Internal Fuel Oil System - Wartsila 31 Product Manual

Wärtsilä 31 Product Guide
6.2

Internal fuel oil system

Fig 6-1
System components:
01
02
03
04
05
06
Sensors and indicators:
PT101
TE101
CV1##1A
CV1##1B
CV1##3A
CV1##3B
LS103A
PT105
LS107A
LS107B
PS110
Wärtsilä 31 Product Guide - a1 - 18 October 2016
Internal fuel oil system (DAAF315512A)
Flow control valve
High pressure pump
Check valve
Pressure control valve
Engine driven FO pump
Injector
FO pressure, engine inlet
FO temp, engine inlet
FO injector control, cyl A##
FO injector control, cyl B##
Pilot injection valve, cyl A##
Pilot injection valve, cyl B##
FO leakage, clean primary, A-bank
FO pressure, after safety valve
FO leakage, dirty fuel FE, A-bank
FO leakage, dirty fuel FE, B-bank
FO stand-by pump, start
07 Pilot injection valve
08 Main injection valve
09 Circulation valve
10 Pressure drop & safety valve (PDSV)
11 Level alarm for leak fuel oil
12 Dirty FO leakage collector
CV116
TE116A
TE118
CV124A
CV126
TE126A
CV134A
CV136
TE136A
ST173
ST174
6. Fuel Oil System
13 Flywheel
14 Camshaft
15 Circulation valve
16 DF mode switch valve
17 Fuel filter
Fuel pump 1, pilot mode active
FO pump A1 temperature
FO temp in volume after SV
FO flow control valve 2, A-bank
Fuel pump 2, pilot mode active
FO pump A2 temp
FO flow control valve 3, A-bank
Fuel pump 3, pilot mode active
FO pump A3 temperature
Engine speed 1
Engine speed 2
6-5