JAC HFC4DA1-2C, Maintenance Manual

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Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
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Contents
Chapter I Technical Characteristics of Engine
.......................................................................................................... 11
Section I Technical Requirements for Fuel, Oils, and Auxiliary Materials
..................................................... 11
Section II Main Technical Specification of Engine
............................................................................................ 14
Section III Performance Curve of Engine
.......................................................................................................... 15
Section IV Main Checking and Adjustment Parameters
.................................................................................. 16
Section V Tightening Torque for Critical Bolts of Engine
................................................................................. 17
Section VI Main Fitting Clearances and Allowable Wear Limits of Engine
................................................... 21
Section VII Specification of Main Attachments and Accessories
...................................................................... 24
Chapter II Maintenance for Main Structures of Engine
........................................................................................... 25
Section I Disassembly of Engine Assembly
......................................................................................................... 25
Section II Assembly of Engine
............................................................................................................................. 43
Section III Crankshaft and Flywheel System
..................................................................................................... 68
Section IV Piston and Connecting Rod Group
................................................................................................... 69
Section V Valve Distribution Mechanism
........................................................................................................... 70
Section VI Lubrication System
............................................................................................................................ 71
Section VII Cooling System
................................................................................................................................. 72
Section VIII Turbocharger and Inter-Cooler System
........................................................................................ 73
Section IX EGR System
........................................................................................................................................ 75
Section X Exhaust System
.................................................................................................................................... 76
Chapter III Working Principle of Engine Control and Actuator Units
................................................................... 77
Section I Overview of Diesel Common Rail System
.......................................................................................... 77
Section II Working Principle of Low Pressure Fuel Line System
.................................................................... 79
Section III Working Theory of High Pressure Fuel Line
.................................................................................. 82
Section IV Electronic Control Unit of High Pressure Common Rail System
.................................................. 84
Chapter IV Engine Diagnosis
.................................................................................................................................... 109
Section I. Precautions
......................................................................................................................................... 109
Section II. Maintenance Procedures
................................................................................................................. 111
Section III. Fault Diagnosis
................................................................................................................................ 113
Section IV. DTC List
........................................................................................................................................... 115
Section V. Fault Diagnosis for Electronic-Controlled Common Rail Diesel Engines
.................................... 133