Factory Shop 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: 380
Bookmarks: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Excavator
PC3000
SN 06150 And Up With ETM For Diesel Engine Driven Machines Only

Contents

TECHNICAL DATA (LEAFLET)
ASSEMBLY PROCEDURE (BROCHURE)
FOREWORD
-MAIN ASSEMBLY GROUPS
General Lay Out
Drive
Control Blocks, Slew’ Gears
Under Carriage, Travel Drive
Driver’S Cab
-DRIVE
Prime Drive Assembly
Engine Mounts
Fan Drive Assy
Coupling
Air Cleaner
Pump Distributor Gearbox
Pump Spline Lubrication
PTO – Gear Lubrication
Hydraulic Pump Location
-HYDRAULIC OIL LANK
Main Hydraulic Tank
Return And Leak Oil Filter
Breather Filter
Location Of Pressure Switches And Sensors
-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
Pilot Pressure Supply
Checks And Adjustments Of Pilot Pressure
Checking The Accumulator Function
Travel Parking Brake
Function Check Of Travel Parking Brake
Slew Parking (House) Brake
-COMPONENTS
Main Control Blocks And High Pressure Filter
Distributor Manifold
Restrictor Blocks
Anti Cavitation Valve Block
Proportional Solenoid Valve
High Pressure Filter
Control Blocks
Travel Brake Valve
Pressure Reducing Valve
Directional Solenoid Valves
Proportional Solenoid Valve, Slew Brake
Hydraulic Cylinder
Auxiliary Pumps, Fan Drive
Auxiliary Gear Pumps
Slew Ring
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION
Main Hydraulic Pump A7V / HD D
SI-Bearing
Function Of The Pump Governor
Pump Bearing Lubrication
Pump Governor Adjustments
Pump Regulation, General
Determination Of Peak Point (Engine Performance Test)
Hydr. Regulation Adjustment, Stop Gap Operation
Detailed Explanation Electronic Pump Regulation
Adjustments And Checks For The Electronic Pump Regulation
Adjusting The Rpm Sensor (MPU)
Adjustments At The Ell – Module, Nominal Fine Tuning
Checks / Function Test / Fault Finding At Job Site
EPM – Module, Function And Test
ERM – Module, Function And Test
ELL – Module, Function And Test
Amplifier Module, Function And Test
Simplified Trouble Shooting Of The Electronic Regulation
-OPERATING HYDRAULIC
Hydraulic For The Attachment Cylinder
Adjustments For Attachment Cylinder Hydraulic
Slew Circuit, General
Slew Motor
Slew Gear And House Brake
Slew Brake Valve
Slew, Function
Checks And Adjustments
Travel Circuit, General
Rotary Distributor
Travel Motors
Travel Gear And House Brake
Travel Function
Adjustments / Checks
-HYDRAULIC TRACK TENSIONING SYSTEM
Hydraulic Track Tension System
-HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
Hints For Reading The Circuit Diagram
Legend Of The Hydraulic Circuit Diagram
Pressure Check Points
How To Read The Circuit Diagram
-HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
Markings of Electrical Components
in the Circuit Diagrams
Symbols
KMG Circuit Diagrams, General Information
Explanation of the Drawing Concept
Terminal Plans
Location of the main terminal boxes and
same components
Reading a Circuit Diagram
Adjustments
Component List
-ELECTRONIC TEXT MONITORING SYSTEM
Introduction
Function
Lay Out Of Dash Board, (Part Of Operation Manual)
Text Monitoring System, (Part of Operation Manual)
EFD- Module, Function and Trouble shooting