Komatsu PC4000-6 Hydraulic Mining Shovel Service Manual (SM 08175-upD-GB-1)

I.I Contents of the Binder
I.II Foreword
I.III Explanation of Abbrevations
SAFETY
CONTENTS
Overview
GENERAL PRECAUTIONS COMMON TO OPERATION ON THE EXCAVATOR
PRECAUTION FOR MAINTENANCE
ADDITIONAL SAFETY INFORMATION FOR TROUBLESHOOTING AND ADJUSTMENTS
SPECIAL SAFETY EQUIPMENT
 MAIN ASSEMBLY GROUPS
 General Layout
 Superstructure
 Machine House
 Hydraulic Oil Reservoir
 Hydraulic Oil Cooler
 Fuel Tank
 Counterweight
 Cab Support
 Operator’s Cab
 Control Blocks
 Swing Gears
 Undercarriage
 Backhoe Attachment (BHA)
 Front Shovel Attachment (FSA)
III. SPECIFICATIONS
III.I Lifting Gears
III.II Standard Tightening Torque Chart
III.III Conversion Table
III.IV General Specifications
 DRIVE
 Prime Drive Assembly
 Engine and PTO Mounts
 Fan Drive and Radiator Assembly
 Pump Distributor Gearbox (PTO)
 Geislinger Coupling
 Air Filter
 HYDRAULIC OIL RESERVOIR
 General Layout
 Main Oil Tank, Location of Electric Equipment.
 Suction Oil Reservoir with Strainers
 Return Oil Collector Tube with Strainer
 Back Pressure Valve
 Transfer Pump
 Return and Leak Oil Filter
 Breather Filter
 HYDRAULIC OIL COOLING
 General
 Function of the Hydraulic Oil Cooling Circuit
 Adjustment of the Back Pressure Valve
 Fan Drive (Two Stage Cooler Fan RPM Control)
 Adjustment of the Cooler Fan Drive Speed
 CONTROLLING
 General Layout
 Control and Filter Panel Location of Components
 Pilot Pressure Supply and Adjustments
 Function Electro Hydraulic Control SYSTEM
 Potentiometer Control (Lever, Joy Stick)
 Potentiometer Control (Pedal)
 Proportional Amplifier Module, Type A
 Proportional Amplifier Module, Type B
 Ramp Time Module
 Adjustments of Amplifier Modules
 Adjusting the Ramp Time Module
 COMPONENTS
 Main Control Blocks and High Pressure Filter (FSA)
 Main Control Blocks and High Pressure Filter (BHA)
 Distributor Manifold – Location of Restrictor Blocks and Anti Cavitation Valves (FSA)
 Distributor Manifold – Location of Restrictor Blocks and Anti Cavitation Valves (BHA)
 Single Control Blocks (Floating) for Stick and Boom (FSA)
 Restrictor Block with Pressure Relief Valve
 Anti cavitation valve block
 Remote Control Valves
 Directional Solenoid Valves (Three Positions / -Ways)
 Proportional Solenoid Valve
 High Pressure Filter
 Control Blocks and Valves
 Travel Brake Valve
 Pressure Reducing Valve
 Directional Solenoid Valves (Two Positions / -Ways)
 Pressure Increasing Valve
 Hydraulic Cylinder
 Swing Ring
 MAIN HYDRAULIC PUMPS AND PUMP REGULATION
 General
 Main Pumps
 Electronic Pump Regulation System
 Hydraulic Constant Regulation System
 Determination of the Peak Point (Engine Performance)
 Engine Speed Sensor (Pick up)
 Energy Efficiency
 OPERATING HYDRAULIC
 General
 Hydraulic for the Attachment Cylinder FSA and BHA
 Hydraulic for the Swing Circuit
 Hydraulic for the Travel Circuit
 HYDRAULIC TRACK TENSIONING SYSTEM
 General
 Pressure Increasing Valve
 Tensioning Cylinder
 Adjustments / Checks
 Functional Test
 ACCESS LADDER HYDRAULICALLY OPERATED
 General
 Function of Hydraulically Operated Access Ladder
 Adjustments / Checks
 CENTRAL REFILLING SYSTEM (Service ARM)
 General
 Function
 HINTS FOR READING THE HYDRAULIC DIAGRAM
 General
 Symbolic
 HINTS FOR READING THE ELECTRIC CIRCUIT DIAGRAM
 Designation of electrical components
 Electric symbols
 Symbols
 Drawing Concept
 Reading a Circuit Diagram
 Component List
 VEHICLE HEALTH MONITORING SYSTEM
 General
 Specifications for Operators
 Specifications for Service
 Wiring of the Main Components
 General Design of THE PLC
 How to proceed the Maintenance and Installation
 Front Connector Arrangement
 Power Supply
 Function Explanations with Electrical Diagram
 Hints for Reading the Functional Flow Charts
 LUBRICATION SYSTEMS
 Introduction
 Central Lubrication System (CLS)
 Lubrication Pump Station (SLS)
 Operating and Controlling
 Adjustments
 Troubleshooting
 Commissionin

Pages: 838
Language: English
Format: PDF

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