Komatsu PC78US-6 (SN from 4001, 4809-) and PC78UU-6 (SN from 22832) Crawler Excavators (Japan) Workshop Manual (SEBM025118)

Illustrated factory Workshop Manual for Komatsu Crawler Excavators Models PC78US-6 and PC78UU-6.

This manual will assist you in diagnosing, repairing, and adjusting for your crawler excavator.
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Covered Models (Japan):
   PC78US-6 (SN: from 4001; from 4809 For Norway & EU)
   PC78UU-6 (SN: from 22832)

Format: PDF, 1025 pages
Language: English
Table of Contents:
   GENERAL
      SPECIFICATION DIMENSIONS DRAWING
      WORKING RANGE DRAWING
      SPECIFICATIONS
      WEIGHT TABLE
      LIST OF LUBRICANTS AND COOLANT
   STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      PTO
      COOLING SYSTEM
      POWER TRAIN SYSTEM
      SWING CIRCLE
      SWING MACHINERY
      TRACK FRAME AND IDLER CUSHION
      IDLER
      TRACK ROLLER
      CARRIER ROLLER
      SPROCKET
      TRACK SHOE
      ARRANGEMENT OF HYDRAULIC COMPONENTS
      HYDRAULIC TANK AND OIL FILTER
      CENTER SWIVEL JOINT
      TRAVEL MOTOR
      WORK EQUIPMENT CYLINDER
      SOLENOID VALVE
      MULTI-CONTROL VALVE
      ACCUMULATOR FOR BRAKER
      HYDRAULIC PUMP
      CONTROL VALVE
      CLSS
      SWING MOTOR
      WORK EQUIPMENT AND SWING PPC VALVE
      TRAVEL PPC VALVE
      OFFSET PPC VALVE (PC78UU-6)ATTACHMENT PPC VALVE (PC78US-6)BLADE PPC VALVE (PC78UU,PC78US-6)
      WORK EQUIPMENT
      DIMENSIONS OF EACH PART OF WORK EQUIPMENT
      AIR CONDITIONER PIPING (OPTIONAL)
      ELECTRIC CONTROL SYSTEM
      SYSTEM COMPONENTS
      MONITOR SYSTEM
      SENSORS
   TESTING AND ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS
      STANDARD VALUE TABLE FOR ELECTRIC PARTS
      TESTING AND ADJUSTING
      TROUBLESHOOTING
   DISASSEMBLY AND ASSEMBLY
      METHOD OF USING MANUAL
      PRECAUTIONS WHEN CARRYING OUT OPERATION
      SPECIAL TOOL LIST
      COUNTERWEIGHT
      INJECTION PUMP
      CYLINDER HEAD
      MAIN PUMP
      CONTROLL PUMP
      ENGINE AND MAIN PUMP
      ENGINE HOOD ASSEMBLY
      HYDRAULIC OIL COOLER
      RADIATOR
      SWING MOTOR AND SWING MACHINERY
      SWING MACHINERY
      SWING MOTOR
      CENTER SWIVEL JOINT
      CONTROL VALVE
      WORK EQUIPMENT PPC VALVE
      TRAVEL PPC VALVE
      HYDRAULIC TANK
      FUEL TANK
      CONTROLLER
      MONITOR PANEL
      AIR CONDITIONER UNIT
      OPERATOR'S CAB
      FLOOR FRAME
      OPERATOR'S CAB GLASS (STUCK GLASS)
      FRONT WINDOW
      REVOLVING FRAME
      SWING CIRCLE
      WORK EQUIPMENT
      FIRST BOOM
      SECOND BOOM
      OFFSET BRACKET
      STEEL SHOE, RUBBER PAD SHOE, ROAD LINER
      RUBBER SHOE
      FINAL DRIVE AND TRAVEL MOTOR
      TRAVEL MOTOR
      IDLER
      RECOIL SPRING
      TRACK ROLLER
      HYDRAULIC CYLINDER
   OTHER SPECIFICATIONS
      PC78US-6(FOR NORWAY & EU)
      GENERAL
      STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      TROUBLESHOOTING
   OTHERS
      HYDRAULIC CIRCUIT DIAGRAM
      ELECTRICAL CIRCUIT DIAGRAM