Date post: | 16-Jul-2015 |
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Automotive |
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Contents
TECHNICAL MANUAL EX12-2 to EX45-2
INTRODUCTION
SECTION 1 GENERAL
Specifications
Specifications
Working Range-Transportation
Engine Specification
Interchangeability
Component Layout
Main Components
Electrical System (Overall System)
Electrical System (Relays)
Electrical System (Monitor and Switches)
SECTION 2 SYSTEM
Hydraulic System
Outline
Main Circuit
Pilot Circuit
SECTION 3 COMPONENOPERATION
Pump Device
Outline
Main Pump
Pilot Pump
Swing Device
Outline
Swing Motor
Parking Brake Changeover Valve
Valve Unit
Swing Reduction Gear
Control Valve
Outline
Hydraulic Circuit
Flow Combiner Valve
Main Relief Valve
Overload Relief Valve
Make-up Valve
Pilot Valve
Outline
Operation
Travel Device
Outline
Travel Motor
Travel Brake Valve
Travel Reduction Gear
Others (Upper structure)
Pilot Shut-Off Valve
Solenoid Valve
Others (Undercarriage)
Swing Bearing
Center Joint
Track Adjuster
SECTION 4 OPERATIONAL PERFORMANCE TEST
Introduction
Operational Performance Test
Preparation for Performance Tests
Engine Test
Engine Speed
Engine Compression Pressure
Valve Clearance
Nozzle Check
Injection Timing
Excavator Test
Travel Speed
Track Revolution Speed
Mist rack Check
Travel Motor Leakage
Swing Speed
Swing Function Drift Check
Swing Motor Leakage
Maximum Swing able Slant Angle
Swing Bearing Play
Hydraulic Cylinder Cycle Time
Dig Function Drift
Control Lever Operating Force
Control Lever and Pedal Stroke
Combined Boom Raise / Swing Function Ch
Component Test
Primary Pilot Pressure
Secondary Pilot Pressure
Main Relief Valve Set Pressure
Overload Relief Valve Set Pressure
Swing Motor Relief Valve Set Pressure
Swing Motor Drainage
Travel Motor Drainage
Standard
Operational Performance Standard
SECTION 5 TROUBLESHOOTING
Diagnosing Procedure
Introduction
Diagnosing Procedure
Troubleshooting A
Troubleshooting A Procedure
Engine system Troubleshooting
Actuator Operating System Troubleshooting
Front Attachment System Troubleshooting
Swing System Troubleshooting
Travel System Troubleshooting
Blade System Troubleshooting
Troubleshooting B
Troubleshooting Procedure
Malfunction of Coolant Temperature Gauge
Malfunction of Fuel Gauge
Malfunction of Alternator Indicator
Malfunction of Engine Oil Pressure Indicator
Malfunction of Overheat Indicator
Malfunction of Fuel Level Indicator
Malfunction of Air Filter Restriction Indicator
Malfunction of Buzzer
Malfunction of Hour Meter
Electrical System Inspection
Precautions For Inspection And Maintenance
Fuse Continuity Test
Batter Voltage Check
Voltage Check
Continuity Check
ATTACHED DIAGRAM LIST
EX12-2 EX15-2 EX18-2 Electrical Circuit (Type A)
EX12-2 EX15-2 EX18-2 Electrical Circuit (Type B)
EX22-2 EX25-2 EX30-2 EX35-2 EX40-2 EX45-2 Electrical Circuit (Type A)
EX22-2 EX25-2 EX30-2 EX35-2 EX40-2 EX45-2 Electrical Circuit (Type B)
WORKSHOP MANUAL EX12-2 to EX45-2
INTRODUCTION
SAFETY
SECTION 1 GENERAL INFORMATION
Precautions for Disassembling and Assembling
Precautions for Disassembling and Assembling
Tightening
Tightening Torque Specifications
Torque Circuit
Piping Joint
SECTION 2 UPPERSTRUCTURE
Canopy
Remove and Install Canopy
Counterweight
Remove and Install Counterweight
