Technical Manual Hitachi ZX135US-5B Hydraulic Excavator | TODAE-EN-00

Technical Manual Hitachi ZX135US-5B Hydraulic Excavator TODAE-EN-00 (Preview)

TODAE-EN-00_ZX135US-5B
INTRODUCTION
SYMBOL AND ABBREVIATION
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Specifications
Specifications
Working Ranges (Grouser shoe)
Group 2 Component Layout
Main Component
Electrical System (Overview)
Electrical System (Rear Tray)
Electrical System (Switch Panel)
Electrical System (Around Air Cleaner)
Electrical System (Relays)
Engine
Muffler Filter
Pump Device
Pump Device with Blade Pump (Option) Attached
Around Pump Device
Control Valve
Signal Control Valve
Swing Device
Travel Device
4-Spool Solenoid Valve Unit
2-Spool Solenoid Valve Unit (Muffler Filter Regeneration Control)
Machines with the Blade Attached
Group 3 Component Specifications
Engine
Engine Accessories
Hydraulic Component
Electrical Component
Optional Parts
SECTION 2 SYSTEM
Group 1 Controller
Outline
CAN Circuit
Group 2 Control System
Outline
Engine Control
Pump Control
Valve Control (Standard)
Valve Control (Option)
Other Control
Group 3 ECM System
Outline
Fuel Injection Control
Fuel Injection Amount Correction Control
EGR Control
Preheating Control
Alarm Control
Muffler Filter
Operation
Muffler Filter Regenerative Control
Group 4 Hydraulic System
Outline
Pilot Circuit
Main Circuit
Outline (2-Piece Boom)
Pilot Circuit (2-Piece Boom)
Main Circuit (2-Piece Boom)
Group 5 Electrical System
Outline
Main Circuit
Electric Power Circuit (Key Switch: OFF)
CAN Circuit
Accessory Circuit
Starting Circuit (Key Switch: START)
Charging Circuit (Key Switch: ON)
Surge Voltage Prevention Circuit
Pilot Shut-Off Circuit (Key switch: ON)
Auto Shut-Down Circuit/Automatic Engine Stop Circuit at Low Temperature
Engine Stop Circuit
Monitor Circuit
Security Circuit
Radio Circuit
Air Conditioner Circuit
Accessory Circuit
Work Light Circuit
Wiper/Washer Circuit
Cab Light Circuit
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Outline
Main Pump
Regulator
Solenoid Valve
Pilot Pump, Blade Pump (Optional)
Pump Delivery Pressure Sensor
Pump Control Pressure Sensor
Group 2 Swing Device
Outline
Swing Reduction Gear
Swing Motor
Swing Parking Brake
Valve Unit
Group 3 Control Valve
Outline
Hydraulic Circuit
Flow Combiner Valve
Main Relief Valve
Overload Relief Valve (with Make-Up Function)
Regenerative Valve
Anti-Drift Valve
Flow Rate Control Valve
Digging Regenerative Valve
Boom Lower Meter-In Cut Valve
Auxiliary Flow Combiner Valve and Bypass Shut-Out Valve
Blade Control Valve (Optional), Positioning Control Valve (Optional)
2-Piece Boom (Optional)
Blade Circuit (Optional)
Group 4 Pilot Valve
Outline
Operation (Front Attachment / Swing and Travel Pilot Valves)
Operation (Auxiliary / Blade / Positioning Pilot Valve)
Shockless Function (Only for Travel Pilot Valve)
Group 5 Travel Device
Outline
Travel Reduction Gear
Travel Motor
Parking Brake
Travel Brake Valve
Overload Relief Valve
Travel Mode Control
Group 6 Signal Control Valve
Outline
Pilot Port
Shuttle Valve
Shockless Valve
Pump 1 and 2 Flow Rate Control Valve
Bucket Flow Rate Control Valve Control Spool, Flow Combiner Valve Control Spool, Swing Parking Brake Release Spool, Arm 1 Flow Rate Control Valve Control Spool
Group 7 Others (Upperstructure)
Pilot Shut-Off Solenoid Valve
Solenoid Valve
Hose Rupture Valve
Pilot Relief Valve
Recirculation Valve (Option)
Group 8 Others (Undercarriage)
Swing Bearing
Center Joint
Track Adjuster
SERVICE MANUAL REVISION REQUEST FORM