Hitachi EX25 EX35 EX40 Technical Manual

Factory Repair Technical Manual For Hitachi EX25 EX35 EX40 Excavators. Tons of illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups.

Format: PDF
Language: English
Pages: 267
Bookmarks: Yes
Searchable: Yes
Number: KM581E-01
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Hitachi EX25, EX35, EX40

Contents

INDEX
CONTENTS
INTRODUCTION
SAFETY
–GENERAL INFORMATION
Outline
Specifications
Working Range
Lifting Capacities
Service Refill Capacities
–DIMENSIONS AND WEIGHTS
Transportation
Weight
–FUELS AND LUBRICANTS
Fuel
Engine Oil
Hydraulic Oil
Gear Oil
Grease
Engine Coolant
–INTERCHANGEABILITY
Interchangeability
-UPPERSTRUCTURE
–OUTLINE
Upperstructure Outline
–TANKS
Construction
–PUMP DEVICE
Construction and Function
–SWING DEVICES
Construction and Operation
Swing Reduction Device
Swing Motor
Swing Brake Valve
Overload Relief Valve
–PIPINGS
General
–CONTROL VALVE
General
Switch Valve
Main Relief Valve
Overload Relief Valve
–PILOT VALVE
Construction
Function
–PILOT SHUT-OFF VALVE
Construction and Function
–SOLENOID VALVE
Construction and Function
–ENGINE
Construction and Function
Radiator
Air Cleaner
Maintenance and Adjustment
-UNDERCARRIAGE
–OUTLINE
Undercarriage Outline
-—SWING BEARING
Construction and Operation
–CENTER JOINT
Construction and Operation
–TRAVEL DEVICE
Construction and Operation
Travel Reduction Gear
Travel Motor
Travel Brake Valve
Travel Speed Change Valve
Counterbalance Valve Operation
Overload Relief Valve Operation
–ADJUSTER
Construction and Operation
-ELECTRICAL SYSTEM
–ELECTRIC CIRCUIT
Electric Wiring Diagram
-HYDRAULIC SYSTEM
–HYDRAULIC CIRCUIT
Hydraulic Circuit Diagram
-OPERATIONAL PERFORMANCE TEST
–INTRODUCTION
Purpose
Terminology
Preparation For Performance
Tests
–ENGINE TEST
Engine Speed
Engine Conpression Pressure
–EXCAVATOR TEST
Travel Speed
Track Revolution Speed
Mistrack
Travel Motor Leak Check
Swing Speed
Swing Function Drift Check
Swing Motor Leakage
Swing Bearing Play
Hydraulic Cylinder Cycle Time
Dig Function Drift Check
Control Lever Operating Force
Control Lever And Pedal Stroke
–HYDRAULIC COMPONENT TEST
Pilot Secondary Pressure
Main Pump Delivery Pressure
Overload Relief Valve Pressure Setting
Swing Motor Overload
Relief Valve Pressure Test
-TROUBLESHOOTING
–DIAGNOSING PROCEDURE
Introduction
Diagnosing Procedure
How to read the troubleshooting flow charts
Check Battery Voltage
–HYDRAULIC SYSTEM
Actuators
Front Attachments
Swing
Travel
–ELECTRICAL SYSTEM
Monitor Panel and Electrical Parts
Engine
Fuse Fails
Malfunction of Coolant Temperature Gauge
Malfunction of Fuel Gauge
Malfunction of Alternator Indicator
Malfunction of Engine Oil Pressure Indicator
Malfunction of Overheat Indicator
Malfunction of Fuel Level Indicator
Malfunction of Air Filter Restriction Indicator
Malfunction of Buzzer
Malfunction of Hour Meter
Wiring Harness Test

What you get

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