Komatsu PW75R-2 Shop Manual Hydraulic Excavator WEBM001602 SN 22E0210001-

$29.00

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: 524
Number: WEBM001602
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Wheel Excavator
PW75R-2
SN 22E0210001 And Up

Contents

SAFETY
FOREWORD
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
STANDARD TIGHTENING TORQUE
COATING MATERIALS
ELECTRIC WIRE CODE
WEIGHT TABLE
TABLE OF OIL AND COOLANT QUANTITIES
CONVERSION TABLE
-STRUCTURE AND FUNCTION
P.T.O.
Powertrain
Front Axle
Transmission
Rear Axle
Steering System
Steering Unit
Swing Circle
Specifications
Hydraulic Diagram Standard
Hydraulic Circuit (Work Equipment)
Hydraulic Pump
Main Pump
Priority Valve
Control Valve
Swing Valve
Blade Valve
Travel Valve – Boom Valve
Arm Valve – Bucket Valve
Outrigger Valve – Boom Swing Valve
2-Piece Boom Valve – Attachment Valve
Control Valve
Swing Motor
Swivel Joint
Travel Motor
Displacement Automatic Control High Pressure Related
Travel Motor Brake Valves
Cylinders
Axle Locking Cylinder
Servocontrol Feed Unit
Accumulator
Shuttle Valve
PPC Valves
Travel PPC Valve
Brake Pump
Boom And Arm Safety Valve
Blade Or Outriggers Safety Valve
2-Piece Boom Safety Valve
Overload Sensor Switch
Solenoid Valves
Air-Conditioning Unit
Electrical Diagram
-TESTING AND ADJUSTMENTS
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
Checking And Tightening The Compressor Fan-Belt
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 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 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
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
Testing The Air-Conditioning Unit
Emptying The Air-Conditioning Unit
-REMOVAL AND INSTALLATION
Precautions To Be Taken When Working
Special Tools
Starter Motor
Alternator
Air-Conditioning Unit Compressor
Injection Pump
Nozzle Holder
Cylinder Head
Thermostat
Muffler
Seat
Cabin
Engine Hood
Condenser Unit
Front Hood
Heating Fan Unit
Air Conditioning Fan Unit
Radiator
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
Transmission – Reverser. Direction Indicator And Headlight Dipper Beam Control Group
R.H. PPC Valve (Boom-Bucket)
L.H. PPC Valve (Arm-Swing)
Outrigger And Blade PPC Valve
Boom Swing PPC Valve
Travel And 2Nd Boom PPC Valve
Brake Pump
Steering Unit
Priority Valve
Travel Motor
Transmission
Axle Locking Cylinders
Front Axle
Rear Axle
Axles
Boom Cylinder (For 1-Piece Boom)
Removal Of 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
2nd Boom
Boom (For 1-Piece Boom)
Boom (For 2-Piece Boom)
Swing Support
Blade And Outriggers
Blade And Outrigger Arms
-STANDARD MAINTENANCE
P.T.O.
Front Axle
Transmission
Rear Axle
Swing Circle
Swing Machinery
Hydraulic Pump
Control Valve
Swing Motor
Swivel Joint
Travel Motor
Travel Motor Brake Valves
Servocontrol Feed Unit
Travel PPC Valve
PPC Valves
Blade Safety Valve
Cylinders
Work Equipment