Compressed Air Piping System Shutdown

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FIGURE 2-230. Auxiliary Machinery Motor Control Center.

TM-55-1905-223-10 Landing Craft Utility (LCU 200 Class) NSN 1905-01-154-1191 Manual

FIGURE 2-231. Compressed Air Piping System (Sheet 1 of 5).

TM 55-1905-223-10

2-40. Compressed Air Piping System Shutdown (FIGURE 2-231).

a. Press STOP Push Button on each air compressor.

b. Slowly open AIR RECEIVER DRAIN VALVES (42 and 45). Allow compressed air system to drain

c. When all air pressure has been relieved, close AIR RECEIVER DRAIN VALVES (42 and 45)

d. Close all open valves in the compressed air system.

2-41. Emergency Generator and Switchboard Shutdown.

a. On Emergency Generator Diesel Control Panel (FIGURE 2-232), set RUN-OFF-AUTO switch (1) to

OFF position.

b. On Emergency Switchboard (FIGURE 2-233), set all circuit breakers to OFF position.

2-42. Ship Service Diesel Generator Shutdown.

a. On Main Switchboard (FIGURE 2-234), press TRIP Push Button (1) and TRIP Push Button (2).

b. On Main Switchboard, set all circuit breakers to OFF position; set all other switches of OFF position

as required.

On port and starboard Ship Service Diesel Generator and Control Panel (FIGURE 2-235), set

EXCITATION switch (1) to OFF position.

d. Set IDLE RUN switch (2) to IDLE position.

e. Allow diesel to run for 3 minutes then set IDLE RUN switch (2) to OFF position.

f. Close all valves in Fuel Oil Filter, Transfer, and Supply Piping System (FIGURE 2-236).

g. Close all valves in SSDG Fresh Water Cooling Piping System (FIGURE 2-237).

2-43. Fire Main and Foam Piping System Shutdown (FIGURE 2-238).

a. Operate and shutdown FOAM station No. 2 (pilothouse top) in accordance with paragraph 2-7d(2).

b. Operate and shutdown fire monitors.

(1) Close FM-24, PORT FOAM MONITOR ISLN (11).

(2) Close FM-23, STBD FOAM MONITOR ISLN (12).

(3) Observe flow until sea water is output.

(4) Close isolation valve at monitor.

Change 2 2-604