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 TM 55-1925-273-10-1
0003 00
5.
Fuel oil tank 4P vent and spill container (figure 1, item 5). The fuel oil tank 4P vent vents fuel oil tank 4P to weather.
The spill container contains spillage from accidental overfilling.
6.
Cleat (figure 1, item 6). The cleat is used to secure lines. It maintains lateral control of the towing machine wire rope
by providing an attachment point for the hawsing strap.
7.
Flush manhole (figure 1, item 7). The flush manhole provides access to the void and the fuel oil tanks.
8.
Tow gear locker natural air vent (figure 1, item 8). This vent provides fresh air ventilation to the port side of the tow
gear locker.
9.
Fuel oil tank 4P cutoff valve (figure 1, item 9). This valve provides remote cutoff for fuel oil tank 4 port.
10. Ballast tank 2P vent (figure 1, item 10). This vent provides ventilation for the port aft ballast tank.
11. Fuel oil tank 4P sounding tube (figure 1, item 11). This sounding tube permits measurement of the fuel level in fuel oil
tank 4 port.
12. Hatch (figure 1, item 12). The hatch provides access to towing gear locker.
13. H-bitt (figure 1, item 13). The H-bitt fixture is used to secure the towing hawser.
14. Tow pin control (figure 1, item 14). The tow pin control raises and lowers the tow pins.
15. Double bitt (figure 1, item 15). The double bitt is used to secure (moor) the Large Tug (LT). The double bitt is also used
for ship handling.
16. Towing machine (figure 1, item 16). The hydraulically powered towing machine is used for towing other vessels and
barges.
17. Countermeasure washdown sprinkler (figure 1, item 17). This sprinkler uses raw water for removing Nuclear, Biologi-
cal and Chemical (NBC) contamination from exterior surfaces.
18. Sound powered telephone with stowage (figure 1, item 18). The sound powered telephone is used for intraship commu-
nications.
19. High level sea chest vent (figure 1, item 19). The high level sea chest vent allows trapped air to be released to the
atmosphere.
20. Portable water fill connection (figure 1, item 20). This connection permits filling of the potable water tanks from a
shore supply source.
21. Sewage shore connection (figure 1, item 21). This quick disconnection is used for sewage transfer to shore facilities.
22. Port shaft seal vent (figure 1, item 22). This vent vents the port shaft seal to weather.
23. Vent trunk (figure 1, item 23). The vent truck provides ventilation to the fan room.
24. Watertight door (figure 1, item 24). This door provides access to the fan room.
25. Shore power connection (figure 1, item 25). This connection provides a power connection from the shore to the vessel.
26. Fire station 4 (figure 1, item 26). The firefighting station uses raw water for firefighting. The firefighting station is
equipped with 50 feet (15.24 m) of 1-1/2 inch hose and an all-purpose nozzle.
27. Watertight door (figure 1, item 27). This door provides access to the vestibule.
0003 00-2
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