Part of the Hitachi Repair Manuals.
The ZX210W-3 and ZX220W-3 run a sensor-heavy control system that no parts catalog or forum thread explains end to end. This factory set does: 1764 pages holding three books - the Workshop Manual for teardown and assembly, Troubleshooting with the Operational Performance Test, and the Technical Manual on operating principle.
When a pump pressure sensor drops out of range and the machine cuts torque, guessing gets expensive. The troubleshooting flowcharts trace each code to a wire, a sensor, or a valve. The workshop chapters cover the pump device, swing device, transmission, and axles, with tightening torques printed where you need them.
Nobody stands beside you when a wheeled excavator quits and the crew waits. These pages do. Print the job you are on and let the copies get dirty.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction and Safety | 1-38 | Manual Composition, Page Number System, Safety Alert Symbols, Recognize Safety Information, Follow Safety Instructions |
| Workshop - General | 39-66 | Precautions for Disassembling and Assembling, Tightening Torque Specifications, Painting, Bleeding Air From Hydraulic Oil Tank |
| Workshop - Upperstructure | 67-344 | Cab, Counterweight, Main Frame, Pump Device, Control Valve, Swing Device, Pilot Valve, Solenoid and Steering Valves, Accumulator Charge Valve |
| Workshop - Undercarriage | 345-499 | Swing Bearing, Travel Motor, Center Joint, Transmission, Front and Rear Axle, Axle Lock Cylinder, Propeller Shaft |
| Workshop - Front Attachment | 500-598 | Front Attachment, Cylinder, Hose Rupture Valve, Operate Check Valve |
| Troubleshooting - Introduction and Safety | 599-634 | Manual Composition, Safety Alert Symbols, Precautions Before Troubleshooting |
| Operational Performance Test | 635-725 | Introduction, Standard, Engine Test, Excavator Test, Component Test |
| Troubleshooting | 726-1234 | Monitor Unit, Troubleshooting a, Troubleshooting B, Electrical System Inspection |
| Technical - General | 1235-1285 | Specifications, Working Ranges, Component Specifications |
| Technical - System | 1286-1534 | Controller, Control System, ECM System, Electrical System |
| Technical - Component Operation | 1535-1764 | Pump Device, Control Valve, Swing Device, Travel Device, Steering Valve, Others |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine cushion rubber mounting bolt (Pump Upper) torque | 360 N-m | p. 47 |
| Engine cushion rubber mounting bolt (Pump Lower) torque | 210 N-m | p. 47 |
| Engine cushion rubber mounting nut (Fan Side) torque | 140 N-m | p. 47 |
| Engine bracket mounting bolt and nut torque | 50 N-m | p. 47 |
| Hydraulic oil tank mounting bolt torque | 210 N-m | p. 47 |
| Fuel tank mounting bolt torque | 210 N-m | p. 47 |
| ORS and metal face seal fittings for hydraulic hoses and piping torque | 24.5 N-m | p. 47 |
| Pump mounting bolt torque | 50 N-m | p. 47 |
