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 TM 55-1925-273-10-1
0047 00
PORT SHAFT ALLEY
4
3
5
2
1
11
5
6
7
8
9
10
Figure 2. Port Shaft Alley
Table 2. Port Shaft Alley (refer to figure 2)
Key
Control/Indicator
Function
1
Fwc-4, F.W. FR. M.E. No. 2
This valve secures the flow through the keel cooler for main engine 2.
TO KEEL CLR
2
Cutoff Valve, High Level
This valve secures the flow of raw water to fire and general service pump 2.
Seachest, Fire/General
Service Pump 2
3
Cutoff Valve, High Level
When OPEN, this valve vents the chest.
Seachest Vent
4
Cutoff Valve, High Level
This valve secures the flow of raw water to fire and general service pump 1.
Seachest, Fire/General
Service Pump 1
5
Duplex Strainer Selector
This lever permits the operator to select the in service strainer for the duplex
strainer.
0047 00-2
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