All-Inclusive Factory Service Technical manual for Hitachi Compact Excavators Models Zaxis 27U-2, Zaxis 30U-2 and Zaxis 35U-2.

This manuals will assist you in diagnosing, repairing, operating, and troubleshooting for your compact excavator.
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Covered Models:
   Zaxis 27U-2
   Zaxis 30U-2
   Zaxis 35U-2

The manual comprises 5 documents, including the Workshop Manual, Technical Manual, Operators Manual, Wiring Diagram, and Hydraulic Circuit Diagram

1. Workshop Manual (W1MJE00)
Format: PDF, 550 pages
Language: English
Table of Contents:
   GENERAL INFORMATION
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air
      Floor-Tilting Device
   UPPERSTRUCTURE
      Canopy
      Counterweight
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Solenoid Valve
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Front Idler
      Upper And Lower Roller
      Track
   FRONT ATTACHMENT
      Front Attachment
      Cylinder
   ENGINE AND ACCESSORY
      PREFACE
      SAFETY LABELS
      . General
      . Inspection and adjustment
      . Troubleshooting
      . Disassembly, inspection and reassembly of engines
      . Lubrication system
      . Cooling system
      . Fuel injection pump / Governor
      . Turbocharger: Disassembly, inspection and reassembly
      . Starting motror
      . Alternator
      . Electric wiring
      . Service standards
      . Tightening torque for bolts and nuts

2. Technical Manual (T1MJE00)
Format: PDF, 316 pages
Language: English
Table of Contents:
   SECTION 1 GENERAL
      Specifications
      Component Layout
      Component Specifications
   SECTION 2 SYSTEM
      Control System
      Hydraulic System
      Electrical System
   SECTION 3 COMPONENT OPERATION
      Pump Device
      Swing Device
      Control Valve
      Pilot Valve
      Travel Device
      Others (Upperstructure)
      Others (Undercarriage)
   SECTION 4 OPERATIONAL PERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Excavator Test
      Component Test
      Adjustment
   SECTION 5 TROUBLESHOOTING
      Diagnosing Procedure
      Troubleshooting A
      Troubleshooting B
      Troubleshooting C
      Electrical System Inspection

3. Operators Manual (EM1M7-2-2)
Format: PDF, 230 pages
Language: English
Table of Contents:
   OPERATORS STATION
      Pedals, Levers and Monitor Panel
      Key Switch
      Switch Panel
      Monitor Panel
      Liquid Crystal display (LCD), Display Selection Switch, and Set Switch
      How to Operate Trip Meter
      Auto-Idle Switch (Except ZX27U-2)
      Air Conditioner Operation
      Tips for Air Conditioner Usage
      Radio (Cab Equipped Machines)
      AM/FM Radio Operation
      Cab Door Release lever (Cab-equipped machines)
      Opening/Closing Cab Front Window (Cab-equipped machines)
      Adjusting Operators Seat
      Tool and Operators manual Boxes
      Emergency Exit (Cab-equipped machines)
      Seat Belt (Optional)
      Cab Light (Cab-equipped machines)
   BREAK-IN
      Breaking in New Machine
   OPERATING THE ENGINE
      Before Starting Engine
      Starting Engine
      Check Machine After Starting Engine
      Using Booster Batteries
      Stopping the Engine
   DRIVING THE MACHINE
      Travel Levers and Pedals
      Travel Mode Switch
      Traveling on Soft Ground
      Raise One Track Using Boom and Arm
      Towing Machine
      Driving In Water or on Soft Ground
      Precautions for Traveling on Slopes
      Parking and Stopping on Slopes
      Parking on Slopes
   OPERATING THE MACHINE
      Control Lever (ISO Excavator Pattern)
      Control Lever (H-Pattern: HITACHI Excavator Pattern)
      Control Lever (SAE-Backhoe Pattern) --- If Equipped (2 Way Multi Valve)
      Boom-Swing Pedal
      Auxiliary Pedal (Optional)
      Blade Lever
      Precautions for Blade Operation
      Pilot Control Shut-Off Lever
      Warming Up Operation
      Warming Up in Cold Weather
      Auto-Idle Control (Except ZX27U-2)
      Operating Backhoe
      Grading Operation
      Avoid Driving Bucket Teeth Into Ground
      Avoid Abusive Operation
      Avoid Striking with Bucket
      Avoid Excavation Using Upperstructure and/or Boom Swing Power
      Use Correct Track Shoe
      Avoid Other than Specified Machine Operations
      Boom Cylinder May Hit Blade
      Avoid Hitting Blade with Bucket
      Avoid Colliding Blade Against Rocks
      Avoid Colliding Boom Cylinder with Track
      Precautions for Installing Wide Bucket or Special Type Bucket
      Using Rubber Crawler
      Hydraulic Breaker (Optional)
      Crusher Operation (Optional)
      Precautions for After Operating the Machine
      Auxiliary Flow Rate Control (Optional) (Except ZX27U-2)
      Emergency Boom Lowering Procedure
   TRANSPORTING
      Transporting by Road
      Trailer Loading/Unloading
      Loading
      Securing the Machine to the Trailer for Transportation
      Unloading
      Lifting Machine with Crane
   MAINTENANCE
      Procedures
      Prepare Machine for Inspection/Maintenance
      Opening/Closing Engine Access Covers
      Opening/Closing Tank Covers
      Daily Inspection
      Periodic Replacement of Parts
      Maintenance Guide
      The Brand Names of Recommended Oils and Lubricants
      A. Greasing
      B. Engine
      C. Transmission
      D. Hydraulic System
      E. Fuel System
      F. Air Cleaner
      G. Cooling System
      H. Electrical System
      I. Miscellaneous
      Check Tilt Mechanism Fulcrum Bolts for Looseness
      Preparation for Inspection and Maintenance
      Tilting Floor Down
   CONSUMABLE PARTS LIST
   MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
   STORAGE
      Storing the Machine
      Removing the Machine From Storage
   TROUBLESHOOTING
   SPECIFICATIONS
      Specifications
      Working Ranges
      Shoe Types and Applications
      Bucket Types and Applications
   REFERENCE
      Additional Counterweight
   INDEX

4. Wiring Diagram (T1M7E00cir)
Format: PDF, 22 pages
Language: English

5. Hydraulic Circuit Diagram (T1MJE00cir)
Format: PDF, 1 page
Language: English