Illustrated factory Service Manual for Hitachi Crawler Excavators Models UH082.

This manual will assist you in diagnosing, analyses, testing, and repair for your crawler excavator.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   UH082

Format: PDF, 496 pages
Language: English
Table of Contents:
   UH082
   CARE OF THE HANDLING
   FOREWORD
   UHO82 SPECIFICATION SCONTENTS
      1. ENGINE
      2. MAIN PUMP
      3. GEAR PUMP
      4. CONTROL VALVE (LEFT)
      5. CONTROL VALVE (RIGHT)
      6. SWING MOTOR
      7. BRAKE VALVE (FOR SWING MOTOR)
      8. TRAVEL MOTOR
      9. TRAVEL REDUCTION MECHANISM
      10. BRAKE VALVE (FOR TRAVEL MOTOR)
      11. PILOT BRAKE VALVE
      12. SLOW RETURN VALVE
      13. MAKE-UP VALVE
      14. ARM CYLINDER
      15. BUCKET CYLINDER
      16. BOOM CYLINDER
      17. CENTER JOINT
      18. RELIEF VALVE
      19. FULL-FLOW FILTER
      20. DRAIN FILTER
      21. SUCTION FILTER
      22. OIL COOLER
      23. HYDRAULIC TANK
      24. SAFETY VALVE (ON HYDRAULIC TANK)
      25. GOVERNCR
      26. AIR TANK
      27. SAFETY VALVE (ON AIR TANK)
      28. AIR REGULATOR
      29. AIR FILTER
      30. AIR COMPRESSOR
   UHO82 OPERATIONAL PRINCIPLE CONTENTS
      UHO82 GENERAL
      BRAKE VALVE
      CYLINDER
      FULL-FLOW FILTER
      HM MOTOR
      IP GEAR PUMP
      MVP25 CONTROL VALVE
      KVC PLUNGER PUMP
      PREFERENCE VALVE
      REGULATOR
      SLOW RETURN VALVE
      SIX MOTOR
      SWING REDUCTION DEVICE
      SLOW RETURN VALVE
   UHO82 DISASSEMBLY AND ASSEMBLY CONTENTS
      BRAKE VALVE
      CYLINDER
      HM MOTOR
      IP GEAR PUMP
      MVP TYPE CONTROL VALVE
      KVC PLUNGER PUMP
      TRAVEL DEVICE
      REGULATOR (REFERENCE)
      SX MOTOR
      SWING REDUCTION DEVICE
   UHO 82 MAINTENANCE STANDARD
      UHO 82 MAINTENANCE STANDARDS
      HM MOTOR
      SIX MOTOR
      CYLINDER
      CONVERSION TABLE