Part of the Hitachi Repair Manuals.
Tracking down a swing bearing fault on your Hitachi EX8, EX12, EX15, EX22, or EX30? This 730-page OEM T580-01 Hitachi excavator technical manual PDF breaks down the complete upperstructure, undercarriage, and hydraulic pump assemblies. You get complete hydraulic schematics detailing pump device construction, plus full wiring diagrams for the travel brake, pilot valves, and engine accessories. Open up the massive troubleshooting section to diagnose mistrack issues, then follow step-by-step teardowns for the track adjusters, swing bearing, center joints, and boom cylinders. Verify your routine maintenance accurately by confirming the 2,500-hour hydraulic oil replacement interval and noting the specific 500-hour engine oil service requirement for the EX12 and EX15 variants. Your equipment is down and the clock is ticking. Grab this bookmarked, searchable download, pull it up on your shop tablet, and get back to work.
Complete the set for your EX8 to EX30
- Parts Catalog: Hitachi EX22 Excavator Parts Catalog
- Parts Catalog: Hitachi EX30 Excavator Parts Manual
- Parts Catalog: Hitachi EX15 Parts Catalog
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Technical Manual Introduction & Safety | 2-15 | Safety Alert Symbol, Safe Procedures, Emergency Preparedness, Fluid Safety, Battery Explosions, Acid Burns, High-Pressure Fluids, Moving Parts |
| Technical Manual Specifications | 16-28 | General Information, Dimensions and Weights, Fuels and Lubricants, Interchangeability, EX8 Specifications, EX12-EX15 Specifications, EX22-EX30 Specifications, Working Range |
| Technical Manual Upperstructure | 82-159 | Outline, Fuel Tank, Hydraulic Oil Tank, Pump Device Construction, Swing Device Operation, Pipings Diagrams, Control Valve Components, Pilot Valve Function |
| Technical Manual Undercarriage | 160-189 | Component Location, Swing Bearing Operation, Center Joint Construction, Travel Device, Travel Reduction Gear, Travel Motor Operation, Travel Brake Valve, Travel Speed Change Valve |
| Technical Manual Operational Performance Test | 190-225 | Purpose, Terminology, Preparation for Tests, Engine Speed Measurement, Engine Compression Pressure, Travel Speed, Track Revolution Speed, Mistrack Check |
| Technical Manual Troubleshooting | 226-287 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Hydraulic oil replacement interval | 2500 (Hours) | p. 70 |
| Engine oil pressure (Allowable limit) | 98 kPa 1.0 kgf/cm² 14 psi | p. 620 |
| EX30 | ||
| Front idler weight | 30.2 kg (66.5 lb) | p. 478 |
| EX8 | ||
| Front Idler Dimension A ND | 20 (0.787) | p. 479 |
| Bushing (Bucket Cylinder) ND | 25 (0.984) | p. 507 |
| Bushing (Bucket Cylinder) LU | 26.5 (1.04) | p. 507 |
