Fuel System Components; Valve Cylinder Head - Yanmar 4TNV98 Service Manual

Fuel System Components

4-Valve Cylinder Head

Figure 7-5
(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
4TNV98 & 4TNE98 Diesel Engine Section 4. Fuel System
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