All-Inclusive Factory Service Technical manual for Hitachi Compact Excavators Models Zaxis 40U-3, Zaxis 40U-3F, Zaxis 50U-3 and Zaxis 50U-3F.

This manuals will assist you in diagnosing, repairing, operating, and troubleshooting for your compact excavator.
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Covered Models:
   Zaxis 40U-3
   Zaxis 40U-3F
   Zaxis 50U-3
   Zaxis 50U-3F

The manual comprises 4 documents, including the Workshop Manual, Technical Manual, Operators Manual, and Wiring Diagram

1. Workshop Manual (W1NG-E-00)
Format: PDF, 400 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air from Hydraulic Oil Tank
      Floor-Tilting Device
   UPPERSTRUCTURE
      Canopy and Cab
      Counterweight
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Solenoid Valve
      Revolution Sensing Valve
      Auxiliry Flow Rate Selector Valve
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Front Idler
      Upper and Lower Roller
      Track
   ATTACHMENT
      Front Attachment
      Cylinder

2. Technical Manual (T1NG-E-00)
Format: PDF, 364 pages
Language: English
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Control System
      Hydraulic System
      Electrical System
   COMPONENT OPERATION
      Pump Device
      Revolution Sensing Valve
      Swing Device
      Control Valve
      Pilot Valve
      Travel Device
      Others (Upperstructure)
      Others (Undercarriage)
   OPERATIONAL PERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Excavator Test
      Component Test
      Adjustment
   TROUBLESHOOTING
      Diagnosing Procedure
      Troubleshooting A
      Troubleshooting B
      Troubleshooting C
      Electrical System Inspection

3. Operators Manual (EM1NE-1-1)
Format: PDF, 246 pages
Language: English
Table of Contents:
   INTRODUCTION
   INDEX
   MACHINE NUMBERS
   SAFETY
   SAFETY SIGNS
   COMPONENTS NAME
   OPERATORS STATION
   BREAK-IN
   OPERATING THE ENGINE
   DRIVING THE MACHINE
   OPERATING THE MACHINE
   TRANSPORTING
   MAINTENANCE
   CONSUMABLE PARTS LIST
   MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
   STORAGE
   TROUBLESHOOTING
   SPECIFICATIONS
   OPTIONAL ATTACHMENT AND DEVICE
   INDEX

4. Wiring Diagram (T1NGE00_circuit)
Format: PDF, 19 pages
Language: English
Table of Contents:
   ZX40U-3 CLASS/50U-3 CLASS HYDRAURIC CIRCUIT DIAGRAM
   ZX40U-3/50U-3 ELECTRICAL CIRCUIT DIAGRAM (Standard)
   ZX40U-3F/50U-3F ELECTRICAL CIRCUIT DIAGRAM (Standard)
   ZX40U-3/50U-3 MAIN/ENGINE HARNESS
   ZX40U-3F/50U-3F MAIN/ENGINE HARNESS
   ZX30U-3/35U-3/40U-3/50U-3 FLOOR HARNESS
   ZX30U-3F/35U-3F/40U-3F/50U-3F FLOOR HARNESS
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS KEY SWITCH HARNESS
   ZX40U-3 CLASS/50U-3 CLASS BOOM LIGHT HARNESS
   ZX40U-3 CLASS/50U-3 CLASS BATTERY HARNESS (+)
   ZX40U-3 CLASS/50U-3 CLASS BATTERY HARNESS (−)
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS AIR CONDITIONER HARNESS (FLOOR) (Cab Version Only)
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS AIR CONDITIONER HARNESS (SOLENOID VALVE) (Cab Version Only)
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS AIR CONDITIONER HARNESS (COMPRESSOR) (Cab Version Only)
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS MULTIFUNCTION LEVER HARNESS (Optional)
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS TRAVEL ALARM HARNESS (FLOOR) (Optional)
   ZX27U-3 CLASS/30U-3 CLASS/35U-3 CLASS/40U-3 CLASS/50U-3 CLASS TRAVEL ALARM HARNESS (ALARM) (Optional)
   ZX40U-3 CLASS/50U-3 CLASS AUXILIARY FLOW SELECTOR VALVE HARNESS (SWITCH) (Optional)