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 TM 55-1925-273-10-1
0041 00
Table 2. Main Engine 1, General Arrangement (refer to figure 2) (continued)
Key
Control/Indicator
Function
7
RDCN GR #2 FW COOLING
This gauge indicates the pressure in the fresh water cooling system of
PMP DISCH PRESS gauge
reduction gear 2.
8
Cutoff Valve, Jacket Water
This valve secures the flow of engine coolant to the aftercooler.
to Aftercooler
9
Cutoff Valve, Aftercooler Drain
This cutoff valve permits draining of engine coolant from the aftercooler.
10
Fwc-15, FR. KEEL CLR TO
This cutoff valve secures the flow of fresh water through the reduction gear's
RED. GEAR No. 1 Valve
cooling system.
11
Fwc-13, FR. RED. GEAR
This cutoff valve secures the flow of fresh water through the reduction gear's
No. 1 TO KEEL CLR Valve
cooling system.
12
Air Box Drain Valve (Port and
This valve permits the draining of water and oil from the air boxes.
Starboard)
13
Dipstick (Port and Starboard)
The dipstick indicates the lube oil level in the engine.
14
Cutoff Valve, Lube Oil
This valve secures the pressure to the main engine 1 remote lube oil
Pressure Remote Sensor
pressure sensor.
15
Injector Control Lever
This lever permits manual control of the fuel rack. See figure 7 for details.
16
Lo-31, M.E. No. 1 LUBO
This valve secures the flow of lube oil to/from main engine 1 from/to the
PUR DISCH/FILL valve
lube oil purifier.
17
Lo-48, C.O.V. PRELUBE
This valve secures the flow of lube oil from the prelube discharge pump to
PMP. DISCH. valve
main engine 1.
18
Cutoff Valve, Lube Oil
This valve secures the flow of lube oil at the sampling port on the prelube
Sampling Port
pump.
19
Pressure Gauge, Port
This gauge indicates the jacket water pressure in main engine 1's port water
Water Jacket
jacket.
20
Main Engine Control Panel
This panel contains the controls and indicators for main engine 1. See figure
3 for details.
21
Temperature Gauge,
This gauge indicates the temperature of the engine coolant entering the
Engine Coolant Inlet
engine from the keel coolers.
22
FO-20, F.O. SPLY TO STBD
This cutoff valve secures the fuel oil supply to main engine 1.
ME No. 1 Valve
23
Fuel Filter/Water Separator
This quadplex fuel filter/water separator removes water from the fuel
entering main engine 1. The unit also provides primary fuel filtration for
main engine 1. See figure 4 for details.
24
Cutoff Valve
This valve secures the flow of lube oil from the oil filter to the hose
connector.
25
Cutoff Valve, Jacket Water
This valve secures the flow of engine coolant from the jacket water heater to
Heater Vent
the expansion tank.
0041 00-4
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