Pump Device
Remove and Install Pump Device
Disassemble and Assemble Pump Device
Maintenance Standard
Control Valve
Remove and Install Control Valve
Disassemble and Assemble Control Valve
Swing Device
Remove and Install Swing Device
Disassemble and Assemble Swing Reduction Gear
Disassemble and Assemble Swing Motor
Maintenance Standard
Pilot Valve
Remove and Install pilot Valve
Disassemble and Assemble Pilot Valve
Solenoid Valve
Disassemble and Assemble Travel Speed Change Solenoid Vavle
SECTION 3 UNDERCARRIAGE
Swing Bearing
Remove and Install Swing Bearing
Travel Device
Remove and Install Travel Device
Disassemble and Assemble Travel Device
Maintenance Standards
Center Joint
Remove and Install Center Joint
Disassemble and Assemble Center Joint
Track Adjuster
Remove and Install Track Adjuster
Front Idler
Remove and Install Front Idler
Maintenance Standards
Upper and Lower Rollers
Remove and Install Upper Roller
Remove and Install Lower Roller
Maintenance Standards
Track
Remove and Install Rubber Track
Maintenance Standard
SECTION 4 FRONATTACHMENT
Front Attachment
Remove and Install Front Attachment
Maintain Standards
Cylinders
Remove and Install Cylinders
Disassemble and Assemble Cylinders
SECTION 5 ENGINE EEX25-2 EX30-2 EX35-2 EX40-2 EX45-2
Introduction
Specifications
Performance Curves
Dimensions
M. MECHANISM
F. FEATURE
1. Engine Body
[1] Cylinder Block
[2] Cylinder Head
[3] Crankshaft
[4] Piston and Piston Rings
[5] Connecting Rod
[6] Camshaft
[7] Flywheel
[8] Rocker Arm
2. Lubrication System
[1] General
[2] Oil Pump
[3] Relief Valve
[4] Oil Filter Cartridge
[5] Oil Pressure Switch
3. Cooling System
[1] General
[2] Water Pump
[3] Thermostat
[4] Radiator
[5] Radiator Cap
4. Intake/Exhaust System
[1] Air Cleaner
[2] Muffler
5. Fuel System
[1] General
[2] Injection Pump
[3] Injection Nozzle
[4] Fuel Filter
[5] Governor
[6] Automatic Advance Timer
6. Electrical System
[1] Charging System
S. DISASSEMBLING AND SERVICING
G. GENERAL
[1] Engine Identification
[2] General Precautions
[3] Tightening Torques
[4] Troubleshooting
[5] Servicing Specifications
[6] Maintenance Check List
[7] Check and Maintenance
[8] Special Tools
1. Engine Body
Checking and Adjusting's
Disassembling and Assembling
[1] Draining Water and Oil
[2] External Components
[3] Cylinder Head and Valves
[4] Gear Case
[5] Piston and Connecting Rod
[6] Flywheel and Crankshaft
Servicing
[1] Cylinder Head
[2] Timing Gear and Camshaft
[3] Piston and Connecting Rod
[4] Crankshaft
[5] Cylinder
2. Lubricating System
Checking
Servicing
[1] Oil Pump
3. Cooling System
H Checking
[1] Fat Belt
[2] Radiator
Disassembling and Assembling
4. Fuel System
H Checking and Adjusting
[1] Injection Pump
[2] Injection Nozzle
H Disassembling and Assembling
[1] Injection Pump
[2] Injection Nozzle
5. Electrical System
Checking
[1] Starter
[2] Glow Plug
Disassembling and Assembling
[1] Starter
[2] Alternator
Servicing
[1] Starter
[2] Alternator
Download Links: Hitachi EX25-2 EX30-2 EX35-2 EX40-2 EX45-2 Repair Manual [Excavator]
https://youfixthis.com/hitachi-ex25-2-ex30-2-ex35-2-ex40-2-ex45-2-repair-manual-
excavator
Download Links: Hitachi EX25-2 EX30-2 EX35-2 EX40-2 EX45-2 Repair Manual [Excavator]
https://youfixthis.com/hitachi-ex25-2-ex30-2-ex35-2-ex40-2-ex45-2-repair-manual-
excavator