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 TM 55-1925-273-10-1
0008 00
1.
Fire flap (figure 9, item 1). The fire flap can be manually closed in an emergency to deny oxygen to the space.
2.
Fire extinguisher (figure 9, item 2). The portable fire extinguisher is used to put out small fires on the vessel.
3.
Emergency switchboard (figure 9, item 3). The emergency switchboard controls various emergency electrical circuits
throughout the vessel.
4.
Fuel oil day tank (overhead) (figure 9, item 4). The fuel oil day tank stores fuel oil for the emergency diesel generator
engine.
5.
Intercom (above), sound powered telephone (middle), and telephone storage box (below) (figure 9, item 5). The
intercom, sound powered telephone, and telephone storage box provides communication to the rest of the vessel.
6.
Battery box vent to atmosphere (figure 9, item 6). The battery box vent vents explosive gases from the battery box to the
atmosphere.
7.
Battery box (figure 9, item 7). The battery box contains starting batteries for the Emergency Diesel Generator (EDG).
8.
Vent trunk (figure 9, item 8). The vent trunk provides a junction where vents from other spaces interconnect.
9.
EDG starting battery switch (figure 9, item 9). This switch selects which battery bank starts the EDG.
10. Battery charger (figure 9, item 10). The battery charger maintains the battery charge when the engine is at rest.
11. Air intake supply vent (figure 9, item 11). This vent provides intake air to the diesel engine.
12. Emergency diesel generator set (figure 9, item 12). The emergency diesel generator set provides electrical power to the
vessel's emergency circuits in the event of the ship's service diesel generator failure.
13. Transformers (overhead) (figure 9, item 13). The transformers step down 440 Vac to 120 Vac.
14. 120V emergency load center distribution panel (figure 9, item 14). This panel controls the distribution of electrical
power to the vessel's 120V emergency lighting and distribution panels as well as to the general alarm battery charger
and the EDG jacket water heater.
END OF WORK PACKAGE
00080008 00-13
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