Hitachi ZX65USB-5B Excavator WAFD90-EN-00 (Preview)
WAFD90-EN-00
INTRODUCTION
SYMBOL AND ABBREVIATION
SAFETY
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Precautions for Disassembling and Assembling
Precautions for Disassembling and Assembling
Group 2 Tightening
Tightening Bolts and Nuts
Piping Joint
Group 3 Painting
Painting
Group 4 Bleeding Air
Bleeding Air from Hydraulic Oil Tank
Bleeding Air from Hydraulic System
Bleeding Air from Fuel System
Bleeding Air from Radiator
Group 5 Releasing Pressure
Releasing Pressure in Hydraulic Circuit
Group 6 Preparation
Preparation before Inspection and Maintenance
SECTION 2 MAINTENANCE STANDARD
Group 1 Upperstructure
Pump Device
Swing Motor
Group 2 Undercarriage
Travel Motor
Sprocket
Front Idler
Upper Roller
Lower Roller
Track
Group 3 Front Attachment
Pin and Bushing
Side Cutter
Standard Dimensions for Arm and Bucket Connection
Cylinder
SECTION 3 UPPERSTRUCTURE
Group 1 Cab
Removal and Installation of Cab
Dimensions of Cab Glass
Group 2 Counterweight
Removal and Installation of Counterweight
Group 5 Pump Device
Removal and Installation of Pump Device
Disassembly of Pump Device
Assembly of Pump Device
Disassembly of Regulator
Assembly of Regulator
Group 6 Control Valve
Removal and Installation of Control Valve
Disassembly and Assembly of Control Valve
Disassembly of Body
Assembly of Body
Disassembly of Unload Section
Assembly of Unload Section
Disassembly of Boom Anti-Drift Valve
Assembly of Boom Anti-Drift Valve
Disassembly of Spool
Assembly of Spool
Disassembly of Shuttle Valve and Pressure Compensator
Assembly of Shuttle Valve and Pressure Compensator
Group 7 Swing Device
Removal and Installation of Swing Device
Disassembly of Swing Device
Assembly of Swing Device
Disassembly of Swing Motor
Assembly of Swing Motor
Group 8 Pilot Valve
Removal and Installation of Pilot Valve (Left)
Removal and Installation of Pilot Valve (Right)
Removal and Installation of Travel Pilot Valve
Removal and Installation of Blade Pilot Valve
Removal and Installation of Boom Swing Pilot Valve
Disassembly of Pilot Valves (Right and Left)
Assembly of Pilot Valves (Right and Left)
Disassembly of Travel Pilot Valve
Assembly of Travel Pilot Valve
Disassembly of Pilot Valves for Boom Swing, Blade, Auxiliary (Optional)
Assembly of Pilot Valves for Boom Swing, Blade, Auxiliary (Optional)
Disassembly of Blade Pilot Valve (Optional)
Assembly of Blade Pilot Valve (Optional)
Group 9 Solenoid Valve
Removal and Installation of 2-Spool Solenoid Valve
Disassembly of 2-Spool Solenoid Valve
Assembly of 2-Spool Solenoid Valve
Removal and Installation of LS Cut Solenoid Valve
Disassembly of LS Cut Solenoid Valve
Assembly of LS Cut Solenoid Valve
Group 10 Revolution Sensing Valve
Removal and Installation of Revolution Sensing Valve
Disassembly of Revolution Sensing Valve
Assembly of Revolution Sensing Valve
Group 11 Auxiliary Flow Rate Selector Valve
Removal and Installation of Auxiliary Flow Rate Selector Valve (OP)
Disassembly of Auxiliary Flow Rate Selector Valve (OP)
Assembly of Auxiliary Flow Rate Selector Valve (OP)
Group 12 Muffler Filter
Removal and Installation of Muffler Filter
Disassembly of Muffler Filter
Assembly of Muffler Filter
SECTION 4 UNDERCARRIAGE
Group 1 Swing Bearing
Removal and Installation of Swing Bearing
Group 2 Travel Device
Removal and Installation of Travel Device
Disassembly of Travel Device
Assembly of Travel Device
Disassembly of Brake Valve
Assembly of Brake Valve
Precautions for Using Floating Seal
Group 3 Center Joint
Removal and Installation of Center Joint
Disassembly of Center Joint
Assembly of Center Joint
Group 4 Track Adjuster
Removal and Installation of Track Adjuster
Disassembly of Track Adjuster
Assembly of Track Adjuster
Group 5 Front Idler
Removal and Installation of Front Idler
Disassembly of Front Idler
Assembly of Front Idler
Group 6 Upper and Lower Rollers
Removal and Installation of Upper Roller
Removal and Installation of Lower Roller
Group 7 Track
Removal and Installation of Rubber Crawler
Removal and Installation of Steel Crawler
Group 8 Blade Cylinder
Removal and Installation of Blade Cylinder
Disassembly of Blade Cylinder
Assembly of Blade Cylinder
SECTION 5 FRONT ATTACHMENT
Group 1 Front Attachment
Removal and Installation of Front Attachment
Group 2 Cylinder
Removal and Installation of Boom Cylinder
Removal and Installation of Arm Cylinder
Removal and Installation of Bucket Cylinder
Removal and Installation of Boom Swing Cylinder
Disassembly of Boom Cylinder
Assembly of Boom Cylinder
Disassembly of Arm Cylinder
Assembly of Arm Cylinder
Disassembly of Bucket, Boom Swing Cylinders
Assembly of Bucket, Boom Swing Cylinders
SERVICE MANUAL REVISION REQUEST FORM
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