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Komatsu PW75R-2 Shop Manual Hydraulic Excavator WEBM001600 SN 22E0200001-

$24.00

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Format: PDF (High-Quality PDF Manual)
Language: English
Printable
Instant Download (Life Time Downloads)
Searchable Text
Wiring and Hydraulic Schematics

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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: 464
Number: WEBM001600
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PW75R-2
SN 22E0200001 And Up

Contents

FOREWORD
-STRUCTURE AND FUNCTION
PTO
Power Train
Front Axle
Transmission (2WS)
Hydraulic Circuit (2WS)
Steering System (2WS)
Transmission (4WS)
Rear Axle (4WS)
Steering System (4WS)
Steering Unit
Swing Circle
Swing Machinery
Hydraulic Circuit (2WS)
Hydraulic Circuit (4WS)
Hydraulic Circuit (Lower Equipment)
Hydraulic Pump
Priority Valve
Control Valve
Swing Motor
Swivel Joint
Travel Motor
Displacement Automatic Control High Pressure
Related
Travel Motor Brake Valves
Cylinders
Servocontrol Feed Unit
Accumulators
PPC Valve
PPC Valve (Blade, Boom Swing, 2-Piece Boom)
Travel PPC Valve
Brake Pump
Boom And Arm Safety Valve
2-Piece Boom Safety Valve
Blade Or Outrigger Safety Valve
Over Load Sensor Switch
Solenoid Valve Group ST1 (Y5-Y6-Y7-Y11)
Solenoid Valve Group ST2 (Y4-Y10-Y12)
Solenoid Valve Group ST3 (Y1-Y2)
Solenoid Valve Group OP1 (Y21-Y22-Y23-Y24)
Solenoid Valve Group OP2 (Y26)
Solenoid Valve Group OP3 (Y8-Y9)
Electrical Diagram (2WS)
-TESTING AND ADJUSTING
Normal Or Standard Technical Data
Special Tools
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
Air Bleeding From Hydraulic Circuits
Releasing Residual Pressure
Checking And Regulating Pressure In The Hydraulic Circuits
Testing And Setting Of Main Valves
Adjusting PC Valve
Measuring Is Differential Pressure And Adjusting Is Valve
Checking And Adjusting Pressures In The Servocontrol Feed Unit
Measuring Pumps Delivery And Flow Control Starting Point Pump P1
Checking That The Priority Valve Is Functioning Correctly
Checking And Regulating The Pressure Of The Steering System
Checking Leakages In The Steering Cylinders
Checking The Braking System
Adjusting Braking Disks Clearance
Checking Wear In The Brake Disks
Bleeding Air From The Brake Lines
Adjusting The Parking Brake
Travel Hydraulic Equipment Checking Procedure
Checking And Adjusting The Automatic Displacement Control System Of The Travel Motor
Checking For Leakages In The Travel Motor
Checking And Adjusting The Speed Of The Travel Propeller Shaft
Adjustment Of The Speed Surveyor
Adjusting Boom And Arm Safety Valves
Adjusting 2Nd Boom Safety Valves
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
How To Read The Manual
Precautions To Be Taken
When Working
Special Tools
Starter Motor
Alternator
Injection Pump
Nozzle Holder
Cylinder Head
Seat
Cabin
Engine Hood
Removal Of Front Hood
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 Geared Motor
Swing Machinery Assembly
Control Valve
Revolving Frame
Counterweight
Swing Circle
Transmission – Reverser, Direction Indicator And Headlight Dipper Beam Control Group
RH PPC Valve (Boom – Bucket)
LH PPC Valve (Arm-Swing)
Outrigger And Blade PPC Valve
Boom Swing PPC Valve
Travel And 2Nd Boom PPC Valve
Brake Pump
Steering Unit
Steering Unit
Priority Valve
Priority Valve
Travel Motor
Transmission
Axle Locking Cylinders
Front Axle
Rear Axle
Axles
Boom Cylinder (For 1-Piece Boom)
Boom Cylinder (For 2-Piece Boom)
2Nd Boom Cylinders
Arm Cylinder
Bucket Cylinder
Boom Swing Cylinder
Cylinders For Outriggers Or Blade
Work Equipment Cylinders
Work Equipment (For 1-Piece Boom)
Work Equipment (For 2-Piece Boom)
Bucket
Arm
21×3 Boom
Boom
1St Boom
Swing Bracket
Blade And Outriggers
Blade And Outriggers Arms
-MAINTENANCE STANDARD
PTO
Front Axle
Transmission (2WS)
Rear Axle (2WS)
Transmission (4WS)
Rear Axle (4WS)
Swing Circle
Swing Machinery
Hydraulic Pump
Control Valve
Swing Motor
Swivel Joint
Travel Motor
Travel Motor Brake Valves
Servocontrol Feed Unit
Travel PPC Valve
Boom, Arm, Bucket, Swing
PPC Valve (Blade, Boom Swing, 2-Piece Boom)
Blade Safety Valve
Boom Swing 2-Piece Boom Blade – Outrigger
Cylinders
Work Equipment (1-Piece Boom)
Work Equipment (2-Piece Boom)

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Komatsu PW75R-2 Shop Manual Hydraulic Excavator WEBM001600 SN 22E0200001-