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 TM 55-1925-273-10-1
0046 00
Table 5. Fire and General Service Pumps and Valves (refer to figure 5)
Key
Control/Indicator
Function
1
FM-14 FIRE/G.S. PMP NO. 2
This valve controls the discharge from fire and general service pump 2 to
DISCH TO FM Valve
the fire main.
2
FM-10 GENL SERV PRESS
When OPEN, this valve permits bypassing of the general service system's
RED VLV MAN BYPASS
pressure reducing valve.
Valve
3
FM-9 GENL SERV PRESS
When OPEN, this valve permits general service water to enter the general
RED VLV CO Valve
service system's pressure reducing valve.
4
FM-16 FIRE/G.S. PMP
This valve controls the discharge from fire and general service pump 2 to
NO. 1 DISCH TO FM Valve
the fire main.
5
FM-8 EMG BILGE OVBD
When OPEN, this valve permits bilge and ballast pump 1 to discharge
Valve
overboard.
6
FM-93 Cutoff Valve, Fire/GS
This gauge secures the pressure to the fire and general service pump 1
Pump 1 Discharge Pressure
discharge pressure gauge.
Gauge
7
FM-17 FIRE/G.S. PMP
This valve controls the discharge from fire and general service pump 1 to
NO. 1 DISCH TO G.S. Valve
the general service system.
8
High Level Raw Water COV 1
This cutoff valve controls the intake of raw water.
9
High Level Raw Water COV 2
This cutoff valve controls the intake of raw water.
10
FM-15 FIRE/G.S. PMP NO. 2
This valve controls the discharge from fire and general service pump 2 to
DISCH TO G.S. Valve
the general service system.
11
FM-92 Cutoff Valve, Fire/GS
This gauge secures the pressure to the fire and general service pump 2
Pump 2 Discharge Pressure
discharge pressure gauge.
Gauge
12
General Service System
This valve reduces fire main pressure to general service pressure.
Pressure Reducing Valve
13
GS-12 GENL SERV PRESS
When OPEN, this valve permits general service water to be discharged from
RED VLV CO Valve
the general service pressure reducing valve.
14
General Service Temperature
This gauge indicates the temperature of the water entering the general
Gauge
service system.
15
Cutoff Valve, General Service
This gauge secures the pressure to the general service pressure gauge.
Pressure Gauge
16
Discharge Pressure Gauge,
This pump indicates the discharge pressure of fire and general service
Fire/GS Pump 1
pump 1.
17
Discharge Pressure Gauge,
This pump indicates the discharge pressure of fire and general service
Fire/GS Pump 2
pump 2.
18
FM-7 FIRE/GS PMP
This valve secures the suction into fire and general service pump 2.
NO. 2 SUCT Valve
19
FM-7 FIRE/GS PMP NO. 1
This valve secures the suction into fire and general service pump 1.
SUCT Valve
20
Sea Chest Cross Connect COV
This cutoff valve connects to the sea chest.
0046 00-10
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