FUEL SYSTEM
7-18
TNV DI Service Manual
Fuel System Components
1 – High-Pressure Fuel Injection Lines
2 – Fuel Return Line
3 – Return Line-to-Cylinder Head Bolt
4 – Fuel Injector
5 – Injection Line Grommet
6 – Front Plate or Timing Gear Case
7 – Gear Case Cover
8 – Fuel Injection Pump Drive Gear Nut
9 – Lock Washer
10 – Fuel Injection Pump Drive Gear Assembly
(DO NOT remove or loosen the four bolts
that fasten the injection pump drive gear to
the injection pump drive gear hub!)
11 – Coolant Lines for Cold Start Device *
12 – Fuel Injection Pump Insulator
13 – Diesel Fuel Injection Pump
14 – Rear Fuel Injection Pump Support
15 – Fuel Filter / Water Separator
16 – Electric Fuel Supply Pump
17 – Fuel Filter
18 – Fuel Filter Housing
19 – Stop Solenoid *
20 – Cold Start Device (CSD) **
21 – Trochoid Fuel Pump
*:
Not used for electronically controlled engines.
**: Electronically
controlled engines are equipped with a solenoid valve. As shown in the following
figure, electronically controlled engines use an electronically controlled governor combined with a
solenoid valve (CSD), rack actuator, engine speed sensor, and other parts.
Figure 7-7
(1)
(2)
(3)
(4)
(5)
(6)
TNV_DI_SM_A4.book 18 ページ ２００７年１２月６日 木曜日 午前９時２３分
