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: 950
Number: SMPC40008155 (june 2006)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Mining Shovel
PC4000-6
SN 8155

Contents

-MAIN ASSEMBLY GROUPS
General Lay Out
-DRIVE
Prime Drive Assembly – General Lay Out
Engine And PTO Mounts
Coupling
Air Filter
Fan Drive And Radiator Assembly
Radiator Fan Drive Speed Adjustment
Pump Distributor Gearbox (PTO)
Pump-Spline Lubrication
PTO Lubrication And Cooling
Hydraulic Pumps – Location, Drive Speed And Flow Rates
-HYDRAULIC OIL RESERVOIR
Hydraulic Oil Reservoir – General Lay Out
Main Oil Tank, Location Of Switches, Sensors Etc.
Suction Oil Tank With Strainers
Return Oil Collector Tube With Strainer
Back Pressure Valve
Transfer Pump (Optional Equipment)
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)
Pressure Relief Valves And Solenoid Valve
Fixed Displacement Pump, With Variable Setting
-CONTROLLING
General Lay Out
Control And Filter Panel Location Of Components
Pilot Pressure Supply And Adjustments
Remote Control Valves Arrangement
Function Principle Of The Electro-Hydraulic- Proportional Control
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 (General)
Adjusting The Amplifiers Type B, Illustration (Z 21642)
Adjusting The Amplifiers Type B, Illustration (Z 21643)
Adjusting The Ramp Time Module
-COMPONENTS-HYDRAULIC
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 / 4-Ways)
Proportional Solenoid Valve
High Pressure Filter
Control Blocks And Valves
Travel Brake Valve
Pressure Reducing Valve
Directional Solenoid Valves (Two Positions / 4-Ways)
Pressure Increasing Valve
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION SYSTEM
Main Hydraulic Pumps And Pump Regulation System
Main Pumps
Electronic Pump Regulation System
Hydraulic Constant Regulation System
Determination Of The Peak Point (Engine Performance), Illustration (Z 22360)
-OPERATING HYDRAULIC
Hydraulic for the Attachment Cylinders
Hydraulic for the Swing Circuit
Hydraulic for the Travel Circuit
-HYDRAULIC TRACK TENSIONING SYSTEM
General – Hydraulic Track Tensioning System
Functional Description
Pressure Increasing Valve
Tensioning Cylinder
Adjustments / Checks
Functional Test
-ACCESS LADDER HYDRAULICALLY OPERATED
General
Function Of Hydraulic Operated Access Ladder Illustration
-HYDRAULIC OPERATED REFILLING ARM
Hydraulic Operated Refilling Arm – General
Function Of Hydraulic Operated Refilling Arm
-HINTS FOR READING THE HYDRAULIC CIRCUIT DIAGRAM
General – Hints For Reading The Hydraulic Circuit Diagram
Legend For The Circuit Diagram
How To Read The Circuit Diagram
Hydraulic Plans
-HINTS FOR READING THE ELECTRIC CIRCUIT DIAGRAM
Hints For Reading The Electric Circuit Diagram
Designation Of Electrical Devices
Symbols
General Information
Reading A Circuit Diagram
Component List
Electrical Plans
-VHMS / ECS-T / ETM
General – VHMS
Colored Graphic Console (CGC) for PC4000 – Specifications for Operators
Colored Graphic Console (CGC) for PC4000 – Specifications for Servicemen
Wiring of the Main Components
-LUBRICATION SYSTEMS
Hydraulically Driven Lube Pump
One Line System With Hydraulically Driven “Power Master III” Pump
Pinion Type System With Hvdr. Driven “Power Master III” Pump
Components
-TROUBLESHOOTING ELECTRO PLAN
Electroplan
-TROUBLESHOOTING HYDRAULIC PLAN
Hydraulicplan
-TROUBLESHOOTING FLOWCHART
Flowchart
-TROUBLESHOOTING FLOWCHARTS
Flowchart