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 TM 55-1905-223-10
18 Stern anchor winch hydraulic pump (18). Hydraulic pump for the stern anchor winch.
19 Manual hydraulic pump (19). Allows the steering hydraulic pump to be manually operated when
electric power is lost.
20 Steering hydraulic dual pump set (20). Two hydraulic pumps with a common reservoir provides
hydraulic pressure for ship's steering system.
21 Heater (21). Heater for the steering compartment.
(b) Engine room, aft. Sheet 1, FIGURE 1-22 shows the equipment located in the aft section of the engine
room.
1
Air compressors (1). Two air compressors stacked one above the other to supply compressed air to
the storage tank.
2
Air dryer, (2). Dries compressed air before the storage tanks.
3
Port reduction gear (3). Transfers power from the port main engine to the port propeller shaft with a
4.941 to 1 reduction ratio.
4
Port maine engine (4). Air started and fresh water cooled port main engine.
5
Fire extinguisher (5).Portable fire extinguisher.
6
Main switchboard (6)The main switchboard provides generator selection for control and power
.
distribution for both 240 and 120 volts ac.
7
Starboard main engine (7). Air started and fresh water cooled starboard main engine.
8
Starboard reduction gar (8). Transfers power from the starboard main engine to the starboard
e
propeller shaft with a 4.941 to 1 reduction ratio.
9
Marine sanitation device (9). This sewage treatment equipment is a biological aerobic (bacteria and
air) system. Liquid and solid waste are removed from the water being treated by bacteria naturally
contained in the sewage.
10
Reduction gear cooling pump pressure gauge (10). Gauge indicates the reduction gear oil pressure.
11
Reduction gear cooling pump (port and starboard) (11)Pump for circulating seawater to cool
.
reduction gear oil.
12
P204 (12). Power panel for the engine room having the hot water booster pump circuit breaker and
spare circuit breakers.
13
Prelube pump (13). Electric pump for prelubing the maine engines.
14
Oil-water separator (14). 3 stage centrifugal device for removing water from lube oil.
1-52
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