Remote control and startup requirements. While the three generator sets are located in voids 4, they are
normally operated from the switchboard in the ROWPU space. Normally, one of the first actions upon entering the barge is
to start the auxiliary (20 kW) generator to provide power for barge housekeeping activities. This generator does not
provide sufficient power to support operation of moor ROWPU components, however, so prior to starting a major ROWPU
component, one of the SSGs must be brought online. Start an SSG, parallel it with the SAG, and transfer the load to the
SSG. Then shut down the SAG.
SECTION III. Operating Instructions
4-10. Operating controls and indicators
330B A diesel engine
4-10.1.1 Controls for operating engine at the SSG
ENGINE CONTROL switch. This switch on SSG switchboard panel has START, REMOTE, and OFF/RESET
positions. To start engine from switchboard, move ECS to START and engine will automatically crank and
run. To start engine at the engine, move ECS on switchboard to REMOTE and use engine START/STOP
switch on the engine. To stop engine from switchboard, move ECS to OFF/RESET.
VOLTAGE REGULATOR switch. Located on switchboard. IDLE position allows engine to run at low speed
for warm-up and maintenance checks. RUN position allows engine to run at full speed of 1800 rpm. While
set on IDLE, generators circuit breaker connecting its power to the switchboard bus will not close.
ENGINE START/STOP switch. Located on engine. ENGINE CONTROL SWITCH on switchboard must be in
REMOTE for this switch to start the engine. Push switch up to start engine. Push switch down to stop
engine. When stopping engine, ENGINE CONTROL SWITCH may be in any position.
EMERGENCY STOP button. Located on engine. Push to stop engine. Resetting this button will start engine
cranking and running unless ENGINE CONTROL SWITCH is set to OFF
Seawater valves control flow of cooling seawater to SSG 1 and SSG 2 to cool engine coolant and lubricating
oil. These valves must be open for engines to operate.
Seawater valve SW37. Located in void 4 port next to seawater strainer. When open, provides water
from seawater strainer to manifold piping, which provides cooling seawater to all generators in voids
Seawater valve SW49. Located in void 4 starboard on starboard bulkhead. When open, provides
outlet for used cooling water to flow overboard.
(3) SSG 1. Open SW valves SW38 and SW39 on side of engine.
(4) SSG 2. Open SW valves SW40 and SW41 on side of engine.*
These SW valves have temperature gauges with each valve to indicate ingoing and outgoing water
Engine indicators. Engine indicators are on switchboard SSG engine panel, with exception of the following
which are on the engine: fuel pressure gauge indicator, oil dipstick, engine alternator ammeter, oil pressure
gauge, service meter, coolant level indicator, and coolant temperature gauge.
Oil pressure gauge. Left-hand gauge on engine instrument panel indicates oil pressure in pounds
per square inch (psi) on the bottom scale. Scale reads 0-10-30-50-70. When engine is new, its normal
oil pressure indication is obtained by operating engine at normal temperature and maximum rpm. Mark
this oil pressure reading on gauge rim to indicate normal operating range.
Oil dipstick Shows amount of oil in engine crankcase. Oil level must be between ADD and FULL
marks on dipstick.