Hitachi ZX75US-5A, ZX85US-5A Excavator WDEB-EN-00 (Preview)
WDEB-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
Main Pumps 1, 2
Main Pump 3
Swing Motor
Group 2 Undercarriage
Travel Motor
Parking Brake
Sprocket
Front Idler
Upper Roller
Lower Roller
Track
Group 3 Front Attachment
Pin and Bushing
Side Cutter (3053595, 3053596)
Point (4135496)
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 3 Main Frame
Removal and Installation of Main Frame
Group 4 Engine
Removal and Installation of Engine
Group 5 Pump Device
Removal and Installation of Pump Device
Disassembly of Main Pump 3
Assembly of Main Pump 3
Disassembly of Main Pumps 1, 2
Assembly of Main Pumps 1, 2
Structure of Gear Pump Assembly
Group 6 Control Valve
Removal and Installation of Control Valve
Disassembly of Control Valve
Assembly of Control Valve
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
Disassembly of Valve Block
Assembly of Valve Block
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
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 Blade (Optional) and Auxiliary (Optional) Pilot Valves
Assembly of Blade (Optional) and Auxiliary (Optional) Pilot Valves
Group 9 Solenoid Valve
Removal and Installation of 2-Spool Solenoid Valve Unit
Structure of 2-Spool Solenoid Valve Unit
Removal and Installation of Pilot Shut-Off Solenoid Valve
Structure of Pilot Shut-Off Solenoid Valve
Group 10 Shockless Valve
Removal and Installation of Shockless Valve
Structure of Shockless Valve
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 Reduction Gear
Assembly of Travel Reduction Gear
Disassembly of Travel Motor
Assembly of Travel Motor
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
Replacement of Body
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
Precautions for Using Floating Seal
Group 6 Upper and Lower Rollers
Removal and Installation of Upper Roller
Removal and Installation of Lower Roller
Disassembly of Lower Roller
Assembly of Lower Roller
Precautions for Using Floating Seal
Group 7 Track
Removal and Installation of Track
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
Disassembly of Boom, Arm, and Bucket Cylinders
Assembly of Boom, Arm, and Bucket Cylinders
SERVICE MANUAL REVISION REQUEST FORM
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