Komatsu PC4000-6 Electro Service Manual Hydraulic Excavator SN 08165 manuals in PDF

Factory Service Manual For Komatsu Hydraulic Excavator. 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: 649
Issued: march 2005
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PC4000-6 Electro
SN 08165

Contents

SAFETY – FOREWORD
TECHNICAL DATA (LEAFLET)
ASSEMBLY PROCEDURE (BROCHURE)
-MAIN ASSEMBLY GROUPS
Superstructure
Undercarriage
Attachment
-DRIVE
Flexible Coupling
Pump Distributor Gearbox (PTO)
Pump – Spline Shaft Lubrication
PTO Lubrication And Cooling – Function
PTO Lubrication And Cooling – Adjustments
Hydraulic Pumps – Location, Drive Speed And Flow Rates
-HYDRAULIC OIL TANK
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 Chive (Two Stage Cooler Fan Rpm Control)
Pressure Relief Valves And Solenoid Valve
Fixed Displacement Pump, With Variable Setting
Adjustment Of The Cooler Fan Drive Speed
Function Check Of Fan Speed Control
Switch Points Cooler Fan Speed (PLC Controlled)
-CONTROLLING
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 (For Swing Brake Only)
Proportional Amplifier Module, Type B (For Boom, Stick, Bucket, Swing And Travel)
Ramp Tune Module (Analogue Command Value Module For Boom, Stick, Travel And Swing Function)
Adjustments Of Amplifier Modules (General)
Adjusting The Amplifiers Type B
Adjusting The Amplifiers Type A
Adjusting The Ramp Time Module
-COMPONENTS
Main Control Blocks And High Pressure Filter FSA
Main Control Blocks And High Pressure Filter BHA
Distributor Manifold – Restrictor Blocks FSA
Distributor Manifold – Restrictor Blocks BHA
Single Control Blocks (Floating) For Stick And Boom
Restrictor Block With Pressure Relief Valve
Anti Cavitation Valve Block
Remote Control Valves
Directional Solenoid Valves (Three Positions / 4-Ways)
Proportional Solenoid Valves
High Pressure Filter
Control Blocks And Valves
Travel Brake Valve
Pressure Reducing Valve
Directional Solenoid Valves (Two Positions / 4-Ways)
Pressure Increasing Valve
Hydraulic Cylinder
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION
Main Pumps
Electronic Pump Regulation System
Hydraulic Constant Regulation System
-OPERATING HYDRAULIC
Hydraulic For The Attachment Cylinder FSA And BHA
Hydraulic For The Swing Circuit
Hydraulic For The Travel Circuit
-HYDRAULIC TRACK TENSIONING SYSTEM
Functional Description
Pressure Increasing Valve
Tensioning Cylinder
Adjustments / Checks
Functional Test
-HYDRAULIC OPERATED ACCESS LADDER
General
Function Of Hydraulically Operated Access Ladder
Adjustments / Checks
-CABLE DRUM
General
Components
Function
Checks And Adjustments
Description And Operating Instruction For Cam Switch 5S4 And 5S6
-HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
Symbols
Legend For The Circuit Diagram
-HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
Designation Of Electrical Devices
Symbols
General Information
Reading A Circuit Diagram
-ELECTRONIC CONTROL SYSTEM – ECS
General Design of the ECS-T System
How to Proceed due Maintenance and Installation
Front Connector Arrangement
Power Supply
Function Explanations With Electrical Diagram
Hints For Reading The Functional Flow Charts
-LUBRICATION SYSTEM
General Function
Oscillation Cylinder And Control Block
Adjustments
One Line System
Electrical Function
Capacitive Analog Sensor For Lubricant Level Monitor
Adjustments
Function Pinion Type (Dummy Wheel) System
Electrical Function (Dummy Wheel) System
Capacitive Analog Sensor For Lubricant Level Monitor
Adjustments
Components

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