Wartsila 46DF - Fuel Oil System

6.4 Fuel oil system
6.4.1 Internal fuel oil system
Fig 6-10 Internal fuel oil system, in-line engines (DAAF447414)
System components:
Pulse damper12Pilot fuel safety valve06Injection pump01
Adjustable valve13Fuel leakage collector07Inj. valve with pilot solenoid and nozzle02
Pilot fuel filter (duplex)14Flywheel08Pressure control valve03
Camshaft15Turning device09Pilot fuel filter04
Fuel and timing rack10Pilot fuel pump05
Sensors and indicators:
FO leakage dirty fuel DELS108AStop lever in stop positionGS171
Pilot fuel press. pump outletPT125Turning gear engagedGS792
Pilot fuel filter pressure differencePDS129Fuel oil press. engine inletPT101
Engine speed primaryST196P/ST173Fuel oil temp. engine inletTE101
Engine speed secondaryST196P/ST174Pilot fuel press. inletPT112
Engine phase primaryST197PPilot fuel temp. inletTE112
Engine phase secondaryST197SFO leakage clean primaryLS103A
FO leakage clean secondaryLS106A
Pipe connections
Pilot fuel outlet117Leak fuel drain, dirty fuel FE104FFuel inlet101
Leak fuel drain, dirty fuel DE104DFuel outlet102
Pilot fuel inlet112Leak fuel drain, clean fuel DE103D
DBAD209883 6-23
6. Fuel SystemWärtsilä 46DF Product Guide