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(-#1176)
		Group 2	Main Control Valve(#1177-)
		Group 3	Swing Device
		Group 4	Travel Device
		Group 5	RCV Lever
		Group 6	RCV Pedal
	SECTION 3
		HYDRAULIC SYSTEM
		Group 1	Hydraulic Circuit(-#1176)
		Group 1	Hydraulic Circuit(#1177-)
		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
		Group 5	Electrical Circuit
	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	Prolix Switch
		Group 13	Monitoring System
		Group 14	Outline(Tier II only)
		Group 15	Mode Selection System(Tier II only)
		Group 16	Automatic Deceleration System(Tier II only)
		Group 17	Power Boost System(Tier II only)
		Group 18	Automatic Warning Up Function(Tier II only)
		Group 19	Engine Overheat Prevention(Tier II only)
		Group 20	Self-Diagnostic System(Tier II only)
	SECTION 6
		TROUBLESHOOTING
		Group 1	Before troubleshooting
		Group 2	Hydraulic and Mechanical System
		Group 3	Electrical System
		Group 4	Mechatronics System
		Group 5	Electric System(Tier II only)
		Group 6	Mechatronics System(Tier II only)
	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(-#1176)
	Group 4	Main Control Valve(#1177-)
	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