MR479Q MR479QA MR481QA JL481Q Engine Service Manual
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This workshop repair shop manual provides comprehensive information for servicing the MR479Q, MR479QA, MR481QA, and JL481Q engines. It is a valuable resource for both professional mechanics and DIY enthusiasts.
Chapter 1 Engine Overview
Section 1: Basic Structure and Working Principle of Engine
Section 2: Structural Characteristic of Engine
Section 3: Engine Technical Performance and Parameters
Section 4: Engine Servicing Datasheet
Section 5: Maintenance of Engine
Chapter 2 Cylinder Block Assembly
Section 1: Structural Characteristic of Cylinder Block
Section 2: Detach, Assembly and Servicing of Cylinder Block
Chapter 3 Cylinder Head Assembly
Section 1: Structural Characteristic of Cylinder Head
Section 2: Detach, Assembly and Repair of Cylinder Head
Chapter 4 Piston & Connecting Rod Mechanism
Section 1: Construction of Piston & Connecting Rod Mechanism
Section 2: Dismantling and Inspection of the Connecting-rod and its Bearing
Section 3: Common Faults and Troubleshooting of the Piston Connecting-rod Mechanism
Chapter 5 Crank Mechanism
Section 1: Structural Characteristics of Crank Mechanism
Section 2: Disassembly & Maintenance of Crank Mechanism
Section 3: Common Faults and Troubleshooting of Crank Mechanism
Chapter 6 Valve Train
Section 1: Make-up of Valve Train & its Design Features
Section 2: Valve Timing
Section 3: Make-up of Valve train Assembly and its Features
Section 4: Service of Valve Train
Section 5: Common Faults and Troubleshooting of Valve train
Chapter 7 Fuel Supply System
Section 1: Makeup and Features of Fuel Supply System for Electronic Fuel Injection Engine
Section 2: Matters Needing Attention in Use and Maintenance of Electronic Fuel Injection System
Section 3: Troubleshooting the Electronic Fuel Injection System
Section 4: Evaporative Emission & Positive Crankcase Ventilation Control System
Chapter 8 Ignition System
Section 1: Introduction to Ignition System
Section 2: Troubleshooting of Ignition System
Chapter 9 Lubrication System
Section 1: Makeup and Features of Lubrication System
Section 2: Examination & Maintenance of Lubrication System
Section 3: Common Faults and Troubleshooting of Lubrication System
Chapter 10 Cooling System
Section 1: Composition & Features of Cooling System
Section 2: Inspection and Maintenance of Cooling System
Section 3: Common Faults and Troubleshooting of Cooling System
Chapter 11 Clutch
Section 1: Structure of Clutch and Its Operating Mechanism
Section 2: Clutch Troubleshooting
Section 3: Assembly and Adjustment of Clutch and its Operating Mechanism
Section 4: Common Faults and Troubleshooting of Clutch
Chapter 12 Common Faults and Troubleshooting of Engine
Section 1: Overview
Section 2: Determination and Elimination of Common Faults in Engine
Section 3: Determination and Elimination of Abnormal Noises in the Engine
Chapter 13 Power source
Section 1: Structure of Clutch and Its Operating Mechanism
Section 2: Battery
Section 3: Normal Malfunction of Charging System and Troubleshooting
Chapter 14 Starter
Section 1: Structure of Starter
Section 2: Working Principle of Starter
Section 3: Attentions in Use of Starter
Section 4: Troubleshooting of Starter
Chapter 15 Engine Management System
Section 1: System Profile
Section 2: System Composition and Working Principle
Chapter 16 Engine Electronic Control System
Section 1: General Structure of Engine Electronic Control System
Section 2: Structural Principle of the Components of the Engine Electronic Control System
This manual is available in .PDF format and is an essential reference for understanding and maintaining these engines.
