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 TM 55-1925-273-10-1
0012 00
6.
Air compressor 1 and 2 discharge pressure and ship's service air pressure gauges (figure 2, item 6). The air compressor
1 and 2 discharge gauges measure the level of pressure entering the starting air receivers. The ship's service air pressure
gauge measures the pressure in the ship's service air receiver.
7.
Starting air receiver (figure 2, item 7). The starting air receiver provides storage for diesel engine starting air.
8.
Starting air receiver pressure gauge (figure 2, item 8). The starting air pressure gauge measures the air pressure avail-
able to the engines' starting motors.
9.
440V power panel No. 4 (figure 2, item 9). This power panel provides 440 volt power distribution for the air compres-
sors 1 and 2, the MSD discharge pump and blower, the hot potable water recirculating pump, the AMS 1 supply fan
and the AMS 1 unit heater.
10. Scuttle (escape hatch) (figure 2, item 10). The scuttle provides an emergency escape from AMS 1.
11. Vertical ladder (figure 2, item 11). The vertical ladder leads to the main deck.
12. AMS 1 supply fan motor controller (figure 2, item 12). This controller controls the operation of the AMS 1 supply fan.
This controller also permits the operator to select FAST, SLOW, and STOP.
13. BOW THRUSTER BRAKE PANEL (figure 2, item 13). This panel provides local manual control for the bow thruster
shaft brake.
14. Space heater (above) (figure 2, item 14). The heater provides heated air for AMS 1.
15. Bow thruster engine (figure 2, item 15). The bow thruster engine drives the bow thruster components.
16. Fire station 3 (figure 2, item 16). The firefighting station uses raw water and is equipped with 50 feet (15.24 m)
of 1-1/2 inch hose and an all-purpose nozzle.
17. Pump drive engine and bow thruster engine starting air pressure gauges and fire main pressure gauge (figure 2, item 17).
The starting air pressure gauges measures the level of air pressure available to the pump drive and the bow thruster
starters. The fire main pressure gauge measures the level of pressure available from the firefighting pump.
18. Hydraulic towing machine (figure 2, item 18). The hydraulic oil pump provides pressurized hydraulic oil to power the
towing machine, and can be aligned to power the central hydraulic system. It is driven by the pump drive engine.
19. Pump drive engine (figure 2, item 19). The pump drive engine drives the hydraulic towing machine (figure 2, item 17)
and the firefighting pump (figure 2, item 20).
20. Firefighting pump (figure 2, item 20). The firefighting pump provides pressurized raw water to the fire monitors
located on the pilothouse top. The firefighting pump can also pressurize the fire main.
21. General alarm bell (above) (figure 2, item 21). The general alarm bell sounds indicating various conditions and emer-
gencies.
22. Towing machine hydraulic reservoir (figure 2, item 22). The reservoir provides storage for the towing machine hydrau-
lic system's hydraulic oil.
23. AMS 1 watertight door hand pump (figure 2, item 23). The watertight door hand pump is used to OPEN and CLOSE
AMS 1 watertight door.
24. Watertight door (figure 2, item 24). The watertight door provides compartmentalization in emergency situations.
25. General alarm rotating beacon (figure 2, item 25). The general alarm rotating beacon provides a revolving light that
indicates a general alarm is in effect.
0012 00-3
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