Hitachi ZX27-3 Excavator W1YC-E-00 (Preview)
W1YC-E-00
INTRODUCTION
SAFETY
SECTION AND GROUPCONTENTS
SECTION 1 GENERAL
Group 1 Precautions for Disassembling and Assembling
Precautions for Disassembling and Assembling
Maintenance Standard Terminology
Group 2 Tightening
Tightening Torque Specifications
Torque Chart
Piping Joint
Periodic Replacement of Parts
Group 3 Painting
Painting
Group 4 Bleeding Air from Hydraulic Oil Tank
Bleed Air from Hydraulic Oil Tank
SECTION 2 UPPERSTRUCTURE
Group 1 Cab
Removal and Installation of Cab
Dimensions of Cab Glass
Group 2 Counterweight
Removal and Installation of Counterweight
Group 3 Pump Devic
Removal and Installation of Pump Device
Disassembly of Pump Device
Assembly of Pump Device
Maintenance Standard
Group 4 Control Valve
Removal and Installation of Control Valve
Disassembly and Assembly of Control Valve
Disassembly and Assembly of Body
Disassembly of Boom Anti-Drift Valve
Assembly of Boom Anti-Drift Valve
Disassembly and Assembly of Spool
Disassembly and Assembly of Check Valve
Group 5 Swing Device
Removal and Installation of Swing Device
Disassembly of Swing Device
Assembly of Swing Device
Disassembly of Swing Motor
Assembly of Swing Motor
Maintenance Standard
Group 6 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(Left and Right)
Assembly of Pilot Valves(Left and Right)
Disassembly of Travel Pilot Valve
Assembly of Travel Pilot Valve
Disassembly of Pilot Valves for Boom Swing, Blade, and Auxiliary
Assembly of Pilot Valves for Boom Swing, Blade, and Auxiliary
Group 7 Solenoid Valve
Removal and Installation of Solenoid Valve
Disassembly of 2-Spool Solenoid Valve
Assembly of 2-Spool Solenoid Valve
SECTION 3 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 Travel Motor
Assembly of Travel Motor
Disassembly and Assembly of Brake Valve
Maintenance Standard
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
Maintenance Standard
Group 6 Upper and Lower Roller
Removal and Installation of Upper Roller
Removal and Installation of Lower Roller
Disassembly and Assembly of Lower Roller
Maintenance Standard
Group 7 Track
Removal and Installation of Track
Maintenance Standard
SECTION 4 ATTACHMENT
Group 1 Front Attachment
Hydraulic Circuit Pressure Release Procedure
Removal and Installation of Front Attachment
Maintenance Standard
Standard Dimensions for Arm and Bucket Connection
Group 2 Cylinder
Removal and Installation of Cylinder
Disassembly of Boom Cylinder
Assembly of Boom Cylinder
Disassembly of Arm Cylinder
Assembly of Arm Cylinder
Disassembly of Bucket and Boom Swing Cylinders
Assembly of Bucket and Boom Swing Cylinders
Disassembly of Blade Cylinder
Assembly of Blade Cylinder
Maintenance Standard
SERVICE MANUAL REVISION REQUEST FORM
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