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: 794
Number: SEBM009805 (august 2000)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Hydraulic Excavator
PC128UU-1
SN 2347 And Up
PC128US-1
SN 1715 And Up
Contents
-GENERAL
General Assembly Drawing
Specifications
Weight Table
List Of Lubricants And Water
-STRUCTURE AND FUNCTION
Radiator And Oil Cooler
PTO (Coupling)
Engine Control
Powertrain System
Swing Circle
Swing Machinery
Track Frame
Idler Cushion
Track Shoe
Hydraulic Piping Drawing
Hydraulic Circuit Diagram
Hydraulic Tank
Hydraulic Pump
Control Valve
CLSS
Swing Motor
Travel Motor
Center Swivel Joint
Valve Control
PPC Valve
PPC Shuttle And Travel Junction Valve
EPC Solenoid Valve
Boom Holding Valve
Work Equipment
Air Conditioner
Actual Electrical Wiring Diagram
Electronic Circuit Diagram
Electronic Control System
Machine Monitoring System
-TESTING AND ADJUSTING
Standard Value Table For Engine Related Parts
Standard Value Table For Chassis Related Parts
Standard Value Table For Electrical Related Parts (Except Automatic Horizontal Digging Machine)
Standard Value Table For Electrical Related Parts
Tools For Testing, Adjusting And Troubleshooting
Measuring Engine Speed
Measuring Exhaust Color
Adjustment Valve Clearance
Measurement Blow-By Pressure
Measurement Engine Oil Pressure
Testing And Adjustment Of Fuel Injection Timing
Testing And Adjusting Air Conditioner Compressor Belt Tension
Adjusting Engine Speed Sensor
Adjusting Fuel Control Cable
Adjusting Fuel Control Cable
Adjusting Engine Stop Solenoid Linkage
Testing And Adjusting Hydraulic Pressure In Work Equipment, Swing, Travel Circuit
Testing And Adjusting Output Pressure Of PC Valve (Servo Piston Input Pressure)
Testing And Adjusting LS Valve Output Pressure (Servo Piston Input Pressure) And Ls Differential Pressure
Testing And Adjusting Control Pump Circuit Oil Pressure
Testing Solenoid Valve Output Pressure
Measuring PPC Valve Output Pressure And Testing PPC Shuttle Valve
Adjusting Work Equipment, Swing PPC Valve
Testing And Adjusting Travel Deviation
Checking Location Of Cause Of Hydraulic Drift Of Work Equipment
Measurement Oil Leakage Of Swing, Travel Motor
Releasing Remaining Pressure In Hydraulic Circuit
Testing Clearance Of Swing Circle Bearing
Testing And Adjusting Track Shoe Tension
Bleeding Air
Procedure For Resetting Electrical System And Checking Operation
Procedure For Replacing Potentiometer
Procedure For Checking Diode
Troubleshooting
-DISASSEMBLY AND ASSEMBLY
Precautions When Carrying Out Operation
Special Tool List
Sketches Of Special Tools
Starting Motor
Alternator
Engine Oil Cooler
Fuel Injection Pump
Water Pump
Nozzle Holder
Turbocharger
Thermostat
Cylinder Head
Engine. Main Pump
Radiator, Hydraulic Cooler
Fuel Tank
Center Swivel Joint
Sprocket
Travel Motor
Swing Motor, Swing Machinery
Swing Machinery
Swing Motor
Revolving Frame
Swing Circle
Idler, Recoil Spring
Recoil Spring
Idler
Track Roller
Carrier Roller
Steel Shoe Rubber Pad Shoe, Load Liner
Integrated Rubber Shoe
Hydraulic Tank
Main Pump
Control Pump
PC-EPC, LS-EPC Valve
PC Valve
LS Valve
Control Valve
LS Select Valve
LS Shuttle Valve
Pressure Compensation Valve
Main Relief Valve
Solenoid Valve
Work Equipment LH.PPC Valve (Arm, Swing)
Work Equipment R.H. PPC Valve (Boom, Bucket)
Work Equipment PPC Valve (Boom, Bucket, Arm, Swing)
Travel PPC Valve
PPC Valve FPR Offset Control
Blade PPC Valve
Boom Lock Valve
Boom Cylinder
Arm Cylinder
Bucket Cylinder
Offset Cylinder
Blade Cylinder
Hydraulic Cylinder
Work Equipment
Bucket
Arm
Bucket, Arm
Second Boom
1St Boom
Blade
Operator’s Cab
Floor Frame
Air Conditioner Compressor
Air Condenser
Counterweight
Controller
Monitor
Car Cooler Unit
-MAINTENANCE STANDARD
Swing Machinery
Swing Circle
Track Frame
Idler
Carrier Roller
Track Roller
Sprocket
Track Shoe
Hydraulic Pump
Control Valve
Swing Motor
Travel Motor
Center Swivel Joint
PPC Valve
PPC Shuttle-Travel Junction Valve
EPC Solenoid Valve
Boom Holding Valve
Hydraulic Cylinder
Work Equipment
Dimension Of Work Equipment
-OTHERS
Hydraulic Piping Drawing
Machine Equipment With Automatic Horizontal Excavation Control (PC128UU-1)
Hydraulic Circuit Diagram (PC128UU-1)
Machine Equipment With Automatic Horizontal Excavation Control (PC128UU-1)
CLSS
Actual Electrical Wiring Diagram (PC128UU-1)
Electrical Circuit Diagram (PC128UU-1)
Electronic Control System
Hydraulic Circuit Diagram (PC128US-1)
Electrical Circuit Diagram (PC128US-1)
Connector Arrangement Diagram
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