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: 495
Number: SEBMA021KD500 (July 1992)
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PC150LC-5
SN 6001 And Up
SN A70001 And Up

Contents

FOREWORD
-STRUCTURE AND FUNCTION
Power Train
Final Drive
Swing Circle
Swing Machinery
Track Frame
Idler
Idler Cushion
Carrier Roller
Track Roller
Track Shoe
hydraulic Piping
Hydraulic Circuit Diagram
Hydraulic Tank
OLSS (Open Center Load Sensing System)
Hydraulic Pump
LH 6-Spool Control Valve
RH 5-Spool Control Valve
Swing Motor
Center Swivel Joint
Travel Motor
Valve Control
PPC Valve
Accumulator
Safety Lock Valve
Solenoid Valve
Shuttle Valve
Boom Holding Valve
Hydraulic Cylinder
Electrical Wiring Diagram
Electrical Circuit Diagram
Engine Control System
PEMC System
EMACC (Electronic Monitor And Control Console)
-TESTING AND ADJUSTING
Table Of Judgment Standard Value
Standard Value Table For Electrical System
Tools For Testing, Adjusting, And Troubleshooting
Adjusting Valve Clearance
Measuring Compression Pressure
Testing And Adjusting Fuel Injection Timing
Adjusting Travel Of Governor Motor Lever
Adjusting Engine Speed Sensor
Adjusting Travel Limit Switch
Inspection Of Swing Circle Bearing Clearance
Testing And Adjusting Hydraulic Pressure In Work Equipment, Swing, Travel Circuit
Testing And Adjusting Charging Pump Pressure
Testing And Adjusting Main Pump Control Pressure
Measuring Stroke Of Servo Piston
Testing And Adjusting Travel Deviation
Measuring Output Pressure Of PPC Valve
Adjusting PPC Valve
Testing PPC Shuttle Valve
Measuring Solenoid Valve Outlet Port Pressure
Testing Locations Causing Hydraulic Drift Of Work Equipment
Bleeding Air
Releasing Remaining Pressure In Hydraulic Circuit
Troubleshooting
-DISASSEMBLY AND ASSEMBLY
Method Of Using Manual
Precautions When Carrying Out Operation
Special Tool List
Weight Table
Tightening Torques And Standard Values Table :
Lubricant And Coolant Table
Starting Motor
Alternator
Engine Oil Cooler
Fuel Injection Pump
Water Pump
Nozzle Holder
Turbocharger
Thermostat
Engine Front Seal
Engine Rear Seal
Governor Motor
Cylinder Head
Hydraulic Cooler
Radiator, Hydraulic Cooler
Engine Hydraulic Pump
PTO
Center Swivel Joint
Final Drive
Sprocket
Swing Motor
Swing Machinery
Revolving Frame
Swing Circle
Idler, Recoil Spring
Recoil Spring
Track Roller
Carrier Roller
Track Shoe
Charging Pump
Hydraulic Pump
Main Pump Input Shaft
Control Valve
Main Relief Valve
TVC Valve
CO NC Valve
Servo Valve
Work Equipment PPC Valve
PPC Shuttle Valve
Boom Holding Valve
Boom Cylinder
Arm Cylinder
Bucket Cylinder
Hydraulic Cylinder
Work Equipment
Bucket
Arm
Arm, Bucket
Boom
Operator’s Cab
Counterweight
Engine Throttle Controller
Pump Controller
Monitor Panel
-MAINTENANCE STANDARD
Final Drive
Swing Circle
Swing Machinery
Track Frame
Idler
Track Roller
Carrier Roller
Track Shoe
Hydraulic Pump
Charging Pump And Relief Valve
LH 6-Spool Control Valve
RH 5-Spool Control Valve
Swing Motor
Center Swivel Joint
Travel Motor
PPC Valve
Boom Holding Valve
Hydraulic Cylinder
Work Equipment