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Part of the New Holland Repair Manuals.
This is the factory workshop manual for the New Holland E385 and E385B crawler excavators, published by New Holland Kobelco Construction Machinery. It follows the Kobelco five-part structure: safety precautions, operational principle, operational performance test, troubleshooting and repair instructions. The specification tables give the main pump's displacement, relief and power-boost pressures and flow, the Mechatro chapter explains how the controller commands the hydraulics, and troubleshooting is split into a code-led part and a symptom-led part before the repair instructions take the machine apart.
What's Inside This New Holland E385, E385B Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction and Index | 1-9 | How to Use the Manual, The T-X-Y-Z Page Numbering Scheme, The Five Parts the Workshop Manual Is Built From, And the Operation, Maintenance and Parts Catalog References It Expects You to Have Alongside It |
| Safety Precautions and Generalities | 10-57 | General Shop Safety, Machine-Specific Hazards, Safety Plates and Their Locations, General Machine Data |
| Operational Principle: Specifications | 58-79 | Machine and Component Specification Tables, Main Pump and Motor Ratings, Relief and Power-Boost Pressures, Flows, Input Power |
| Operational Principle: Mechatro Control System | 80-173 | Mechatro Controller Operation, Pump and Valve Command Logic, Sensors and Control Maps |
| Operational Principle: Electrical System | 174-205 | Electrical System Architecture, Controllers, Harnesses and Sensors, Circuit Operation |
| Operational Principle: Component Operation | 206-359 | Hydraulic Pump Assembly, Pilot and Control Valves, Swing Device, Travel Device, Swivel Joint, Cylinders, Air Conditioning |
| Operational Performance Test | 360-401 | Performance Inspection Standard Table, Preparation for Tests, Measurement of Engine Speed and Hydraulic Pressure, Travel, Swing and Attachment Performance Tests, Mechatro Controller Output Adjustment |
| Troubleshooting by Error Codes | 402-473 | Error Code Index, The Controller and Sensor Faults Each Code Names, And the Step-By-Step Diagnostic Procedure Behind Every Code Including the Circuit to Measure and the Expected Value |
| Troubleshooting by Trouble | 474-519 | Symptom-Led Fault Finding for Hydraulic and Machine Complaints That Raise No Error Code |
| Repair Instructions: Upperstructure and Hydraulic Components | 520-859 | Disassembly and Assembly Precautions, Standard Tightening Torques, Upperstructure Removal, Pump Device, Control Valve, Swing and Travel Device Overhaul |
| Repair Instructions: Engine Mechanical | 860-989 | Engine Mechanical Disassembly and Assembly, Lubrication System Service |
| Engine Failure and Diagnosis Codes | 990-1061 | Failure Diagnosis for Each Engine Status, Engine Diagnosis Code Tables and Their Procedures |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main hydraulic pump | ||
| Maximum displacement capacity | 140 cm3 x 2 | |
| Rated pressure | 34.3 MPa (4980 psi) | |
| Maximum flow | 294 L/min (78 gal/min) x 2 at 7.8 MPa | |
| Maximum input power | 195 kW (265 PS) | |
| Main relief valve | ||
| Set pressure | 34.3 MPa (4970 psi) at 135 x 2 L/min | |
| Power boost | ||
| Pressure | 37.8 MPa (5480 psi) at 125 x 2 L/min | |
| Gear pump | ||
| Rated flow | 20 L/min (5.3 gal/min) and 25 L/min | |
| Swing motor | ||
| Displacement | 180.1 cm3 (11.0 in3) | |
| Swing brake | ||
| Braking torque | 860 to 1121 N.m (634 to 827 lbf ft) | |
| Travel motor | ||
| Displacement, high and low speed | 290.7 cm3/rev and 170.1 cm3/rev | |
| Travel device | ||
| Torque, high and low speed | 37600 N.m (27730 lbf ft) and 64260 N.m (47392 lbf ft) | |
