All-Inclusive Factory Service Technical manual for Hitachi Compact Excavators Models Zaxis 70-3, Zaxis 70LC-3, Zaxis 70LCN-3, Zaxis 75US-3 and Zaxis 85US-3.

This manuals will assist you in diagnosing, repairing, troubleshooting, operating, and finding spare parts for your compact excavator.
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Covered Models:
   Zaxis 70-3
   Zaxis 70LC-3
   Zaxis 70LCN-3
   Zaxis 75US-3
   Zaxis 85US-3

The manual comprises 7 documents, including the Workshop Manual, Troubleshooting Manual, Operational Principle Manual, Operators Manual, Wiring Diagram, and two Parts Catalogs

1. Workshop Manual (W1P1-E-01)
Format: PDF, 730 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air from Hydraulic OilTank
   UPPERSTRUCTURE
      Cab
      Counterweight
      Main Frame
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Pilot Shut-Off Solenoid Valve
      Shockless Valve
      Solenoid Valve Unit
      Engine
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Front Idler
      Upper and Lower Roller
      Track
   FRONT ATTACHMENT
      Front Attachment
      Cylinder
   ENGINE
      General Information
      Engine

2. Troubleshooting Manual (TT1P1E01)
Format: PDF, 402 pages
Language: English
Table of Contents:
   OPERATIONALPERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Excavator Test
      Component Test
      Adjustment
   TROUBLESHOOTING
      Diagnosing Procedure
      Monitor Unit
      Dr. ZX
      ICF
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Electrical System Inspection

3. Operational Principle Manual (TO1P1E01)
Format: PDF, 236 pages
Language: English
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Controller
      Control System
      Hydraulic System
      Electrical System
   COMPONENT OPERATION
      Pump Device
      Swing Device
      Control Valve
      Pilot Valve
      Travel Device
      Others (Upperstructure)
      Others (Undercarriage)

4. Operators Manual (EM1P1-1-2)
Format: PDF, 337 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
   MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
   STORAGE
   TROUBLESHOOTING
   SPECIFICATIONS
   OPTIONAL ATTACHMENTS AND DEVICES
   INDEX

5. Wiring Diagram (TT1P1E01CIR)
Format: PDF, 14 pages
Language: English
Table of Contents:
   ZX70-3/75US-3 ELECTRICAL CIRCUIT DIAGRAM
   ZX70-3/75US-3 CONNECTORS
   ZX70-3/75US-3 CAB HARNESS
   ZX70-3 ENGINE HARNESS
   ZX75US-3 ENGINE HARNESS
   ZX70-3/75US-3 MONITOR HARNESS
   ZX70-3/75US-3 CONSOLE HARNESS
   ZX70-3/75US-3/85USB-3 CIGAR LIGHTER HARNESS
   ZX70-3/75US-3/85USB-3 ENGINE STOP / LEARNING SWITCH HARNESS
   ZX70-3/75US-3/85USB-3 PILOT SHUT-OFF SOLENOID VALVE HARNESS
   ZX70-3/75US-3/85USB-3 PILOT SHUT-OFF SWITCH HARNESS
   ZX70-3/75US-3 AIR CONDITIONER HARNESS
   ZX70-3 HYDRAULIC CIRCUIT DIAGRAM
   ZX75US-3 HYDRAULIC CIRCUIT DIAGRAM

6. Parts Catalog (P1P1-1-2)
Format: PDF, 653 pages
Language: English
Table of Contents:
   FOREWORD
   UPPERSTRUCTURE
   UNDERCARRIAGE
   MONO-BOOM ATTACHMENT
   OFFSET ATTACHMENT
   BREAKER,CRUSHER PARTS(MONO-BOOM)
   BREAKER,CRUSHER PARTS (OFFSET-BOOM)
   ASSISTPIPING
   ML CRANE PARTS
   ETC.
   TOOLS
   NAME-PLATE
   PARTS INDEX

7. Parts Catalog: Equipment Components (P1P1-E1-2)
Format: PDF, 139 pages
Language: English
Table of Contents:
   MEMORANDUM
   FORWORD
      PUMP;PISTON (1/3)
      PUMP;PISTON (2/3)
      PUMP;PISTON (3/3)
      PUMP;GEAR
      SWING DEVICE
      MOTOR;OIL (SWING)
      TRAVEL DEVICE
      MOTOR;OIL (TRAVEL)
      VALVE;BRAKE
      VALVE;RELIEF
      VALVE;CONTROL (1/5)
      VALVE;CONTROL (2/5)
      VALVE;CONTROL (3/5)
      VALVE;CONTROL (4/5)
      VALVE;CONTROL (5/5)
      VALVE;CONTROL(1/5)
      VALVE;CONTROL(2/5)
      VALVE;CONTROL(3/5)
      VALVE;CONTROL(4/5)
      VALVE;CONTROL(5/5)
      VALVE;CONTROL
      VALVE;PILOT
      VALVE;PILOT (FRONT, SWING)
      VALVE;PILOT (TRAVEL)
      VALVE;PILOT (BLADE, OFFSET)
      VALVE;SOLENOID
      VALVE;SOLENOID
      VALVE;SOLENOID
      VALVE;SOLENOID (BUCKET LOCK)
      VALVE;SHUTTLE
      VALVE;LOCK
      VALVE;SLOW-RETURN
      VALVE;SLOW-RETURN
      VALVE;ROTARY
      VALVE
      FILTER;OIL
      JOINT;CENTER
      JOINT;CENTER (BLADE)
      CYL.;BOOM
      CYL.;BOOM (WITH HOLDING VALVE)
      VALVE;HOLDING (BOOM)
      CYL.;BOOM (WITH HOLDING VALVE)(ML)
      CYL.;ARM
      CYL.;ARM (WIHT HOLDING VALVE)
      VALVE;HOLDING (ARM)
      CYL.;OFFSET
      CYL.;BUCKET
      CYL.;BLADE
      CYL.;BLADE
   PARTS INDEX