Hitachi ZX26U-5A Technical Manual – Workshop Manual

Hitachi ZX26U-5A Technical Manual – Workshop Manual

Hitachi EXCAVATOR Zaxis 26U-5A Manual PDF

INTRODUCTION

SYMBOL AND ABBREVIATION

SECTION 1 GENERAL
1 Specification
2 Component Layout
3 Component Specifications
SECTION 2 SYSTEM
1 Hydraulic System
2 Electrical System
SECTION 3 COMPONENT OPERATION
1 Pump Device
2 Swing Device
3 Control Valve
4 Pilot Valve
5 Travel Device
6 Others (Upperstructure)
7 Others (Undercarriage)
SECTION 4 OPERATIONAL PERFORMANCE TEST
1 Introduction
2 Standard
3 Engine Test
4 Machine Performance Test
5 Component Test
6 Adjustment
SECTION 5 TROUBLESHOOTING
1 Diagnosing Procedure
2 Troubleshooting B
3 Troubleshooting C

Group 1 Precautions for Disassembling and
Assembling
Precautions for Disassembling and
Assembling
Group 2 Tightening
Tightening Bolts and Nuts
Piping Joint
Group 3 Painting
Painting
Group 4 Bleeding Air
Bleeding Air from Hydraulic Oil Tank
Bleeding Air from Hydraulic System
Bleeding Air from Fuel System
Bleeding Air from Radiator
Group 5 Releasing Pressure
Releasing Pressure in Hydraulic Circuit
Group 6 Preparation
Preparation before Inspection and
Maintenance
Group 7 Connect The Hose
Angle to connect the hose

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