Description

Hitachi ZX250LC-7 ZX250LCN-7 Technical and Workshop Manual

Hitachi Operational Principle, Troubleshooting, Workshop Manual include:

Numbered table of contents easy to use so that you can find the information you need fast.
Detailed sub-steps expand on repair procedure information.
Detailed illustrations, drawings and photos guide you through every procedure.
Compatible With All Systems.
Printable and Zoomable.

TABLE OF CONTENT

SECTION 1
GENERAL
Specifications
Component Layout
Component Specifications
SYSTEM
Controller
Control System
Engine System
Hydraulic System
Electrical System
COMPONENT OPERATION
Pump Device
Swing Device
Control Valve
Pilot Valve
Travel Device
Signal Control Valve
Others (Upperstructure)
Others (Undercarriage)

SECTION 4
OPERATIONAL PERFORMANCE TEST
Introduction
Standard
Engine Test
Machine Performance Test
Component Test
Adjustment
TROUBLESHOOTING
Diagnosing Procedure
Monitor
e-Service
Component Layout
Troubleshooting A
Troubleshooting B
Group 7 Air Conditioner

SECTION 1 GENERAL
Group 1 Precautions for Disassembling and Assembling
Group 2 Tightening
Group 3 Painting
Group 4 Bleeding Air
Group 5 Preparation
SECTION 2 MAINTENANCE STANDARD
Group 1 Upperstructure
Group 2 Undercarriage
Group 3 Front Attachment
SECTION 3 UPPERSTRUCTURE
Group 1 Cab
Group 2 Counterweight
Group 3 Main Frame
Group 4 Engine
Group 5 Radiator Assembly
Group 6 Hydraulic Oil Tank
Group 7 Fuel Tank
Group 8 Pump Device
Group 9 Control Valve
Group 10 Swing Device
Group 11 Pilot Valve
Group 12 Solenoid Valve
Group 13 Signal Control Valve
Group 14 Aftertreatment Device
Group 15 DEF Tank
Group 16 Coolant Control Valve
Group 17 DEF Supply Module