Factory Shop Manual For Komatsu Hydraulic 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: 542
Issued: february 2005
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Hydraulic Shovel
H185
SN 6081

Contents

FOREWORD
TECHNICAL SUMMARY
ASSEMBLING THE EXCAVATOR
INTRODUCTION
-DRIVE
General
Engine Mounts
Rpm Adjustments (Cummins Engine KTA 38C)
Electric Motor
Pump Distributor Gear
Location Of The Pumps At The Distributor Gear
-HYDRAULIC OIL TANK
Hydraulic Oil Tank
-HYDRAULIC OIL COOLING
General
Hydraulic Oil Cooling Circuit
Fan Drive
-CONTROL
Pilot Pressure Supply
Overview For Pilot Pressure Lines
Electro Proportional Control
Adjustments
-MAIN HYDRAULIC PUMPS AND PUMP REGULATION
Hydraulic Pump A7V/HD D
Pump Regulation System
Pump Regulation System
Detailed Explanation For The Electronic Regulation For Machines With Diesel Engine Drive
Detailed Explanation For The Electronic Regulation For Electric Motor Powered Machines
-OPERATING HYDRAULIC
Remote Control, Control Blocks And Distributor Manifold Arrangement
Restrictor Block
Hydraulic For Attachment Cylinder
Adjustments For The Attachment Cylinder Hydraulic
Slew Circuit
Travel Circuit
-HYDRAULIC TRACK TENSION SYSTEM
Legend
Pressure Relief Valve. Pilot Operated Type: DBD S
Adjustments
-HYDRAULIC DRIVE FOR AIR CONDITION COMPRESSOR
Hydraulic Drive For Air Condition Compressor
Adjustments For The Hydraulic Air Condition Drive
Solenoid Valve
Pressure Relief Valve, Pilot Operated Type: DBD S
-GENERATOR DRIVE
Function
Electrical Function
Basic Adjustment
Pressure Relief Valve With Solenoid Valve
Axial Piston Pump A10 V0
-HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
Hints For Reading The Circuit Diagram
-HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
Markings Of Electrical Components In The Circuit Diagrams
Symbols
Demag Circuit Diagrams – General Information
Explanation Of The Drawing Concept
Location Of The Main Terminal Boxes And Some Important Components
Reading A Circuit Diagram
-APPENDIX
Electrical Diagram
Hydraulic Diagram