TM10-3950-672-24-2
Section 4. Fuel System
Subject
Page
Fuel System Components and Flow ........................................................................................................................... 5-67
Fuel System Specification .......................................................................................................................................... 5-68
Fuel System Malfunction - Diagnosis ......................................................................................................................... 5-69
Lift Pump ................................................................................................................................................................ 5-69
Air in the Fuel System ............................................................................................................................................. 5-70
Fuel Water Separator/Filter Unit ............................................................................................................................. 5-71
Injection Pump ........................................................................................................................................................ 5-72
Delivery Valves (Back Leakage Valves on Lucas CAV Pumps) ............................................................................... 5-76
Injection Pump Timing ............................................................................................................................................ 5-77
High Pressure Fuel Lines ........................................................................................................................................ 5-79
Injectors .................................................................................................................................................................. 5-80
Fuel Drain Manifold ................................................................................................................................................. 5-82
Fuel System Replacement Procedures ....................................................................................................................... 5-83
Fuel System- Bleeding ............................................................................................................................................ 5-83
Fuel Filter ............................................................................................................................................................... 5-85
Low Pressure Fuel Line ........................................................................................................................................... 5-87
Lift Pump ................................................................................................................................................................ 5-88
High Pressure Lines ............................................................................................................................................... .5-89
Fuel Drain Manifold ................................................................................................................................................ 5-92
Injection Pump Supply Line ..................................................................................................................................... 5-93
Injector .................................................................................................................................................................... 5-95
Electric Fuel Shut Off Valve ................................................................................................................................... .5-97
Lucas CAV DPA Back Leakage Valve and Sealing Washer .................................................................................... 5-99
External Pump Leaks - Repair .................................................................................................................................. 5-101
Replacing the Fuel Pump ......................................................................................................................................... 5-101
Injection Pump Timing Check ................................................................................................................................... 5-109
5-66