (port and
Materials/Parts
starboard) closed and tagged "Out of
Service - Do Not Operate."
Warning tags, Item 1, Appendix C
INSPECTION
Close starting air and control air valves for main propulsion engines (port
a.
and starboard) and tag "Out of Service - Do Not Operate."
Visually inspect the port and starboard propeller shaft (1, FIGURE 2-227)
b.
inside the vessel hull for straightness or structural cracks. I f t h e
propeller shaft is found to be bent or have structural cracks, maintenance by
s h i p y a r d facility is required. Notify your supervisor.
Visually inspect the port and starboard expander tube brake (2) as follows:
c.
(1) Check for obvious defects on the brake drum (1, FIGURE 2-228) surface such
as grooves or worn areas.
(2) Check socket head capscrews (8), lockwashers (7) and hexagon nuts (6)
securing brake element support brackets (3) to brake mounting support
brackets (4) for security. If loose, use a torque wrench and tighten
bolts to 600 ft-lb torque.
(3) Check the brake elements (2) for obvious defects such as loose or broken
parts. If loose or broken parts are observed, repair brake elements in
accordance with paragraph 3-174.
2-908
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