Technical Manual Hitachi ZW65, ZW75, ZW95 Wheel Loader | T4L1-E-00

Technical Manual Hitachi ZW65, ZW75, ZW95 Wheel Loader T4L1-E-00 (Preview)

T4L1-E-00
INTRODUCTION
SAFETY
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Specifications
Specifications
Group 2 Component Layout
Main Component Layout (Overview)
Main Component Layout (Body)
Main Component Layout (Travel System)
Electrical System (Overview)
Electrical System (Inside of Cab)
Engine
HST Pump / Main Pump
Reduction / HST Motor
Front Axle
Control Valve
Group 3 Component Specifications
Engine
Engine Accessories
Hydraulic Component
Electrical Component
SECTION 2 SYSTEM
Group 1 Control System
Outline
HST Control
Other Controls
Group 2 Hydraulic System
Outline
Main Circuit
Steering Circuit
HST Circuit
Brake Circuit
Group 3 Electrical System
Outline
Main Circuit
Electric Power Circuit (Key Switch: OFF)
Indicator Light Check Circuit (Key Switch: ON)
Preheat Circuit (Key Switch: HEAT)
Starting Circuit (Key Switch: START)
Charging Circuit (Key Switch: ON)
Engine Stop Circuit
Lamplight Circuit
Head Light Circuit
Turn Signal Circuit
Brake Light Circuit
Hazard Light Circuit
Horn Circuit
Buzzer Circuit
Indicator Circuit
SECTION 3 COMPONENT OPERATION
Group 1 Priority Valve
Outline
Structure
Operation
Group 2 Control Valve
Outline
Hydraulic Circuit
Operation
Main Relief Valve
Overload Relief Valve
Make-Up Valve
Group 3 Steering Valve
Outline
Structure
Operation
Overload Relief Valve
Make-Up Valve
Group 4 HST Pump
Outline
Forward / Reverse Selection Solenoid Valve
DA Valve
Cutoff Valve
High Pressure Relief Valve
Low Pressure Relief Valve
HST Charging Pump
Inching Valve
Group 5 HST Motor
Outline
Operation
Regulator
Motor Control
Low Speed Solenoid Valve
Group 6 Reduction
Outline
Construction
Group 7 Axle
Outline
Differantial
Limited Slip Differential (LSD)
Service Brake
Parking Brake
Final Drive / Axle Shaft
Group 8 Brake Master Cylinder
Outline
Structure
Operation
Group 9 Others
Gear Pump
Propeller Shaft
SECTION 4 OPERATIONALPERFORMANCE TEST
Group 1 Introduction
Operational Performance Tests
Preparation for Performance Tests
Group 2 Standard
Operational Performance Standard Table
Group 3 Engine Test
Engine Speed
Group 4 Wheel Loader Test
Travel Speed
Service Brake Capacity
Service Brake / Parking Brake Wear
Parking Brake Capacity
Bucket Stopper and Bell Crank Stopper Clearance
Hydraulic Cylinder Cycle Time
Dig Function Drift Check
Control Lever Operating Force
Control Lever Stroke
Group 5 Component Test
Main Pump Delivery Pressure
HST Pump Delivery Pressure
HST Charging Pump Delivery Pressure
Main Relief Pressure
HST Pump Relief Pressure
Steering Relief Pressure
Overload Relief Pressure
Group 6 Adjustment
Fan Belt Tension Adjustment
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Introduction
Diagnosing Procedure
How to Operate Service Mode of Monitor
Group 2 Troubleshooting B
Troubleshooting B Procedure (Machine Diagnosis by Using Trouble Symptom)
Engine System Failure List
Engine System Troubleshooting
Vehicle System Failure List
Travel System Troubleshooting
Brake System Troubleshooting
Steering System Troubleshooting
Front Attachment System Troubleshooting
Group 3 Troubleshooting C
Troubleshooting C Procedure (Trouble Shooting for Monitor)
Malfunction of Indicator Light Check System
Malfunction of Coolant Temperature Gauge
Malfunction of Fuel Gauge
Malfunction of Turn Signal Indicators (Left and Right)
Malfunction of Hazard Light Indicator
Malfunction of High Beam Indicator
Malfunction of Work Light Indicator
Malfunction of Preheat Indicator
Malfunction of Air Filter Restriction Indicator
Malfunction of Engine Oil Low Pressure Indicator
Malfunction of Overheat Indicator
Malfunction of Stop Indicator
Malfunction of Service Indicator
Malfunction of Parking Brake Indicator
Malfunction of Clearance Light Indicator
Malfunction of Brake Oil Low Level Indicator
Malfunction of Discharge Warning Indicator
Malfunction of Monitor Display
Malfunction of Ride Control Indicator
Group 4 Electrical System Inspection
Precautions for Inspection and Maintenance
Instructions for Disconnecting Connectors
Fuse Inspection
Fusible Link Inspection
Battery Voltage Check
Alternator Check
Continuity Check
Voltage and Current Measurement
SERVICE MANUAL REVISION REQUEST FORM
THE ATTACHED DIAGRAM LIST