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: 1147
Number: CEBM007202 (august 2011)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PC270LC-8
SN A87001 And Up

Contents

SAFETY
GENERAL
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
PUSH PULL COUPLER
COATING MATERIALS
EXPLANATION OF MAINTENANCE STANDARD TERMS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLES
-GENERAL
Specification And Technical Data
Table Of Fuel, Coolant And Lubricants
-STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD
Engine And Cooling
Powertrain
Undercarriage And Frame
Hydraulic System
Work Equipment
Cab And Its Attachments
Electrical System
Monitor System
Sensors
Komtrax Terminal System
-STANDARD VALUE TABLES
Standard Service Value Table
-TESTING AND ADJUSTING
Tools For Testing, Adjusting, And Troubleshooting
Engine Speed
Intake Air Pressure (Boost Pressure)
Exhaust Gas Color
Valve Clearance
Compression Pressure
Blow-By Pressure
Engine Oil Pressure
Handling Fuel System Parts
Air Conditioner Compressor Belt
Fan Belt
Swing Circle Bearing
Track Chain Tension
Work Equipment, Swing, And Travel Circuits Oil Pressure
Control Circuit Basic Pressure
Oil Pressure In Pump PC Control Circuit
Oil Pressure In Pump LS Control Circuit
Solenoid Valve Output Pressure
PPC Valve Output Pressure
Work Equipment And Swing PPC Valves
Hydraulic Drift Of Work Equipment
Residual Pressure From Hydraulic Circuit
Oil Leakage
Bleeding Air From Each Part
Cab Tipping Stopper
Mirrors
Special Functions Of Machine Monitor
Handling Voltage Circuit Of Engine Controller
Preparation Work For Electrical System
Procedure For Testing Diodes
PM Clinic Service
-TROUBLESHOOTING
General Information
Failure Code (Display Of Code)
Electrical System (E-Mode)
Hydraulic And Mechanical System (H-Mode)
-DISASSEMBLY AND ASSEMBLY
Special Tools List
Sketches Of Special Tools
Connector Repair Procedures
Engine And Cooling System
Powertrain
Undercarriage And Frame
Hydraulic System
Work Equipment
Cab And Its Attachments
Electrical System
-AIR CONDITIONER
Structure And Function
Testing And Adjusting
Troubleshooting
-DIAGRAMS AND SCHEMATICS
Hydraulic System
Electrical System