Service manual Hitachi ZX350LC-5B, ZX350LCN-5B Hydraulic Excavator | WDDD-EN-00 (2014.02.26)

Hitachi ZX350LC-5B, ZX350LCN-5B Hydraulic Excavator WDDD-EN-00 (2014.02.26) (Preview)

WDDD-EN-00
INTRODUCTION
SYMBOL AND ABBREVIATION
SAFETY
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Precautions for Disassembling and Assembling
Precautions for Disassembling andAssembling
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 Pressure Release Procedure
Hydraulic Circuit Pressure Release Procedure
Group 6 Preparation
Preparation before Inspection andMaintenance
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
Point
Side Cutter
Point
Standard Dimensions for Arm and BucketConnection
Standard Dimensions for Arm and BoomConnection
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 Radiator Assembly
Replacement of Radiator and Intercooler
Replacement of Oil Cooler
Group 6 Hydraulic Oil Tank
Removal and Installation of Hydraulic OilTank
Group 7 Fuel Tank
Removal and Installation of Fuel Tank
Group 8 Pump Device
Removal and Installation of Pump Device
Removal and Installation of Coupling
Disassembly of Pump Device
Assembly of Pump Device
Disassembly of Regulator
Assembly of Regulator
Disassembly of Solenoid Valve
Assembly of Solenoid Valve
Structure of Pilot Pump
Group 9 Control Valve
Removal and Installation of Control Valve
Disassembly of Housing
Assembly of Housing
Disassembly of Control Valve (A Side)
Assembly of Control Valve (A Side)
Disassembly of Control Valve (B Side)
Assembly of Control Valve (B Side)

Group 10 Swing Device
Removal and Installation of Swing Device
Disassembly of Swing Device
Assembly of Swing Device
Disassembly of Swing Motor
Assembly of Swing Motor
Structure of Swing Parking Brake SwitchValve
Group 11 Pilot Valve
Removal and Installation of Pilot Valve(Left)
Removal and Installation of Pilot Valve(Right)
Removal and Installation of Travel PilotValve
Disassembly of Pilot Valves (Right and Left)
Assembly of Pilot Valves (Right and Left)
Disassembly of Travel Pilot Valve
Assembly of Travel Pilot Valve
Group 12 Solenoid Valve
Removal and Installation of Pilot Shut-OffSolenoid Valve

Removal and Installation of 5-Spool SolenoidValve Unit
Removal and Installation of 2-Spool SolenoidValve Unit
Disassembly of Pilot Shut-Off SolenoidValve
Assembly of Pilot Shut-Off Solenoid Valve
Structure of 5-Spool Solenoid Valve Unit
Structure of 2-Spool Solenoid Valve Unit
Group 13 Signal Control Valve
Removal and Installation of Signal ControlValve..
Structure of Signal Control Valve
Group 14 Muffler Filter
Removal and Installation of Muffler Filter
Disassembly of Muffler Filter
Assembly of Muffler Filter
Group 15 Fan Pump
Removal and Installation of Fan Pump
Structure of Fan Pump
Group 16 Fan Valve
Removal and Installation of Fan Valve
Structure of Fan Valve
Structure of Solenoid Valve
Group 17 Fan Motor
Removal And Installation of Fan Motor
Structure of Fan Motor
SECTION 4UNDERCARRIAGE
Group 1 Swing Bearing
Removal and Installation of Swing Bearing
Disassembly of Swing Bearing
Assembly 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 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 and Spindle
Group 4 Track Adjuster
Removal and Installation of Track Adjuster
Disassembly of Front Idler
Assembly of Front Idler
Disassembly of Track Adjuster
Assembly of Track Adjuster
Precautions for Using Floating Seal
Group 5 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 6 Track
Removal and Installation of Track
SECTION 5FRONT 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 PositioningCylinder
Disassembly of Boom, Arm, and BucketCylinders
Assembly of Boom, Arm, and BucketCylinders
Disassembly of Positioning Cylinder
Assembly of Positioning Cylinder
Group 3 Hose Rupture Valve
Removal and Installation of Hose RuptureValve for Boom Cylinder
Removal and Installation of Hose RuptureValve for Arm Cylinder
Removal and Installation of Hose RuptureValve for Positioning Cylinder
Structure of Hose Rupture Valve for BoomCylinder (Right)

Structure of Hose Rupture Valve for BoomCylinder (Left)
Structure of Hose Rupture Valve for ArmCylinder
Structure of Hose Rupture Valve forPositioning Cylinder
SERVICE MANUAL REVISION REQUEST FORM