1984–1992 Hitachi EX200-2 Excavator Technical Manual
Technical reference for the Hitachi EX200-2 / EX200LC-2 excavators, covering 1984-1992 models. Features detailed diagrams, specifications, and operational procedures. PN T107-01-01-001.
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Models Covered & Key Technical Specifications
Hitachi EX200-2 / EX200LC-2 (1984–1992) — Technical Manual
This manual provides essential information for the Hitachi EX200-2 and EX200LC-2 excavators.
- Approved Component Specs: 420 cc anti-rust agent addition is mandatory for soft water engine coolant mixtures to prevent corrosion in non-antifreeze configurations.
- Factory Service Data: 0.03–0.12 mm piston-to-cylinder clearance defines the critical tolerance for engine block integrity during a full rebuild.
- Primary Operational Limits: 2.5V DP-sensor output voltage identifies standard load sensing operation at 12.75 bar (185 psi) differential pressure.
- General Maintenance Procedures: 200 liter (53 US gal) total system refill capacity required for complete hydraulic oil replacement using Tellus R46 or equivalent fluid.
- Essential Testing Metrics: 90890–03069 compression gauge ID or equivalent diagnostic logic monitors the 49 bar (711 psi) pilot oil circuit pressure.
- Operational Parameters: 25.5 bar (370 psi) unload valve setting within the main control framework ensures minimum pump flow when levers are in neutral.
Professional Workshop Service Manual & Technical Specifications
Practical Specification Manual: Excavator Technical Workshop Manual: Hitachi EX200-2 Series Excavator (1984–1992) – 177 Page Volume Detailed Edition Calibration-Manual
Documentation-Type: Technical Manual // Year-Coverage: 1984-1992 / Model-Specs: EX200-2, EX200LC-2
| Component | Rating | Context |
|---|---|---|
| Upperstructure | 2 660 mm (8 ft 9 in.) | Overall width without right hand mirror |
| Bucket Capacity | PCSA and SAE: 0.8 m³, 0.7 m³ | Backhoe with 2.91 m (9 ft 7 in.) arm |
| Minimum Ground Clearance | 450 mm (18 in.) | For operations on uneven terrain |
| Swing Speed | 11 min⁻¹ (rpm) | For optimal maneuverability |
| Track Shoe Width | 600 mm (24 in.) | For stability on soft ground |
Consistently demanding precise operational parameters, this manual is crucial for maintaining Hitachi excavators.
Systems
System operation descriptions cover the excavator's main systems, including the undercarriage, upperstructure, and electrical systems. The manual details the construction and function of various components like the pump device, swing motor, control valve, and pilot valve. It also explains the electrical system, including the engine control system, monitor panel, and wiring diagrams.
Specifications
The documentation addresses all relevant specifications, including dimensions, weights, fuels, lubricants, and interchangeability data for the EX200-2 and EX200LC-2 models.
Introduction
This document provides an introduction to the manual's structure, safety precautions, and guidelines for updating contents. It outlines the purpose and application of various sections, ensuring users can effectively navigate and utilize the information.
Procedures
Assembly instructions are detailed for key components such as the travel device, swing bearing, and center joint. The manual includes explanations for the operation of hydraulic circuits and control systems, ensuring proper assembly and function.
This manual documents torque specifications for hydraulic components to ensure proper bolt stretch prevention.
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