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Hitachi Excavator EX1200-6 Technical Manual (Operational Principle) TO18J-E-00

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Hitachi Excavator EX1200-6 Technical Manual (Operational Principle) TO18J-E-00

Size: 4.07 MB
Format: PDF
Language: English
Brand: Hitachi
Type of Machine: Excavator
Type of Manual: Technical Manual(Operational Principle)
Model: Hitachi EX1200-6 Excavator
Part Number: TO18J-E-00
Publication Date: 2008
Number of Pages: 314 Pages

50 USD

  • Description

Description

Contents:
SECTION 1 GENERAL
Group 1 Specifications
Specifications
Working Range (Backhoe)
Working Range (BE Backhoe)
Working Range (Loading Shovel)
Group 2 Component Layout
Main Component Layout
Pump Device
Control Valve
Utility Box
Inside of Cab
Battery Box
Engine
Radiator
Group 3 Component Specifications
Engine
Engine Accessories
Hydraulic Devices
Electrical Equipment
SECTION 2 SYSTEM
Group 1 Controller
Outline
CAN: Controller Area Network (Network Provided for Machine)
MC: Main Controller
ECM: Engine Control Module
DLU: Data Logging Unit
ICF: Information Controller
Monitor Unit
Group 2 Control System
Outline
Engine Control
Pump Control
Valve Control
Other Controls
Group 3 Hydraulic System
Outline
Pilot Circuit
Main Circuit
Transmission Oil Cooling Circuit
Group 4 Electrical System
Outline
Main Circuit
Electric Power Circuit (Key Switch: OFF)
Accessory Circuit (Key Switch: ACC)
Starting Circuit (Key Switch: START)
Charging Circuit (Key Switch: ON)
Surge Voltage Prevention Circuit
Pilot Shut-Off Circuit (Key Switch: ON)
Security Lock Circuit
Engine Stop Circuit (Key Swith: OFF)
Security Horn Circuit
Work Light Circuit
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Outline
Main Pump, Fan Pump
Regulator for Main Pump
Regulator for Fan Pump
Pumps 1, 2, 3 Control Solenoid Valves,Fan Pump Control Solenoid Valve
Pilot Pump, Pump Transmission OilCirculation Pump
Pump Delivery Pressure Sensor
Pump Regulator Pressure (Flow RateControl Pressure) Sensor
Group 2 Swing Device
Outline
Swing Reduction Gear
Swing Motor
Swing Parking Brake
Valve Unit
Group 3 Control Valve
Outline
Hydraulic Circuit
Main Relief Valve
Overload Relief Valve (With Make-Up Function)
Boom Overload Relief Control Valve
Flow Combiner Valve
Anti-Drift Valve
Regenerative Valve
Flow Rate Control Valve
Group 4 Pilot Valve
Outline
Operation
Shockless Function (Only for Travel Pilot Valve)
Group 5 Travel Device
Outline
Travel Reduction Gear
Travel Motor
Travel Brake Valve
Parking Brake
Group 6 Signal Control Valve
Outline
Pilot Port
Shuttle Valve
Shockless Valve
Arm Flow Rate Control ValveControl Spool,Flow Combiner Valve Control Spool,Swing Parking Brake Release Spool
Group 7 Other (Upperstructure)
Pilot Shut-Off Solenoid Valve
4-Spool Solenoid Valve Unit
Pilot Relief Valve
Shockless Valve
Accumulator
Oil Cooler Fan Motor
Auto-Lubrication System
Distribution Valve
Group 8 Other (Undercarriage)
Swing Bearing
Center Joint
Track Adjuster
SERVICE MANUAL REVISION REQUEST FORM