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: 360
Model
Komatsu Hydraulic Excavator
PC8000
SN 12035 And Up
Contents
TECHNICAL DATA (LEAFLET)
ASSEMBLY PROCEDURE (BROCHURE)
FOREWORD
-MAIN ASSEMBLY GROUPS
General Lay Out
Drive
Control Blocks, Slew Gears
Under Carriage, Travel Drive
Drivers Cab
Attachment
-DRIVE
Prime Drive Assembly And Motor Mountings
Coupling
Motor Compartment Ventilation
Probes, Switches And Relays
Alignments, ABB Motor
Pump Distributor Gearbox
Hydraulic Pumps Locations, Their Drive Speeds And Flow Rates
-HYDRAULIC OIL TANK
General
Location Of Sensors And Switches
Transfer Pump
Return And Leak Oil Filter
Breather Filter
-HYDRAULIC OIL COOLING
General
Cooling Circuit
Adjustments
Fan Drive
Pressure Relief Valve And Solenoid Valve
Axial Piston Pump
Adjustments
Function Check Of Fan Speed Control
-CONTROLLING
Front Control Panel
Rear Control Panel
Pilot Pressure Circuit And Adjustments
Control Block Proportional Solenoid Valves, LBA
Function Principle Of The
Electro – Hydraulic Proportional Control
Proportional Amplifier Module, Type A (For Slew Brake Only)
Proportional Amplifier Module, Type B (For Boom, Stick, Bucket, Slew And Travel)
Ramp Time Module (Analogue Command Value Module For Boom, Stick And Slew Function)
Adjustments Of Electronic Modules (Introduction)
Adjusting The Amplifiers For The Joy Stick Operated Controls
Adjusting The Amplifiers For The Pedal Operated Controls
Adjusting The Ramp Time Module
-COMPONENTS
Main Control Blocks And High Pressure Filter
Distributor Manifold
Restrictor Blocks
Anti Cavitation Valve Block
Control Block
Control Block Proportional Solenoid Valves
Control Block Valves
High Pressure Filter
Pressure Reducing Valve
Directional Control (Solenoid) Valves
Proportional Pressure Control (Solenoid) Valve
Hydraulic Cylinder
Main Hydraulic Tank
Slew And Travel Gears
Auxiliary Pumps
Pressure Transducer Boxes For The PLC
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION
Hydraulic Pump Location
Hydraulic Pump A7V/HD D
Pump Regulation System Lay Out
Electronic Pump Regulation
Adjusting And Checks For The Electronic Pump Regulation
Checking The Power Supply And / Or Hydr. Pump Performance
Checks And Adjustments For The Pressure Reducing Valves
Field Tests/Checks And Trouble Shooting
-OPERATING HYDRAULIC
Hydraulic For The Attachment Cylinder
Electric / Hydraulic Flowcharts, BHA
Slew Circuit, General
Travel Circuit
-HYDRAULIC TRACK TENSIONING SYSTEM
Function
Pressure Increasing Valve
Pressure Relief Valve; Pilot Operated
Tensioning Cylinder
Pressure Checks / Adjustments
What you get
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