All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models UH122.

This manuals will assist you in diagnosing, analyses, testing, repair, and operating for your crawler excavator.
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Covered Models:
   UH122

The manual comprises 3 documents, including two Service Manuals, and the Operators Manual

1. Service Manual (UH122)
Format: PDF, 338 pages
Language: English
Table of Contents:
   UH122 OPERATIONAL PLINCIPLE
      GENERAL
      ASSIST VALVE
      BRAKE VALVE
      PREFERENCE VALVE
      SLOW RETURN VALVE
      MVP CONTROL VALVE
      CYLINDER
      FULL-FLOW FILTER
      HM MOTOR
      SX MOTOR
      KVC PLUNGER PUMP
      SWING REDUCTION DEVICE
   UH122 DISASSEMBLY AND ASSEMBLY
      BRAKE VALVE
      MVP CONTROL VALVE
      CYLINDER
      HM MOTOR
      SX MOTOR
      KVC PLUNGER PUMP
      SWING REDUCTION DEVICE
      MAINTENANCE STANDARD
   UH122 MAINTENANCE STANDARD
      CYLINDER
      HM MOTOR
      SX MOTOR

2. Service Manual (km02300)
Format: PDF, 304 pages
Language: English

3. Operators Manual (em17117)
Format: PDF, 86 pages
Language: English
Table of Contents:
   FRONT COVER
   FOR SAFER EXCAVATOR OPERATION
   FOREWORD
   SPECIFICATION
   CONSTRUCTION
   OPERATION
   MAINTENANCE AND ADJUSTMENT
   TRANSPORTATION
   TROUBLESHOOTING GUIDE