All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models Zaxis 135US-3, Zaxis 135USK-3 and Zaxis 135USL-3.

This manuals will assist you in diagnosing, repairing, troubleshooting, and operating for your crawler excavator.
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Covered Models:
   Zaxis 135US-3
   Zaxis 135USK-3
   Zaxis 135USL-3

The manual comprises 5 documents, including the Workshop Manual, Troubleshooting Manual, Operational Principle Manual, Operators Manual, and Wiring Diagram

1. Workshop Manual (W1R7-E1-00)
Format: PDF, 522 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air from Hydraulic Oil Tank
   UPPERSTRUCTURE
      Cab
      Counterweight
      Main Frame
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Pilot Shut-Off Solenoid Valve
      Signal Control Valve
      Spool 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
   SERVICE MANUAL REVISION REQUEST FORM

2. Troubleshooting Manual (TT1R7-E1-00)
Format: PDF, 696 pages
Language: English
Table of Contents:
   OPERATIONAL PERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Excavator Test
      Component Test
      Adjustment
   TROUBLESHOOTING
      Diagnosing Procedure
      Monitor Unit
      Dr. ZX
      e-Shovel
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Electrical System Inspection

3. Operational Principle Manual (T1R7-E1-00)
Format: PDF, 334 pages
Language: English
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Controller
      Control System
      ECM System
      Hydraulic System
      Electrical System
   COMPONENT OPERATION
      Pump Device
      Swing Device
      Control Valve
      Pilot Valve
      Travel Device
      Signal Control Valve
      Others (Upperstructure)
      Others (Undercarriage)

4. Operators Manual (EM1U4NA21)
Format: PDF, 323 pages
Language: English
Table of Contents:
   EM1U4-NA2-1
   INTRODUCTION
   INDEX
   MACHINE NUMBERS
   SAFETY
   SAFETY SIGNS
   COMPONENTS NAME
   OPERATOR’S 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 (TT1R7-E1-00_curcuit)
Format: PDF, 13 pages
Language: English
Table of Contents:
   ZX110-3 CLASS/120-3 CLASS ELECTRICAL CIRCUIT DIAGRAM
   ZX135US-3 CLASS ELECTRICAL CIRCUIT DIAGRAM
   ZX110-3 CLASS/120-3 CLASS CONNECTORS
   ZX135US-3 CLASS CONNECTORS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS CAB HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS ENGINE HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS MONITOR HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS AIR CONDITIONER HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS ENGINE STOP SWITCH HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS PILOT SHUT-OFF SOLENOID VALVE HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS PILOT SHUT-OFF SWITCH HARNESS
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS HYDRAULIC CIRCUIT DIAGRAM
   ZX110-3 CLASS/120-3 CLASS/135US-3 CLASS HYDRAULIC CIRCUIT DIAGRAM (BLADE)(OPTIONAL)