Hitachi EX33u Workshop Manual Hydraulic Excavator PDF

Description

Factory Workshop Manual in PDF format for Hitachi. Contains detailed illustrations, instructions, and diagrams, step-by-step process for removal and installation, disassembly and assembly, service, inspection, repair, troubleshooting, tuneups.

Features

PDF (Instant Download)
Language: English
Pages: 533
Bookmarks
Searchable Text
Wiring Diagrams
Hydraulic Diagrams

Models

Hitachi
EX33u

Contents

-GENERAL INFORMATION
-PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING
Precautions for Disassembling and Assembling
-TIGHTENING
Tightening Torque Specification
Torque Chart
Piping Joint
-UPPERSTRUCTURE
-CANOPY
Remove and Install Canopy
-COUNTERWEIGHT
Remove and Install Countereight
-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
Disassemble And Assemble Parking Brake Switch Valve
Maintenance Standard
-PILOT VALVE
Remove and Install Front Pilot Valve
Remove and Install Boom Swing Pilot Valve
Disassemble Front Pilot Valve
Assemble Front Pilot Valve
Disassemble Boom Swing Pilot Valve
Assemble Boom Swing Pilot Valve
-SOLENOID VALVE
Disassemble and Assemble
Pilot Control Shut-Off Lever/Travel Speed Change Solenoid Valve
-UNDERCARRIAGE
-SWING BEARING
Remove and Install Swing Bearing
-TRAVEL DEVICE
Remove and Install Travel Device
Disassemble and Assemble Travel Device
Maintenance Standard
-CENTER JOINT
Remove and Install Center Joint
Disassemble Center Joint
Assemble Center Joint
-TRACK ADJUSTER
Remove and Install Track Adjuster
-FRONT IDLER
Remove and Install Front Idler
Maintenance Standard
-UPPER AND LOWER ROLLER
Remove and Install Upper Roller
Remove and Install Lower Roller
Maintenance Standard
-TRACK
Remove and Install Rubber Crawler
Maintenance Standard
-FRONT ATTACHMENT
-FRONT ATTACHMENT
Remove and Install Front Attachment
Maintenance Standard
-CYLINDER
Remove and Install Cylinders
Disassemble Cylinder
Assemble Cylinders
Tightening Torque Specifications
Maintenance Standard
-ENGINE
-SAFETY INSTRUCTIONS
-SPECIFICATIONS
-PERFORMANCE CURVES
-DIMENSIONS
-MECHANISM
-FEATURE
-ENGINE BODY
Cylinder Block
Cylinder Head
Crank Shaft
Piston and Piston Rings
Connecting Rod
Camshaft
Flywheel
Rocker Arm
-LUBRICATING SYSTEM
General
Oil Pump
Relief Valve
Oil Filter Cartridge
Oil Pressure Switch
-COOLING SYSTEM
General
Water Pump
Thermostat
Radiator
Radiator Cap
-INTAKE/EXHAUST SYSTEM
Air Cleaner
Muffler
-FUEL SYSTEM
General
Injection Pump
Injection Nozzle
Fuel Filter
Fuel Lift Pump
Governor
-ELECTRICAL SYSTEM
Charging System
-DISASSEMBLING AND SERVICING
-GENERAL
Engine Identification
General Precautions
Tightening Torques
Troubleshooting
Servicing Specifications
Maintenance Check List
Check and Maintenance
Special Tools
-ENGINE BODY
-CHECKING AND ADJUSTING
-DISASSEMBLING AND ASSEMBLING
Draining Water and Oil
External Components
Cylinder Head and Valves
Gear Case
Piston and Connecting Rod
Flywheel and Crankshaft
-SERVICING
Cylinder Head< Timing Gear and Camshaft Piston and Connecting Rod Crankshaft Cylinder Bore -LUBRICATING SYSTEM -CHECKING SERVICING Oil Pump -COOLING SYSTEM -CHECKING Fan Belt Radiator -DISASSEMBLING AND ASSEMBLING -FUEL SYSTEM -CHECKING AND ADJUSTING Injection Pump Injection Nozzle -DISASSEMBLING AND ASSEMBLING Injection Pump Injection Nozzle -ELECTRICAL SYSTEM -CHECKING Starter Glow Plug Alternator and Regulator -DISASSEMBLING AND ASSEMBLING Starter Alternator -SERVICING Starter Alternator 1.Technical Manual -GENERAL -SPECIFICATION Outline Specifications Working Ranges and Machine Dimensions for Transportation Engine Specifications -INTERCHANGEABILITY Component Interchangeability List -UPPERSTRUCTURE -GENERAL Outline -PUMP DEVICE Outline Main Circuit -SWING DEVICE Outline Swing Reduction Gear Swing Motor Valve Unit Parking Brake -CONTROL VALVE Outline Flow Combiner Valve Main Relief Valve Overload Relief Valve Make-Up Valve -PILOT VALVE Outline Construction Function Operation -OTHERS Solenoid Valve -UNDERCARRIAGE -GENERAL Outline -TRAVEL DEVICE Outline Travel Motor Travel Brake Valve Travel Motor Swash Angle Control Counterbalance Valve Relief Valve Travel Reduction Gear -OTHERS Swing Bearing Center Joint Track Adjuster -ELECTRICAL SYSTEM -GENERAL Electrical Part Layout -HYDRAULIC SYSTEM -GENERAL Outline -OPERATIONAL PERFORMANCE TEST -INTRODUCTION Purpose Preparation for Performance Tests -ENGINE TEST Engine Speed Engine Compression Pressure Valve Clearance Nozzle Check Injection Timing -EXCAVATOR TEST Travel Speed Track Revolution Speed Mistrack Check Travel Motor Leakage Swing Speed Swing Function Drift Check Swing Motor Check Maximum Swingable Slant Angle Swing Bearing Play Hydraulic Cylinder Cycle Time Dig Function Drift Check Control Lever and Pedal Stroke Control Lever and Pedal Operating Force -COMPONENT TEST Pilot Pressure Main Relief Valve Pressure Setting Overload Relief Valve Pressure Setting Swing Motor Relief Valve Pressure Setting -STANDARD Performance Standard Table -TROUBLESHOOTING -DIAGNOSING PROCEDURE Introduction Diagnosing Procedure How to Read the Troubleshooting Flow Charts' Check Battery Voltage -ENGINE CONTROL SYSTEM Engine -MONITOR SYSTEM Monitor Panel Fuse Fails 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 Malfunction of Fast Travel Indicator Electrical Test Precautions Continuity Check Voltage Check -MACHINE OPERATION SYSTEM Actuator System Troubleshooting Front Attachment System Troubleshooting Swing System Troubleshooting Travel System Troubleshooting -EX33U ELECTRICAL CIRCUIT DIAGRAM