Factory Shop Manual For Komatsu Hydraulic Mining 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: 502
Number: SMPC30006202 (august 2006)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Mining Excavator
PC3000-1
SN 6202

Contents

INTRODUCTION
FOREWORD
-MAIN ASSEMBLY GROUPS
General Layout
Drive
Control Blocks. Swing Gear
Undercarriage, Travel Drive
Driver’s Cab
-DRIVE
Prime Drive Assembly
Engine Mounts
Fan Drive and Cooler Assembly
Coupling
Air Filter
Pump Distributor Gear
Pump Spline Lubrication
Gear Lubrication – PTO
Location of the Pumps, Drive Speeds and. Flow Rates
-HYDRAULIC OIL TANK
Main Oil Tank
Return and Leak Oil Filter
Breather Filter
Location of Pressure Switches and Sensors
-HYDRAULIC OIL COOLING
General
Hydraulic Oil Cooling Circuit
Measuring / Setting the Back Pressure Valve
Fan Drive
Pressure Valve and Solenoid Valve
Axial Piston Pump
Measuring and Setting Fan Speed
Function Check for RPM-Control
-CONTROLLING
Pilot Pressure Supply
Checks and Adjustment of Pilot Pressure
Measuring and Adjusting of Control Pressure
Travel Parking Brake
Function Check of Travel Parking Brake
Swing Parking (House) Brake
-COMPONENTS
Main Control Blocks and High Pressure Filter
Distributor Manifold
Restrictor Block with Pressure Relief Valve
Anti-Cavitation Valve Block
Proportional Solenoid Valve
Pressure Filter
Control Blocks
Travel Brake Valve
Pressure Reducing Valve
Directional Control Valve (Solenoid Valve)
Hydraulic Cylinder
Auxiliary Pumps (Fan Drive)
Auxiliary Gear Pumps
Swing Ring
-MAIN HYDRAULIC PUMPS
Main Hydraulic Pump A7V / HDD
Description of SL-Bearing
Function of the Pump Governor
Pump Bearing Lubrication
Pump Governor Adjustments
Pump Regulation, General
Determination of the Peak Point (Corner Value)
Hydraulic regulation adjustment. Stop Gap Operation
Detailed Explanation for the Electronic Regulation
Testing the Proportional Amplifier Module, A36
Simplified Trouble Shooting of the Electronic Control
-OPERATING HYDRAULIC
Hydraulic for Attachment Cylinder
Attachments for Attachment Cylinder Hydraulic
Swing Circuit, General
Swing Motor
Swing Gear and Swing Parking Brake
Swing Brake Valve
Swing, Function
Checks and Adjustments
Travel Circuit
Rotary Distributor
Travel Motor (Axial Piston Motor A2FM)
Travel Gear and Parking Brake
Travel, Function
Adjustments / Checks
-HYDRAULIC TRACK TENSION SYSTEM
Function
Pressure Increasing Valve Type: MO 7010
Pressure Relief Valve. Direct Operated Type: DBD S
Adjustments / Pressure Checks
-ACCESS LADDER HYDRAULIC OPERATED
Access Ladder Hydraulic Operated
-CENTRAL REFILLING SYSTEM
Central Refilling System
-HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
Hints for Reading the Circuit Diagram
Legend of the Hydraulic Circuit Diagram
Pressure Check Points
How to Read the Circuit Diagram
Hydraulic Diagrams
-HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
Marking of Electrical Components in the Circuit Diagrams
Symbols
KMG Circuit Diagrams, General Information
Explanation of the Drawing Concept
Location of the Main Terminal Boxes and some Important Components
Reading a Circuit Diagram
Adjustments
Electrical Circuit Diagrams
-ELECTRONIC TEXT MONITORING SYSTEM
Introduction
Function
Layout of Dash Board
Text Monitoring System
Frequency / Voltage Converter (EFD-Module)