3-204. Repair Expander Tube Brake.
This task covers:
INITIAL SETUP :
Tool kit, general mechanic's,
Main engine shut down. Refer to
Control air and starting air valves to
main engine closed (TM 55-1905-223-
24-10) and tagged "Out of Service -
Brake element P/N 145821HA
Do Not Operate."
Safety release valve P/N P52935-3
Friction shoe assemblies P/N 406165
General Safety Instructions
Flat springs P/N 301832
Brake drum P/N 2221-1
Rubber actuating butt end tubes
Warning tags, Item 1, Appendix C
Ensure control air and starting air
Medium grit sandpaper, Item 9,
valves to main engine are closed prior
to maintenance. Escaping air pressure
Block wood, Item 10, Appendix C
can cause injury to eyes.
Never replace friction shoe assemblies
If one lining is bad,
replace all linings to ensure correct
Ensure starting and control air valves to main engines are
closed (TM 55-1905-223-24-1O) and tagged "Out of Service -
Do Not Operate." Brake element support brackets must be
removed, and shaft supported with a sling in accordance with
a. Remove brake element side plate.
(1) Mark side plate (7, Figure 3-191) and brake element rim (9) to ensure assembly in same