Factory Shop Manual For Komatsu Hydraulic Mining Shovel. 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: 460
Number: SMPC300006194 (july 2006)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Mining Shovel
PC3000-1
SN 6194

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
Spline – Lubrication
Gear Lubrication
Location of 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 Relief Valve and Solenoid Valve
Axial Piston Pump
Measuring and Setting the Fan Speed
Function Check for RPM-Control
-CONTROLLING
Pilot Pressure Supply
Checks and Adjustments of Pilot Pressure
Measuring and Adjustment of Control Pressure
Travel Parking Brake
Function Check of Travel Parking Brake
Function Check of Pressure Switch (B48)
Swing Parking (House) Brake
-COMPONENTS
Main Control Blocks and High Pressure Filter
Distributor Manifold
Restrictor Block with Pressure Relief Valve
Restrictor Block
Anti-Cavitation Valve Block
Proportional Solenoid Valve
Pressure Filter
Control Blocks
Travel Brake Valve
Pressure Reducing Valve
Directional Control Valves (Solenoid Valve)
Hydraulic Cylinder
Auxilliary Pumps (Fan Drive)
Auxilliary Gear Pumps
Swing Ring
-MAIN HYDRAULIC PUMPS
Main Hydraulic Pump A7V / HDD
SL-bearing
Function of the Pump Governor
Pump Bearing Lubrication
Pump Governor Adjustments
Pump Regulation, General
-OPERATING HYDRAULIC
Hydraulic for Attachment Cylinders
Adjustments 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, General
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 HYDRAULIC CIRCUIT DIAGRAMS
Hints for Reading Circuit Diagrams
Legend to the Hydraulic Circuit Diagram
How to Read Circuit Diagrams
Hydraulic Diagrams
-HINTS FOR ELECTRIC CIRCUIT DIAGRAMS
Markings of Electrical Components in Circuit Diagrams
Symbols
KMG Circuit, General Information
Explanation of the Drawing Concept
Location of Main Terminal Boxes and Important Components
Reading a Circuit Diagram
Adjustments
Component List
Electrical Circuit Diagrams
-ELECTRONIC TEXT MONITORING SYSTEM
Introduction
General
Function
Layout of Dash Board
Text Monitoring System
EFD – Module, Function and Troubleshooting