FOREWORD
	CONTENTS
	SECTION 1
		GENERAL
		Group 1	Safety Hints
		Group 2	Specifications
	SECTION 2
		STRUCTUREND FUNCTION
		Group 1	Pump Device
		Group 2	Main Control Valve
		Group 3	Swing Device
		Group 4	Travel Device
		Group 5	RCV Lever
		Group 6	RCV Pedal
	SECTION 3
		HYDRAULIC SYSTEM
		Group 1	Hydraulic Circuit
		Group 2	Main Circuit
		Group 3	Pilot Circuit
		Group 4	Single Operation
		Group 5	Combined Operation
	SECTION 4
		ELECTRICAL SYSTEM
		Group 1	Component Location
		Group 2	Electrical Circuit
		Group 3	Electrical Component Specification
		Group 4	Connectors
	SECTION 5
		MECHATRONICS SYSTEM
		Group 1	Outline
		Group 2	Mode selection System
		Group 3	Automatic Deceleration System
		Group 4	Power Boost System
		Group 5	Travel Speed Control System
		Group 6	Automatic Warming Up Function
		Group 7	Engine Overheat Prevention Function
		Group 8	Anti-Restart System
		Group 9	Self-Diagnostic System
		Group 10	Engine Control System
		Group 11	EPPR(Electro Proportional Pressure Reducing) Valve
		Group 12	Monitoring System
		Group 13	Fuel warmer System
	SECTION 6
		TROUBLESHOOTING
		Group 1	Before troubleshooting
		Group 2	Hydraulic and Mechanical System
		Group 3	Electrical System
		Group 4	Mechatronics System
	SECTION 7
		MAINTENANCE STANDARD
		Group 1	Operational Performance Test
		Group 2	Major Components
		Group 3	Track and Work Equipment
	SECTION 8
		DISASSEMBLY AND ASSEMBLY
		Group 1	Precaution
		Group 2	Tightening Torque
		Group 3	Pump Device
		Group 4	Main Control Valve
		Group 5	Swing Device
		Group 6	Travel Device
		Group 7	RCV Lever
		Group 8	Turning Joint
		Group 9	Boom, Arm and Bucket Cylinder
Group 10		Undercarriage
Group 11		Work Equipment
SECTION 9
	COMPONENT MOUNTING TORQUE
	Group 1	Introduction guide
	Group 2	Engine system
	Group 3	Electric system
	Group 4	Hydraulic system
	Group 5	Undercarriage
	Group 6	Structure
	Group 7	Work equipment