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: 479
Number: SMPC30006171 (july 2006)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Mining Shovel
PC3000-1
SN 6171

Contents

INTRODUCTION
SYMBOLS
FOREWORD
-MAIN ASSEMBLY GROUPS
General Layout
Drive
Control Blocks. Slew Gear
Undercarriage, Travel Drive
Driver’s Cab
-DRIVE
Prime Drive Assembly
Engine Mounts
Fan Drive and Cooler Assy
Coupling
Air Filter
Pump Distributor Gear
Pump Spline – Lubrication
PTO – Gear Ludrication
-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
Axial Piston Pump
Measuring and Setting of the Fan Speed
Function Check for RPM-Control
-CONTROLLING
Pilot Pressure Supply
Checks and Adjustment of Pilot Pressure
Measuring and Adjustment of Control Pressure
Travel Parking Brake
Function Check of Travel Parking Brake
Slew Parking (House) Brake
-COMPONENTS
Main Control Blocks and High Pressure Filter (Bull-Clam Attachment
Main Control Blocks and High Pressure Filter (Back Hoe Attachment
Distributor Manifold (Bull-Clam Attachment)
Distributor Manifold (Back Hoe Attachment
Restrictor Block with Pressure Valve
Restrictor Block
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
Slew Ring
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION
Main Hydraulic Pump A7V / HDD
SL-Bearing
Function of the Pump Governor
Pump Bearing Lubrication
Pump Governor Adjustments
Pump Regulation, General
Determination of Peak Point (Engine Performance Test)
Hydraulic Regulation Adjustment, Stop Gap Operation
Detailed Explanation for Electronic Pump Regulation
Adjustments / Checks for Electronic Pump Regulation
Adjusting the RPM Sensor (MPU)
Adjustments at the ELL – Module, Normal Fine Tuning
Checks / Function Test / Fault Finding at JOBSITE
EPM – Module, Function and Test
ERM – Module, Function and Test
ELL – Module, Function and Test
Amplifier Module, Function and Test
Simplified Trouble Shooting of Electronic Regulation
-OPERATING HYDRAULIC
Hydraulic for Attachment Cylinder
Adjustments for Attachment Cylinder Hydraulic
Slew Circuit, General
Slew Motor
Slew Gear and House Brake
Slew Brake Valve
Slew Function
Checks and Adjustments
Travel Circuit
Rotary Distributor
Travel Motor (Axial Piston Motor A2FM)
Travel Gear and House Brake
Travel, Function
Anti-Cavitation Circuit
Adjustments / Checks
-HYDRAULIC TANK TENSION SYSTEM
Function
Pressure Increasing Valve
Pressure Relief Valve. Direct Operated
Adjustments / Pressure Checks
-HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
Hints for Reading Circuit Diagrams
Legend of the Hydraulic Circuit Diagram
Pressure Check Points
How to Read the Circuit Diagram
Hydraulic Diagram
-HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
Markings of Electrical Components in Circuit Diagrams
Symbols
KGM Circuit Diagrams
Adjustments
Component List / Function
Electrical Diagrams
-ELECTRONIC TEXT MONITORING SYSTEM
Introduction
Function
Lay Out of Dash Board
Text Monitoring System
Frequency / Voltage Converter (EFD-Module)