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: 658
Issued: january 2007
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Model
Komatsu Hydraulic Excavator
PC5500-6 Electric Drive
SN 15050 And Up
Contents
SAFETY – FOREWORD
TECHNICAL DATA (LEAFLET)
ASSEMBLY PROCEDURE (BROCHURE)
-MAIN ASSEMBLY GROUPS
Superstructure
Under Carriage
Attachment
-DRIVE
Coupling
Pump-Spline Lubrication
PTO Lubrication And Cooling
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
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
Radiator Fan Drive Speed Adjustment
-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 Time 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-HYDRAULIC
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
Restrictor Block With Pressure Relief Valve
Anti Cavitation Valve Block
Remote Control Valves
Directional Solenoid Valves (4 Way / 3 Positions)
Proportional Solenoid Valves
High Pressure Filter
Control Blocks And Valves
Load Holding Valve
Travel Brake Valve
Pressure Reducing Valve
Directional Solenoid Valves (2 Positions / 4-Ways)
Pressure Increasing Valve
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION
Main Pumps
Electronic Pump Regulation System
Hydraulic Constant Regulation System
-OPERATING HYDRAULIC
Floating Function Of Boom And Stick Cylinders
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 Hydraulic Operated Access Ladder
-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
-HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
Designation Of Electrical Devices
Symbols
General Information
Reading A Circuit Diagram
-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 SYSTEMS
General Function
Oscillation Cylinder And Control Block
Adjustments
One Line System
Electrical Function
Capacitive Analog Sensor For Lubricant Level Monitoring
Adjustments
Function Pinion Type (Dummy Wheel) System
Electrical Function (Dummy Wheel) System
Capacitive Analog Sensor For Lubricant Level Monitoring
Adjustments
Components
APPENDIX
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