FUEL SYSTEM
Fuel Flow Diagram
12/05
BY Service Manual
6-7
© 2009 Yanmar Marine International
FUEL FLOW DIAGRAM
4BY2
Figure 6-3
Figure 6-3
1 – Fuel Inlet from Tank
2 – Fuel Fine Filter
3 – Fuel Feed Pump
4 – Inlet Fuel Temperature Sensor
5 – High-Pressure Fuel Pump
6 – High-Pressure Fuel Supply Line
7 – High-Pressure Fuel Rail
8 – Fuel Injection Line
9 – Fuel Injector
10 – Fuel Injector Return Hose
11 – Common Rail Return Line
12 – Return Fuel Tee with Back Pressure Valve
13 – Return Fuel to Fuel Tank with Over Pressure
Valve
14 – High-Pressure Fuel Rail Pressure Sensor
15 – High-Pressure Fuel Regulator
(ECU-Controlled)
16 – Fuel Volume Regulator (ECU-Controlled)
00064
9
4
(10)
(9)
(
8
)
(15)
(2)
(
3
)
(12)
(4)
(16)
(5)
(14)
(7)
(11)
(6)
(1
3
)
(1)
