Hitachi Zaxis ZX 40U-3 40U-3f 50U-3 50U-3f Repair Manual [Excavator]

Technical Manual Hitachi Zaxis ZX 40U-3 40U-3f 50U-3 50U-3f Excavators.
Technical Manual: technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
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380 pages
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Models Covered
Hitachi Zaxis ZX

ZX 40U-3

ZX 40U-3f

ZX 50U-3

ZX 50U-3f

In Content
Section 1 – General
1 Specifications
2 Component Layout
3 Component Specifications

Section 2 – System
1 Control System
2 Hydraulic System
3 Electrical System

Section 3 – Component Operation
1 Pump Device
2 Revolution Sensing Valve
3 Swing Valve
4 Control Valve
5 Pilot Valve
6 Travel Device
7 Others (Upperstructure)
8 Others (Undercarriage)

Section 4 – Operational Performance Test
1 Introduction
2 Standard
3 Engine Test
4 Excavator Test
5 Component Test
6 Adjustment

Section 5 – Troubleshooting
1 Diagnosing Procedure
2 Troubleshooting A
3 Troubleshooting B
4 Troubleshooting C
5 Electrical System Inspection