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: 859
Number: SMPC40008172 (december 2006)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Mining Shovel
PC4000-6
SN 8172

Contents

-MAIN ASSEMBLY GROUPS
General Lay Out
-PRIME DRIVE ASSEMBLY
Prime Drive Assembly – General Lay Out
Engine And PTO Mount
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 Layout
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 PRM Control)
Pressure Relief Valves And Solenoid Valve
Fixed Displacement Pump, With Variable Setting
-CONTROLLING
General Layout – Legend For Illustrations
Control And Filter Panel Location Of Components (Valves, Switches, Sensors Etc)
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
Adjusting The Amplifiers Type B, Illustration
Adjusting The Ramp Time Module
-COMPONENTS-HYDRAULIC
Main Control Blocks And High Pressure Filter – Front Shovel Attachment
Main Control Blocks And High Pressure Filter Back Hoe Attachment
Distributor Manifold – Location Of Restrictor Blocks And Cavitation Valves – Front Shovel Attachment
Distributor Manifold – Location Of Restrictor Blocks And Cavitation Valves – Backhoe Attachment
Single Control Blocks (Floating) For Stick And Boom Front Shovel Attachment
Restrictor Block With Pressure Relief Valve
Anti Cavitation Valve Block
Remote Control Valve
Directional Solenoid Valves (Three Positions / 4-Way)
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
General Layout (Hydraulic Only)
General Layout (Pump Regulation System)
Main Pumps
Electronic Pump Regulation System
Hydraulic Constant Regulation System
Determination Of The Peak Point (Engine Performance)
-OPERATING HYDRAULIC
Hydraulic For The Attachment Cylinder FSA And BHA
Hydraulic For The Swing Circuit
-HYDRAULIC TRACK TENSIONING SYSTEM
General
Functional Description
Pressure Increasing Valve
Tensioning Cylinder
Adjustments/Checks
Functional Test
-ACCESS LADDER HYDRAULIC OPERAGED
General
Function Of Hydraulic Operated Access Ladder
-HYDRAULIC OPERATED REFILLING ARM
General
Function Of Hydraulic Operated Refilling Arm
-HINTS FOR READING THE HYDRAULIC CIRCUIT DIAGRAM
General
Legend For The Circuit Diagram
How To Read The Circuit Diagram
-HINTS FOR READING THE ELECTRIC CIRCUIT DIAGRAM
Designation Of Electrical Devices
Symbols
General Information
Reading A Circuit Diagram
Component List
-VEHICLE HEALTH MONITORING SYSTEM
Colored Graphic Console (CGC) Specs For Operators
Colored Graphic Console (CGC) Specs For Servicemen
Wiring Of The Main Components
-LUBRICATION SYSTEMS
Hydraulically Driven Lube Pump
One Line System With Hydraulically Driven “Pump Master III” Pump
Pinion Type System With Hydraulic Driven “Power Master III” Pump
Components
FLOWCHART
HYDRAULIC PLAN
ELECTRICAL PLAN