Hitachi ZAXIS Series ZX16, ZX18, ZX25 Excavator Service Manual

Covers ZAXIS16, ZX18, and ZX25 excavators with detailed procedures for engine, hydraulic, and electrical systems, plus component layouts and performance testing. Ref: KM-1LNE

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Document Details

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Document Number / Seller:
31123 / Kimberly Gonzalez
File Size:
27.65 MB
File Type:
PDF
Language:
English
Pages:
1002
Printable:
Yes
Category:
Mini Excavator
Last updated / verified
Jul 12, 2025

Models Covered & Key Technical Specifications

Hitachi ZAXIS Series (ZX16, ZX18, ZX25) Service Manual: KM-1LNE - Comprehensive Diagnostics & Maintenance Covers ZAXIS16, ZX18, and ZX25 excavators with detailed procedures for engine, hydraulic, and electrical systems, plus component layouts and performance testing. Ref: KM-1LNE | Edition. Verified Coupling Torques: 40.2 N・m signifies the maximum output torque Standards. Engineered Specific Temperature Range: For optimal operation, 75°C defines the target coolant temperature Protocol. Prescribed Essential Power Rating: 14.0 kW -- signifies the maximum engine output Architecture. Nominal Core Speed Performance: Maximum engine speed reaches 2300 rpm Matrix. Defined Advanced Memory Capacity: The alternator requires 35 A for standard operation Norms. General Technical Resolution Data: 100 Mesh establishes the suction filter density Framework.

Professional Workshop Service Manual & Technical Specifications

Hitachi ZAXIS Series (ZX16, ZX18, ZX25) Service Manual: KM-1LNE - Comprehensive Diagnostics & Maintenance

Technical-Scope: ZAXIS16, ZX18, ZX25, KM-1LNE / Isuzu 3YB1 Logic // Operational-Scope: Excavator / Hydraulic System Logic // Operational-Framework: Diesel, 4-Cycle.

Identifier Baseline Architecture
Engine ISUZU 3YB1 Diesel, 4-Cycle
Hydraulic Component BCV35 Pilot Pressure Operated Type
Swing Device Orbit Type Motor Single-Stage Reduction Planetary Gear
Travel Device Variable Displacement Swash Plate Type Axial Plunger Motor Two-Stage Reduction Planetary Gear
Electrical System Work Light, Fusible Link QOS Sensor, Engine Oil Pressure Switch

Cataloging major assemblies into sections covering general specifications, component layouts, system overviews, operational performance tests, and troubleshooting.

Engine

Hydraulic System

Electrical System

Troubleshooting

Performance Tests

The "Official Hitachi ZAXIS16, ZX18, ZX25 Service & Repair Manual - Comprehensive Diagnostics & Maintenance" provides systematic documentation for all aspects of the machine's operation and maintenance. This includes detailed explanations of hydraulic and electrical systems, component specifications, and troubleshooting guides.

This manual documents torque specifications for component assembly to ensure proper bearing preload accuracy.

FAQ

What components have **documented** safety precautions? keyboard_arrow_down

110°C is the operating temperature for the overheat switch, detailed within the electrical system section.

Confirm the **precise** lubrication requirements. keyboard_arrow_down

75°C is the full open temperature for the thermostat, crucial for engine cooling system performance.

What tools are needed for **proper** testing parameters? keyboard_arrow_down

23.5 MPa is the overload relief set pressure for the boom, arm, and bucket, as specified in the component test section.

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