CONTENTS
Group 1 Specifications
Specifications
Working Ranges
Group 2 Component Layout
Main Components
Electrical System (Overview)
Engine
Pump Device
Swing Device
Control Valve
Signal Control Valve
Solenoid Valve Unit
Travel Device
Group 3 Component Specifications
Engine
Engine Accessories
Hydraulic Component
Electrical Component
Perfomance Check, Troubleshooting
Group 1 Introduction
Operational Performance Tests
Preparation for Performance Tests
Group 2 Standard
ZX200-3 Class Operational
Performance Standard Table
ZX240-3 Class Operational
Performance Standard Table
ZX270-3 Class Operational
Performance Standard Table
Main Pump P-Q Diagram
Sensor Activating Range
Group 3 Engine Test
Engine Speed
Engine Compression Pressure
Valve Clearance
Lubricant Consumption
Group 4 Excavator Test
Travel Speed
Track Revolution Speed
Mistrack Check
Travel Parking Leakage
Swing Speed
Swing Function Drift Check
Swing Motor Leakage
Maximum Swingable Slant Angle
Swing Bearing Play
Hydraulic Cylinder Cycle Time
Dig Function Drift Check
Control Lever Operating Force
Control Lever Stroke
Combined Operation of
Boom Raise / Swing Function Check
Combined Operation of Boom Raise / Arm Roll-In Function Check
Group 5 Component Test
Primary Pilot Pressure
Secondary Pilot Pressure
Solenoid Valve Set Pressure
Main Pump Delivery Pressure
Main Relief Valve Set Pressure
Relief Pressure (When relieving Swing)
Overload Relief Valve Set Pressure
Main Pump Flow Rate Measurement
Swing Motor Drainage
Travel Motor Drainage