Technical Manual Hitachi ZW80, ZW90 Wheel Loader | TT4FG-E-00

Technical Manual Hitachi ZW80, ZW90 Wheel Loader TT4FG-E-00 (Preview)

TT4FG-E-00
INTRODUCTION
SAFETY
SECTION AND GROUPCONTENTS
SECTION 4 OPERATIONALPERFORMANCE TEST
Group 1 Introduction
Operational Performance Tests
Preparation for Performance Tests
Group 2 Standard
Operational PerformanceStandard 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 ofMonitor
How to Use Error CodeReadout Switch
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 Gear / HST Motor
Control Valve
Group 3 Troubleshooting A
Troubleshooting A Procedure
HST Control Unit Error Code List
HST Control Unit Error Code 1-1
HST Control Unit Error Codes 2-1, 2-2
HST Control Unit Error Code 2-3
HST Control Unit Error Code 2-4
HST Control Unit Error Code 3-1
HST Control Unit Error Code 3-2
HST Control Unit Error Codes3-3, 3-4
HST Control Unit Error Code 3-5
HST Control Unit Error Codes4-1, 4-2
Group 4 Troubleshooting B
Troubleshooting B Procedure(Machine Diagnosis by UsingTrouble 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 5 Troubleshooting C
Troubleshooting C Procedure(Trouble Shooting for Monitor)
Malfunction of Indicator Light CheckSystem
Malfunction of Coolant TemperatureGauge
Malfunction of Fuel Gauge
Malfunction of Turn Signal Indicators(Left and Right)
Malfunction of Hazard Light Indicator
Malfunction of High Beam Indicator
Malfunction of Working Light Indicator
Malfunction of Preheat Indicator
Malfunction of HST Warning Indicator
Malfunction of Air Filter RestrictionIndicator
Malfunction of Engine Oil Low PressureIndicator
Malfunction of Overheat Indicator
Malfunction of Stop Indicator
Malfunction of Service Indicator
Malfunction of Parking Brake Indicator
Malfunction of Clearance LightIndicator
Malfunction of Brake Oil Low LevelIndicator
Malfunction of Discharge Warning Indicator
Malfunction of Monitor Display
Malfunction of Ride Control Indicator
Group 6 Electrical System Inspection
Precautions for Inspection andMaintenance
Instructions for DisconnectingConnectors
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