All-Inclusive Factory Service Technical manual for Hitachi Compact Excavators Models Zaxis 48U-3 and Zaxis 52U-3.

This manuals will assist you in diagnosing, repairing, operating, and troubleshooting for your compact excavator.
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Covered Models:
   Zaxis 48U-3
   Zaxis 52U-3

The manual comprises 3 documents, including the Technical Manual, Operators Manual, and Wiring Diagram

1. Technical Manual (T1NM-E-00)
Format: PDF, 356 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

2. Operators Manual (EM1NE-EN1-2)
Format: PDF, 246 pages
Language: English

3. Wiring Diagram (T1NM-E-00CIR)
Format: PDF, 16 pages
Language: English
Table of Contents:
   ZX48U-3/52U-3 HYDRAURIC CIRCUIT DIAGRAM
   ZX48U-3/52U-3 ELECTRICAL CIRCUIT DIAGRAM (Standard)
   ZX48U-3/52U-3 ELECTRICAL CIRCUIT DIAGRAM (Optional)
   ZX48U-3/52U-3 MAIN/ENGINE HARNESS
   ZX48U-3/52U-3 FLOOR HARNESS
   ZX48U-3/52U-3 KEY SWITCH HARNESS
   ZX48U-3/52U-3 BOOM LIGHT HARNESS
   ZX48U-3/52U-3 BATTERY HARNESS (+)
   ZX48U-3/52U-3 BATTERY HARNESS (−)
   ZX48U-3/52U-3 AIR CONDITIONER HARNESS (FLOOR) (Cab Version Only)
   ZX48U-3/52U-3 AIR CONDITIONER HARNESS (SOLENOID VALVE) (Cab Version Only)
   ZX48U-3/52U-3 AIR CONDITIONER HARNESS (COMPRESSOR) (Cab Version Only)
   ZX48U-3/52U-3 MULTIFUNCTION LEVER HARNESS (Optional)
   ZX48U-3/52U-3 TRAVEL ALARM HARNESS (FLOOR) (Optional)
   ZX48U-3/52U-3 TRAVEL ALARM HARNESS (ALARM) (Optional)
   ZX48U-3/52U-3 AUXILIARY FLOW SELECTOR VALVE HARNESS (SWITCH) (Optional)