Komatsu PC450-7K and PC450LC-7K Excavator Shop Manual PDF

Komatsu shop manual is a detailed source of important workshop information and intended for excavators models that help to improve maintenance and repair these excavators:

PC450-7K
PC450LC-7K

This manual is written for use by the operator and the service technician and is designed to help these persons to become fully knowledgeable of the excavators and all its systems in order to keep it operating safely and efficiently.

Contents:

• 1. GENERAL
  • SPECIFICATION DRAWINGS
  • SPECIFICATIONS
  • WEIGHT TABLE
  • FUEL, COOLANT, AND LUBRICANTS
• 10. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
  • ENGINE RELATED PARTS
  • RADIATOR OIL COOLER AFTERCOOLER
  • POWER TRAIN
  • FINAL DRIVE
  • SWING MACHINERY
  • SWING CIRCLE
  • TRACK FRAME AND RECOIL SPRING
  • IDLER
  • CARRIER ROLLER
  • TRACK ROLLER
  • TRACK SHOE
  • HYDRAULIC PIPING DRAWING
  • HYDRAULIC TANK
  • HYDRAULIC PUMP
  • LS(PC)-EPC VALVE
  • VARIABLE VOLUME VALVE
  • CONTROL VALVE
  • MAIN RELIEF VALVE
  • CLSS
  • SELF PRESSURE REDUCING VALVE
  • SWING MOTOR
  • CENTER SWIVEL JOINT
  • TRAVEL MOTOR
  • TRAVEL JUNCTION VALVE
  • VALVE CONTROL
  • TRAVEL PPC SHUTTLE VALVE
  • WORK EQUIPMENT SWING PPC VALVE
  • TRAVEL PPC VALVE
  • SERVICE PPC VALVE
  • SOLENOID VALVE
  • PPC ACCUMULATOR
  • RETURN OIL FILTER
  • QUICK RETURN VALVE
  • LIFT CHECK VALVE
  • ATTACHMENT CIRCUIT SELECTOR VALVE
  • HOLDING VALVE
  • HYDRAULIC CYLINDER
  • WORK EQUIPMENT
  • AIR CONDITIONER
  • ENGINE CONTROL
  • ELECTRONIC CONTROL SYSTEM
  • MONITOR SYSTEM
  • SENSOR
• 20. TESTING AND ADJUSTING
  • STANDARD VALUE TABLE FOR ENGINE
  • STANDARD VALUE TABLE FOR CHASSIS
  • TESTING AND ADJUSTING
  • TROUBLESHOOTING
• 30. DISASSEMBLY AND ASSEMBLY
  • HOW TO READ THIS MANUAL
  • PRECAUTIONS WHEN PERFORMING OPERATION
  • SPECIAL TOOL LIST
  • REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
  • REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
  • REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
  • REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
  • REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY
  • REMOVAL AND INSTALLATION OF NOZZLE TIP
  • REMOVAL AND INSTALLATION OF STARTING MOTOR ASSEMBLY
  • REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
  • REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
  • REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY
  • REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
  • REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
  • REMOVAL AND INSTALLATION OF SPROCKET
  • REMOVAL AND INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
  • EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY
  • REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
  • REMOVAL AND INSTALLATION OF OPERATOR’S CAB
  • REMOVAL AND INSTALLATION OF MONITOR ASSEMBLY
  • REMOVAL AND INSTALLATION OF PUMP CONTROLLER
  • REMOVAL AND INSTALLATION OF ENGINE CONTROLLER
  • REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
  • REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
  • REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
  • REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
  • REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
  • REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
  • REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
  • DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
  • REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
  • REMOVAL AND INSTALLATION OF OPERATOR’S CAB GLASS (STUCK GLASS)
  • REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
• 90. OTHERS
  • HYDRAULIC CIRCUIT DIAGRAM
  • ELECTRICAL CIRCUIT DIAGRAM

Manual provides qualified, professional and timely information as well as help desk troubleshooting information. This comprehensive manual is suitable for professional technicians and novice mechanics alike.

Features of the Manual
Format: PDF
Language: English
Compatible with all versions of Windows, Mac, Linux, iPhone, iPad, and Android
Here you will find a lot of illustrations and diagrams with descriptions, tables and schemes, detailed information, recommendations on the installation, disassembly, and assembly of parts, data of electrical and cooling systems, and much more helpful information.

FAQs
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