Technical Manual Hitachi ZX170W-5B Wheeled Excavator | TOLBA-EN-00 (2014.12.24)

Technical Manual Hitachi ZX170W-5B Wheeled Excavator TOLBA-EN-00 (2014.12.24) (Preview)

TOLBA-EN-00
INTRODUCTION
SYMBOL AND ABBREVIATION
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Specifications
Specifications ZX170W-5B (Standard Gauge, Rear Blade)
Specifications ZX170W-5B (Standard Gauge, Rear Outrigger)
Specifications ZX170W-5B (Standard Gauge, Front Blade Rear Outrigger)
Specifications ZX170W-5B (Standard Gauge, Front Outrigger Rear Blade)
Specifications ZX170W-5B (Standard Gauge, Front Outrigger Rear Outrigger)
Working Ranges ZX170W-5B Monoblock Boom
Working Ranges ZX170W-5B 2-Piece Boom
Group 2 Component Layout
Main Component Layout
Swing Shockless Valve
Electrical System (Overview)
Electrical System (Cab)
Electrical System (Switch Panel)
Electrical System (Controllers and Relays)
Electrical System (Around Air Cleaner)
Electrical System (Relays)
Electrical System (Lights)
Engine
Muffler Filter
Pump Device
Around Pump Device
Control Valve
Signal Control Valve
Swing Device
Travel Shockless Valve
Accumulator Charging Valve
Brake Valve
Solenoid Valve Unit
Transmission Changeover Solenoid Valve
Travel Device
Layout of Attachment Spec. Parts
Auxiliary Solenoid Valve Unit (Auxiliary Flow Rate Control)
Breaker Relief Solenoid Valve
Selector Valve
Group 3 Component Specifications
Engine
Engine Accessories
Hydraulic Component
Electrical Component
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
MC 2 Control
Pilot Cut Control
Group 3 ECM System
Outline
Fuel Injection Control
EGR Control
Preheating Control
Alarm Control
Muffler Filter
Operation
Muffler Filter Regenerative Control
Group 4 Hydraulic System
Outline
Pilot Circuit
Steering Circuit
Main Circuit
Breaker/Pulverizer/Crusher Circuit (Optional)
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
Light Circuit
Light Lighting Circuit
Turn Signal Circuit
Hazard Light Circuit
Brake Light Circuit
Beacon Light Circuit (Optional)
Horn Circuit
Forward/Reverse OFF Buzzer Circuit
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Outline

Main Pump
Regulator
Solenoid Valve
Pilot Pump, Steering Pump, Assist Pump
Pump Delivery Pressure Sensor
Pump Control Pressure Sensor
Group 2 Swing Device
Outline
Swing Reduction Gear
Swing Motor
Swing Parking Brake
Valve Unit
Operation
Group 3 Control Valve
Outline
Hydraulic Circuit
Main Relief Valve
Overload Relief Valve (with Make-Up Function)
Regenerative Valve
Anti-Drift Valve
Flow Rate Control Valve
Boom Lower Meter-In Cut Valve
Auxiliary Flow Combiner Valve and Bypass Shut-Out Valve
Group 4 Pilot Valve
Outline
Operation (Front Attachment / Swing Pilot Valves)
Operation (Travel Pilot Valve)
Group 5 Electric Lever
Outline
Operation
Group 6 Transmission
Outline
Transmission
Shift Interlock Control
Shock Reducing Function
Disconnect Device
Group 7 Axle
Front Axle
Differential Gear
Reduction Gear
Steering Cylinder
Rear Axle
Group 8 Travel
Outline
Rotor Section
Regulator
Slow Speed (Large Displacement Angle) Selection
Overload Relief Valve
Travel Brake Valve
Group 9 Signal Control Valve
Outline
Pilot Port
Shuttle Valve
Shockless Valve
Pump 1 Flow Rate Control Valve, Pump 2 Flow Rate Control Valve
Arm 1 Flow Rate Control Valve Control Spool, Bucket Flow Rate Control Valve Control Spool, Swing Parking Brake Release Spool
Group 10 Steering Valve
Outline
Structure
Operation
Overload Relief Valve
Make-Up Valve
Relief Valve
Group 11 Brake Valve
Outline
Operatio
Group 12 Others (Upperstructure)
Pilot Shut-Off Solenoid Valve
Transmission Control Solenoid Valve
Solenoid Valve
Travel Shockless Valve
Swing Shockless Valve
Accumulator Charging Valve, Accumulator Manifold
Hose Rupture Valve
Accumulator
Pilot Relief Valve Unit
Recirculation Valve (OP)
Group 13 Others (Undercarriage)
Swing Bearing
Center Joint
Slip Ring
Cylinder
SERVICE MANUAL REVISION REQUEST FORM