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: 346
Number: WEBM002600
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Hydraulic Excavator
PC75R-2
SN 22E5200001 And Up
Contents
-FOREWORD
Foreword
How To Read The Manual
Hoisting Instructions
Standard Tightening Torque
Coating Materials
Electric Wire Code
Weight Table
Table Of Oil And Coolant Quantities
-STRUCTURE AND FUNCTION
PTO
Powertrain
Track Frame
Idler And Recoil Spring
Track Roller
Carrier Roller
Track Shoe
Swing Circle
Swing Machinery
Hydraulic Circuit Diagram (Standard)
Hydraulic Circuit Diagram (2-Piece Boom)
Hydraulic Pump
9-Spool Control Valve (Standard)
10-Spool Control Valve (Standard + 2-Piece Boom)
Swing Motor
Center Swivel Joint
Travel Motor
Parking Brake
Brake Valve
Travel Motor
Reduction Gear
Cylinders
Servocontrol Feed Unit
Accumulator
PPC Valve
PPC Valve (Blade, Boom Swing, 2-Piece Boom)
Travel PPC Valve
Boom And Arm Safety Valve
Blade Safety Valve
2-Piece Boom Safety Valve
Overload Sensor Switch
Solenoid Valve
Electrical Diagram
-TESTING AND ADJUSTMENTS
Normal Or Standard Technical Data
Equipment For Testing, Adjusting, And Identifying Faults
Measuring The Engine Speed
Adjusting Valve Clearance
Measuring Compression Pressure
Testing And Adjusting Fuel Injection Timing
Testing And Adjusting Fan Belt Tension
Adjusting The Stroke Of The Accelerator Lever
Adjusting PPC Valves Clearance
Adjusting The Safety Microswitch
Measuring The Swing Circle Axial Clearance
Testing And Adjusting Track-Shoe Tension
Air Bleeding From Hydraulic Circuits
Releasing Residual Pressure From The Circuits
Checking And Regulating Pressure In The Hydraulic Circuits
Testing And Setting Of Main Valves
Adjusting PC Valve
Measuring LS Differential Pressure And Adjusting LS Valve
Checking And Adjusting Pressures In The Servo Control Feed Unit
Measuring Pumps Delivery And Flow Control Starting Point Pump P1
Measuring Travel Deviation
Adjusting The Maximum Speed Of The Travel Motors
Measuring Inner Oil Leakage Of Travel Motor
Adjusting Boom And Arm Safety Values
Adjusting 2Nd Boom Safety Values
Measuring And Setting Of Pressure Switch Signal Overload Operation
Measurement Of Internal Oil Leakages In The Swing Motor
Checking For Leakages Inside The Swivel Joint
Analysis Of The Causes Of Hydraulic Drifts
-DISASSEMBLY AND ASSEMBLY
Precautions To Be Taken While Working
Special Tools
Starter Motor
Alternator
Injection Pump
Nozzle Holder
Cylinder Head
Seat
Cabin
Engine Hood
Front Hood
Heating Fan
Radiator
Hydraulic Oil Cooler
Fuel Tank
Hydraulic Oil Tank
Engine-Pump Group
Pump Group
Engine-Pump Coupling Joint
Main Pump Input Shaft Oil Seal
Gear-Pump
Swivel Joint
Swing Motor
Swing Machinery
Control Valve
Revolving Frame
Counterweight
Swing Circle
Track Shoes
Sprocket
Travel Motor
Ball Bearing Preload
Axial Clearance On Tapered Roller Bearings
Idler And Recoil Spring
Idler
Recoil Spring Group
Track Roller
Carrier Roller
R.H. PPC Valve (Boom-Bucket)
L.H. PPC Valve (Arm-Swing)
Blade PPC Valve
Travel PPC Valve
Boom Swing PPC Valve
Boom Cylinder (1-Piece Boom)
Boom Cylinder (2-Piece Boom)
2-Piece Boom Cylinder
Arm Cylinder
Bucket Cylinder
Boom Swing Cylinder
Blade Cylinder
Work Equipment Cylinder
Work Equipment (1-Piece Boom Version)
Work Equipment (2-Piece Boom Version)
Bucket
Arm
2-Piece Boom
Boom
Swing Support
Blade
-MAINTENANCE STANDARD
P.T.O.
Swing Circle
Track Frame
Idler
Carrier Roller
Track Roller
Track Shoe
Sprocket
Swing Machinery
Hydraulic Pump
Control Valve
Swing Motor
Swivel Joint
Travel Motor
Servocontrol Feed Unit
Travel PPC Valve
PPC Valve
Blade Safety Valve
Cylinders
Work Equipment (1-Piece Boom)
Work Equipment (2-Piece Boom)
What you get
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