Factory Shop Manual For Komatsu Hydraulic Excavator. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 1043
Number: CEBM018803 (august 2011)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PC400LC-8
SN A88001-A88545

Contents

SAFETY
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
PUSH PULL COUPLER
EXPLANATION OF MAINTENANCE STANDARD TERMS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLES
COATING MATERIALS
-GENERAL
Specification Dimension Drawings
Specifications
Weight Table
Fuel, Coolant And Lubricants
-STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD
Engine And Cooling System
Powertrain
Undercarriage And Frame
Hydraulic System
Work Equipment
Air Conditioner Piping
Electrical System
Electronic Control System
Monitor System
Komtrax Terminal System
-STANDARD VALUE TABLES
Engine Related
Chassis Related
-TESTING AND ADJUSTING
Service Tools
Engine
Fan Belt And Alternator Belt Tension
Air Conditioner Compressor Belt Tension
Swing Circle Bearing Clearance
Track Shoe Tension
Oil Pressure In Work Equipment, Swing, And Travel Circuits
Control Circuit – Basic Pressure
Pump PC Control Circuit
Pump LS Control Circuit
Solenoid Valve – Output Pressure
PPC Valve – Output Pressure
Work Equipment PPC Valve And Swing PPC Valve – Play Adjustment
Work Equipment – Hydraulic Drift – Cause
Hydraulic Circuit – Releasing Remaining Pressure
Bleeding Air From Various Parts
Machine Monitor – Special Functions
Handling Voltage Circuit Of Engine Controller
Preparation Work For Troubleshooting Of Electrical System
Diode Inspection Procedures
PM Clinic Service
-TROUBLESHOOTING
Failure Codes Table
Fuse Locations
General Information
Failure Code (Display Of Code)
E-Mode (Electrical System)
H-Mode (Hydraulic And Mechanical Systems)
-DISASSEMBLY AND ASSEMBLY
Special Tools List
Sketches Of Special Tools
Connector Repair Procedures
Engine Components
Radiator
Hydraulic Oil Cooler
Aftercooler
Engine And Hydraulic Oil Pump
Drive Assembly
Swing Motor And Swing Machinery
Swing Circle
Carrier Roller
Track Roller
Idler
Recoil Spring
Sprocket
Track Shoe
Revolving Frame
Counterweight
Counterweight Remover
Center Swivel Joint
Hydraulic Tank
Control Valve
Hydraulic Pump
Hydraulic Pump Input Shaft Oil Seal
Work Equipment PPC Valve
Travel PPC Valve
Hydraulic Cylinder
Work Equipment
Cab
Electrical Systems
-DIAGRAMS AND DRAWINGS
Hydraulic Circuit Diagram
Electrical Circuit Diagram