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: 328
Number: WEBM007200 (june 2007)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PC88MR-6
SN F00003 And Up

Contents

SAFETY
FOREWORD
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
STANDARD TIGHTENING TORQUE
COATING MATERIALS
ELECTRIC
WEIGHT TABLE
TABLE OF OIL AND COOLANT QUANTITIES
CONVERSION TABLE
-STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
Powertrain
Swing Circle
Swing Machinery
Track Frame And Idler Cushion
Idler
Track Roller
Carrier Roller
Sprocket
Track Shoe
Shoes
Rubber Shoe
Swivel Joint
Travel Motor
Work Equipment Cylinder
Solenoid Valve Group
Hydraulic Pump
Control Valve
CLSS
Swing Motor
Attachment
Travel PPC Valve
Blade, Boom Swing, 2-Piece Boom PPC Valves
Equipment
-TESTING AND ADJUSTMENTS
Normal Or Standard Technical Data
Pump Features
Check Positions
Special Tools
Measuring The Engine Speed
Checking The Exhaust Smoke Color
Adjusting Valve Clearance
Checking Compression Pressure
Testing And Adjusting Fuel Injection Timing
Checking Engine Oil Pressure
Adjusting – Checking Fuel Control Lever Linkage
Adjusting The Tachometer Sensor
Checking And Calibrating Pressure In The Secondary Valves
Checking And Adjusting The LS (Load Sensing) Valve
Adjusting PC Valve
Checking TVC-EPC Solenoid Valve Output Pressure
Checking Servo-Control Circuit Pressure
Checking PPC Valve Delivery Pressure
Checking Solenoid Valve Output Pressure
Adjusting Boom Safety Valve
Adjusting PPC Valve Clearance
Measuring Travel Deviation
Analysis Of The Causes Of Hydraulic Drifts
Methods For Testing For Leakages Inside The Swivel Joint
Eliminating Pressures From Circuits
Measurement Of Clearance In Swing Circle Bearings
Testing And Adjusting Track Shoe Tension
Air Bleeding From Hydraulic Circuits
Potentiometer Replacement Procedure
Testing The Air-Conditioning Unit
Emptying The Air-Conditioning Unit
-REMOVAL AND INSTALLATION
Precautions To Be Taken While Working
Special Tools
Counterweight
Injection Pump
Engine Head
Complete Hydraulic Pump
Servo-Control Pump
Engine – Pumps
Complete Radiator And Air Conditioning Condenser
Swing Motor And Reduction Gear
Swing Motor
Swing Reduction Gear
Swivel Joint
Control Valve
LH PPC Valve
R.H. PPC Valve
Equipment PPC Valves
Travel PPC Valve
Additional Equipment And Boom Swing PPC Valve
Blade PPC Valve
Accelerator Assembly
Controller
Safety Microswitch
Hydraulic Oil Tank
Fuel Tank
Control Module
Evaporator Unit
Cabin
Swing Circle
Revolving Frame
Equipment (1-Piece Boom Version)
Upper Equipment (2-Piece Boom Version)
Boom Cylinder (For 1-Piece Boom)
Boom Cylinder (Version With 2-Piece Boom)
Arm Cylinder
Bucket Cylinder
Boom Swing Cylinder
Blade Cylinder
2-Piece Boom Cylinder
Cylinders
Swing Support
Steel Shoes
Rubber Shoes
Sprocket
Complete Travel Assembly
Track Shoe Idler
Bumper Spring
Lower Idler Rollers
-OTHER
Hydraulic Circuit Diagram (Standard)
Electrical Circuit Diagram