ZX490LCH-7 HYDRAULIC EXCAVATOR TECHNICAL MANUAL OPERATIONAL PRINCIPLE
Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOJAQ51-EN
Technical Manual (Troubleshooting) : Vol. No.TTJAQ51-EN
Workshop Manual : Vol. No.WJAQ51-EN
Engine Manual : Vol. No.ETJAQ51-EN, EWJAQ51-EN
Manual Composition
This manual consists the Technical Manual, the Workshop Manual and the Engine Manual.
●
Information included in the Technical Manual: Technical information needed for redelivery and delivery
•
Operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
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Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine
•
Tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures
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Information included in the Engine Manual: Technical information needed for redelivery and delivery and maintenance and repair of the machine
•
Operation and activation of all devices and systems, troubleshooting and assemble / disassemble procedures
SECTION AND GROUP CONTENTS
SECTION1
GENERAL
Group1
Specifications
Group2
Component Layout
Group3
Component Specifications
SECTION2
SYSTEM
Group1
Controller
Group2
Control System
Group3
Engine System
Group4
Hydraulic System
Group5
Electrical System
SECTION3
COMPONENT OPERATION
Group1
Pump Device
Group2
Swing Device
Group3
Control Valve
Group4
Pilot Valve
Group5
Travel Device
Group6
Signal Control Valve
Group7
Others (Upperstructure)
Group8
Others (Undercarriage)
