Description
The Factory Shop Manual for the Komatsu excavator. Includes detailed illustrations, instructions, and diagrams that facilitate step-by-step processes for the removal and installation, assembly and disassembly, servicing, inspection, repair, troubleshooting, tune-ups.
Pub.No: SEBM001302
Issued: september 2000
Language: English
Pages: 399
Bookmarks
Wiring Diagrams
Hydraulic Diagrams
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Models
Komatsu Excavator
PC75UU-2
Serial No. 5001 and up
Contents
SAFETY
-FOREWORD
How To Read The Shop Manual
Hoisting Instructions
Standard Tightening Torque
Coating Materials
Electric Wire Code
Conversion Table
-GENERAL
General Assembly Drawing
Specifications
Weight Table
List Of Lubricant And Water
-STRUCTURE AND FUNCTION
Hydraulic Piping Diagram
Hydraulic Circuit Diagram
Electric Wiring Diagram
Electric Circuit Diagram
-TESTING AND ADJUSTING
Table Of Judgment Standard Value
Standard Value Table For Electrical Parts
Tools For Testing, Adjusting, And Troubleshooting
Measuring Engine Speed
Measuring Engine Oil Pressure
Measuring Compression Pressure
Measuring Blow-By
Adjusting Valve Clearance
Testing And Adjusting Fuel Injection Timing
Testing And Adjusting Alternator Fan Belt Tension
Adjusting Fuel Control Lever
Testing And Adjusting Track Shoe Tension
Testing And Adjusting Hydraulic Pressure In Work Equipment, Swing, Travel
Circuit
Testing Control Circuit Pressure
Measuring Output Pressure Of PPC Valve
Adjusting PPC Valve
Measuring Outlet Port Pressure Of Solenoid Valve, EPC Valve
Measuring Oil Leakage Inside Cylinder
Measuring Oil Leakage From Swing, Travel Motor
Bleeding Air From Hydraulic Circuit
Releasing Remaining From Hydraulic Circuit
Adjusting Blade Control Lever
Adjusting Travel Control Lever
Procedure For Resetting Electrical System Input/Output Signals And Checking Operation
Procedure For Replacing Potentiometer
Procedure For Checking Diode
Troubleshooting
-DISASSEMBLY AND ASSEMBLY
Method Of Using Manual
Precautions When Carrying Out Operation
Special Tools List
Schematic Drawing Of Special Tool
Starting Motor
Alternator
Fuel Injection Pump
Water Pump
Nozzle Holder
Thermostat
Engine Front Seal
Engine Rear Seal
Cylinder Head
Hydraulic Oil Cooler
Radiator
Engine And Main Pump
Damper
Center Swivel Joint
Travel Motor
Sprocket
Swing Motor And Swing Machinery
Swing Motor
Swing Machinery
Revolving Frame
Swing Circle
Idler And Recoil Spring
Idler
Recoil Spring
Track Roller
Carrier Roller
Rubber Shoe
Steel Shoe And Road Liner
PPC Pump
Main Pump
3-Spool Control Valve
4-Spool Control Valve
Main Relief Valve
PPC Valve On Left Side Of Work Equipment
PPC Valve On Right Side Of Work Equipment
Work Equipment PPC Valve
PPC Valve For Offset Operation
Arm Cylinder
Bucket Cylinder
Boom Cylinder
Offset Cylinder
Blade Cylinder
Hydraulic Cylinder
Work Equipment
Bucket
Arm
2Nd Boom
Bucket And Arm
1St Boom
Blade
Operator’s Cab
Floor Frame
Fuel Tank
Controller
Monitor
Counterweight
-MAINTENANCE STANDARD
Swing Machinery
Swing Circle
Track Frame, Recoil Spring
Idler
Track Roller
Carrier Roller
Sprocket
Track Shoe
Hydraulic Pump
3-Spool Control Valve (For Front Pump)
3-Spool Control Valve (For Center Pump)
4-Spool Control Valve
Swing Motor
Center Swivel Joint
PPC Valve
Hydraulic Cylinder
Work Equipment
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